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. 2021 Dec 4;21:676. doi: 10.1186/s12877-021-02583-2

Table 2.

Factors associated with, and, determinants of malnutrition

First Author, Year, Country, Sample size, Age (mean (SD)) Sex (male %), Setting, Rate of Ageing Outcome (assessment method) Domain: Determinants Assessed FU time Statistical Analysis Key Results*
[OR (95% CI) p-value]
Cross-sectional studies
Chatindiara [49], 2019, New Zealand, N = 257, median 79 (IQR 7) 46.7, CD, U MN risk (MNA-SF)

Demographic: age, marital status, ethnicity, sex, education

Social: Living situation, income source Food Intake: dysphagia risk (EAT-10), dental status Psychological: cognitive impairment (MoCA)

Physical function: ADLs, handgrip strength, gait speed, physical performance (FTSTS)

Disease-related: inflammation (CRP), number of comorbidities (> 5), polypharmacy (> 5 drugs), nutrition supplements use

N/A

UV LR

MV LR

age (continuous) [1.09 (1.01–1.17) p = 0.033]; age < 85y [0.30 (0.1–0.79) p = 0.015]; normal swallowing [0.29 (0.09–0.97) p = 0.045]; healthy physical performance [0.22 (0.07–0.71) p = 0.012]; BMI [0.82 (0.74–0.91) p < 0.001]; fat mass [0.86 (0.78–0.94) p = 0.002]; % body fat [0.81 (0.72–0.90) p < 0.001]; FFMI [0.51 (0.34–0.77) p = 0.001]
Craven [23], 2018, Australia, N = 77, 73.3 (5.1) 60.0, CD, S MN risk (SCREEN 2)

Demographic: age, sex, relationship status, education Food Intake: SR healthiness of diet Social: living arrangement, home care services

Disease-related: SR health, short form health survey (SF-12)- calculated PCS and MCS

N/A Multiple regression PCS (ẞ = 0.290, Seẞ = 0.065, p < 0.05); MCS (ẞ = 0.377, Seẞ = 0.073, p < 0.05)
Maseda [45], 2018, Spain, N = 749, 75.8 (7.2) 39.4%, CD attending SC, U-S MN risk (MNA-SF)

Demographic: age, sex, education, marital status

Social: social support (OARS), living situation, loneliness

Physical function: IADL

Disease-related: QOL (WHOQOL-BREF)

N/A Multiple LR (forward stepwise)

Total: female sex [0.6 (0.38–0.95) p = 0.028], social resources- total impairment [0.257 (0.08–0.85) p = 0.025], low physical health [1.676 (1.09–2.57) p = 0.018]

Males: single status [0.08 (0.02–0.34) p < 0.001], divorced/separated status [0.096 (0.02–0.39) p < 0.001], poor health satisfaction [4.31 (1.82–10.25) p < 0.001]

Females: social resources- mild impairment [0.51 (0.28–0.96) p = 0.036]

Ganhão-Arranhado [50], 2018, Portugal, N = 337, 78.4 (7.05) 37.7%, CD attending SC, N/A MN, MN risk (MNA)

Demographic: age group, sex, marital status Social: income, SC attendance, motives for SC attendance, time of SC attendance, social risk, social net, social relationships Food Intake: food security Lifestyle: alcohol consumption, smoking status

Disease-related: SR health, SR health conditions (respiratory, liver and rheumatic diseases, angina, MI, high BP, high blood cholesterol, stroke, DM, cancer, depression)

Psychological: psychological stress

N/A UV regression, multinomial regression MN risk: cerebrovascular accident [4.04 (1.19–13.74) P < 0.05]; acute MI [2.12 (0.95–4.72) p < 0.05]; better perceived health status [− 0.54 (0.37–0.79) p < 0.05]; attending SC <5y [− 0.41 (0.16–1.04) p < 0.05]; loneliness [2.01 (1.06–3.81) p < 0.05] MN: food insecurity [1.73 (1.20–2.48) p < 0.05]; female [7.87 (1.33–46.72) p < 0.05]; age 74-85y [− 0.10 (0.02–0.57) p < 0.05]; depression [37.41 (2.06–679.55) p < 0.05]; DM [− 0.105 (0.01–1.06) p < 0.05]
Fjell [51], 2018, Norway, N = 166, 78.7 (3.3) 42%, CD, N/A MN risk (MNA-SF)

Demographic: age, sex, education, marital status

Social: social support (OSLO 3-SSS) Lifestyle: exercise, alcohol consumption, smoking status

Other: vision, hearing, sleep problems Disease-related: SR pain, hypertension, hypercholesterolemia, eye disease, arthrosis, cancer

Psychological: depression

N/A MV LR poor SR health [5.77 (2.04–16.29) p = 0.001]
Grammatikopoulou [52], 2018, Greece, N = 207, 72.4 (8.5) 43.5%, CD, N/A MN risk (MNA)

Demographic: age, education, marital status, waist circumference, BMI Social: income, receiving financial assistance,

Lifestyle: smoking status

Food intake: appetite (CNAQ), food security (HFIAS), dietary variety (HDDS), diet quality (MEDAS) Disease-related: catabolic disease (cancer/renal/lung), cardiometabolic disease (CVD, hypertension, angina, arrhythmia, hyperuricemia, microalbuminuria, retinopathy, neuropathy, or history of acute MI, stroke or coronary by-pass surgery)

N/A

UV LR

MV LR

smoking [2.35 (1.09–5.08) p = 0.030]; not being married [2.10 (1.06–4.15) p = 0.033]; at risk for 5% WL [7.86 (4.07–15.18) p < 0.001]; food insecure [2.63 (1.21–5.75) p = 0.015]
Bakker [53], 2018, The Netherlands, N = 1325, median (IQR) 80 (77–84) 41.4%, CD attending GP, U-A MN (BMI < 20 kg/m2 and/or unintentional WL > 10% in 6 m and/or unintentional WL > 5% in 1 m)

Demographic: age, sex, marital status, education, income

Social: living situation

Food intake: oral status, irregular dentist visits, oral hygiene, chewing problems, eating problems, speech problems, dental pain, dry mouth, insecurity with oral status, satisfaction with oral status Physical function: frailty (GFI), risk profile (frail, complex care needs, robust), ADL (Katz-15)

Disease-related: number of chronic conditions, polypharmacy (> 4 drugs), complex care (IM-E-SA), QOL (EQ-5D, EQ-VAS)

N/A

UV LR

MV LR

health related QOL [0.97 (0.95–0.995) p = 0.015]
Jung [54], 2017, America, N = 171, 77.5 (8.2) 29.8%, Rural CD excluding mild- moderate dementia (SPMSQ), N/A MN risk (MNA-SF)

Demographic: age, sex, race or ethnicity, marital status, education

Social: annual income, loneliness (UCLA loneliness scale)

Psychological: depression (GDS)

Disease-related: health status (SHPS),

Physical function: ADL, IADL (Self-Care Capacity Scale)

N/A SEM

parameter estimate (standard error):

depression −0.30 (0.10) p = 0.001

van der Pols-Vijlbrief [40], 2016, The Netherlands, N = 300, 81.7 (7.6) 31.7%, CD, receiving home-care, A MN risk (SNAQ65+)

Demographic: sex, age, education level, marital status

Social: living situation, social network (LSNS-6), social support, monthly income, financial ability to buy food (Determine your health checklist)

Food intake: eating alone, SR oral health, chewing surface (full vs partial/none) appetite (SNAQapp), taste/smell loss, adequate snacks per day (> 3)

Lifestyle: smoking status, alcohol consumption, PA

Disease-related: number chronic diseases (>  2), polypharmacy (> 5 drugs), hospitalisation in past 6 m, SR health, pain (NHP), nausea, intestinal problems, fatigue

Psychological: cognitive decline (IQCODE), depression (CES-D-10)

Physical functioning: ADL (BI), IADL, mobility (bed/chair bound, able to move around the house but unable to leave house independently, able to leave house independently, difficulty climbing stairs, ability to walk 100 m), falls

Other: visual function, hearing function

N/A MV LR unable to go outside [5.39 (2.46–11.81) p < 0.001], intestinal problems [2.88 (1.57–5.28) p = 0.001], smoking [2.56 (1.37–4.77) p = 0.003], osteoporosis [2.46 (1.27–4.76) p = 0.007], fewer than 3 snacks per day [2.61 (1.37–4.97) p = 0.003], ADL dependency [1.21 (1.09–1.35) p = 0.001], physical inactivity [2.01 (1.13–3.59) p = 0.018], nausea [2.50 (1.14–5.48) p = 0.022], cancer [2.84 (1.12–7.21) p = 0.028]

Lahmann [44], 2016, Germany,

N = 878, 78.5 (12.2)

37.1%, CD home care recipients, U-A MN risk (MUST, MNA-SF)

Demographic: age, sex

Social: social living status

Disease-related: duration receiving home care

Physical functioning: functional capacity (BI)

N/A LR mental overload [8.1 (2.2–30.2) p < 0.01]; loss of appetite [3.6 (1.8–7.3) p < 0.01]; needs help with feeding [5.0 (2.3–11.2) p < 0.01]; dependent on feeding [1.9 (1.2–2.8) p < 0.01]
Maseda [55], 2016, Spain, N = 749, 75.8 (7.2) 39.4%, CD attending SC, N/A MN risk (MNA-SF)

Demographic: sex, age, education level, BMI ≥25 kg/m2

Disease-related: co-morbidity (CCI), SR health, polypharmacy (> 5 drugs) Psychological: cognitive impairment (MMSE), depressive symptoms (GDS-SF) Physical functioning: frailty status

N/A muliple LR (forward stepwise likelihood ratio)

Total: BMI > 25 kg/m2 [2.15 (1.28–3.61) p = 0.004]; polypharmacy [0.43 (0.28–0.68) p < 0.001]; poor SR health [0.32 (0.12–0.86) p = 0.023]; depressive symptoms [0.45 (0.23–0.86) p = 0.015]; pre-frail/frail [0.51 (0.28–0.93) p = 0.027]

Females: polypharmacy [0.52 (0.31–0.88) p = 0.014]; poor SR health [0.24 (0.09–0.66) p = 0.005]

Males: BMI > 25 kg/m2 [4.35 (1.61–11.75) p = 0.004]; polypharmacy [0.26 (0.11–0.62) p = 0.002]; depressive symptoms [0.10 (0.04–0.31) p < 0.001]

Krzyminska-Siemaszko [38], 2016, Poland, N = 3751, 77.4 (8.0) 52.8%, CD excluding cognitively impaired (MMSE), U-A MN risk (MNA-SF)

Psychological: depression (GDS), cognitive impairment (MMSE)

Disease-related: polypharmacy (> 5 drugs), number chronic diseases (> 4), anaemia, peptic ulcer, stroke, Parkinson’s, cancer, pain

Food intake: edentulism

N/A Multiple LR

Total: female sex [1.72 (1.45–2.04) p < 0.001], age [2.16 (1.80–2.58) p < 0.001], depression [11.52 (9.24–14.38) p < 0.001], dementia [1.52 (1.20–1.93) p < 0.001], multi-morbidity [1.27 (1.04–1.57) p = 0.02], anaemia [1.80 (1.41–2.29) p < 0.001], total edentulism [1.26 (1.06–1.49) p = 0.009]

Males: age [1.78 (1.40–2.27) p < 0.001], depression [12.80 (9.40–17.43) p < 0.001], dementia [1.58 (1.15–2.18) p = 0.005], anaemia [1.81(1.34–2.44) p < 0.001], total edentulism [1.31(1.04–1.66) p = 0.02]

Females: age [2.77 (2.11–3.61) p < 0.001], depression [10.80 (7.85–14.87) p < 0.001], multi-morbidity [1.35 (1.01–1.79) p = 0.04], anaemia [1.99 (1.30–3.07) p = 0.002]

Krzymińska-Siemaszko [56], 2015, Poland, N = 4482, 78.6 (8.5) 52.2%, CD, cognitively well (MMSE), N/A MN risk (MNA-SF)

Demographic: age, sex, marital status, education

Social: living situation

N/A

UV LR

MV LR

female [1.51 (1.19–1.92) p < 0.01]; every 10 y of life [2.18 (1.9–2.51) p < 0.01]; not married [1.50 (1.16–1.95) p < 0.01]

Gunduz [42], 2015,

Turkey,

N = 1030, 71.7 (7)

45.05%

CD, outpatients, cognitively well (MMSE > 17), U-S

MN (MNA)

Demographic: age, sex, marital status, education, no children

Physical functioning: ADL, IADL

Psychological: depression (GDS)

Disease-related: comorbidities, polypharmacy (≥5 drugs)

N/A MV LR age [(1.007–1.056) p = 0.012]; low BMI [(0.702–0.796) p < 0.001]; low education level [(0.359–0.897) p = 0.015]; depression score [(1.104–3.051); p = 0.02]; > 4 comorbidities [3.5 (2.30–5.45) p < 0.001]
Bailly [57], 2015, France, N = 464, 77.41 (7.48) 31.3%, CD, N/A MN risk (MNA)

Demographic: age

Social: living alone, financial satisfaction Food intake: pleasure of eating (HTAQ) Psychological: depressive symptoms (GDS) Disease-related: SR health Physical functioning: IADL

N/A SEM

Males: depression β = − 0.38; greater pleasure eating β = 0.20; higher SR health β = 0.32; greater IADL score β = 0.16

Females: age β = − 0.13; depression β = − 0.33; greater pleasure eating 0.19; higher SR health β = 0.25; greater IADL score β = 0.32

Wham [58], 2015, New Zealand, Maori: N = 421, 82.8 (2.6) Non-maori: N = 516, 84.6 (0.5) 33%, CD, N/A MN risk (SCREEN 2)

Demographic: age, sex

Lifestyle: PA (PASE), smoking status, alcohol consumption Social: residential care, living situation, life satisfaction, difficulty getting to shops, drives a car, occupation, deprivation index, income

Physical functioning: HGS, physical function (NEADL)

Disease-related: health related QOL (SF-12), stroke, MI

Psychological: cognitive function (3MS), depression (GDS-15)

N/A MV LR

Maori: age [0.89 (0.79–0.99) p = 0.04]; primary education [3.41 (1.35–8.62) p = 0.03]; living alone (vs with others) [2.85 (1.34–6.05) p < 0.001]; living alone (vs with spouse) [4.10 (1.90–8.84) p < 0.001]; depression [1.30 (1.06–1.60) p = 0.01]

Non-Maori: male [0.49 (0.30–0.81) p = 0.005]; living alone (vs with spouse) [2.41 (1.42–4.08) p = 0.002]; SF-12 PCS [0.98 (0.96–0.99) p = 0.02]; depression [1.24 (1.08–1.43) p = 0.002]

Wham, 2015 [59], New Zealand, N = 67, 77.0 (1.5) 44%, CD Maori, N/A MN risk (SCREEN 2)

Demographic: sex, age, education, marital status

Social: living situation, SR standard of living, importance of traditional food, importance of spirituality, use of traditional Māori as first language, living in large extended family area Disease-related: use of Māori medicine and healing

Psychological: depression (GDS-15)

Physical functioning: physical disability (NEADL)

N/A MV linear regression language and culture being a little to moderately important [ẞ = 6.70, p < 0.05]; availability of traditional food [ẞ = − 5.23, p < 0.01]; waist-to-hip ratio [ẞ = 20.17, p = 0.01]; depressive symptoms [ẞ = − 0.60, p = 0.02]
Toussaint [60], 2015, The Netherlands, N = 345, 67.1 (6.0) CD; N = 138, 80.9 (7.6) outpatients 46.4%, CD; 34.1%, outpatients, N/A MN risk (MNA-SF)

Demographic: age, sex

Food intake: olfactory function

Lifestyle: smoking status

Psychological: cognitive function (CD: MMSE; outpatients: DemTect), depressive symptoms (GDS) Disease-related: comorbidities (CCI), polypharmacy (> 5 drugs)

N/A Linear regression CD: female [0.259 (0.031–0.488) p = 0.026] Outpatients: MMSE [ẞ (95% CI) p-value] [0.208 (0.059–0.357) p = 0.007]; GDS [− 0.378 (− 0.491- − 0.265) p < 0.001]
Rullier [61], 2014, France, N = 56, 70.9 (11.0) 27%, CD caregivers, N/A MN risk (MNA)

Demographic: age, sex, education, caregiver relationship with patient

Social: living arrangements

Psychological: Trait anxiety (STAI Y-B), depression (CES-d), caregiver burden (Zarit Burden Interview)

Physical functioning: functional status (AGGIR)

N/A UV linear regression, multiple linear regression functional dependency [ẞ = − 0.336, (1.57–6.48) p = 0.002]; depressive symptoms [ẞ = − 0.365, (− 0.199- − 0.054) p = 0.001]; more apathetic patient with dementia [ẞ = − 0.342 (− 0.606- − 0.158) p = 0.001]

Torres [39], 2014, France,

Rural: N = 692, 75.5 (6.2)

Urban: N = 8691, 74.1 (5.5)

62% (rural), 39.7% (urban), CD, U MN risk (proxy MNA)

Demographic: age, sex, education, marital status

Social: income

Physical function: ADL (Katz ADL scale)

Disease-related: polypharmacy (> 3 drugs)

N/A MV LR

Rural: BMI < 21 kg/m2 [23.09 (5.1–104.46) p < 0.01], BMI 25–30 kg/m2 [0.41 (0.18–0.94) p < 0.01], BMI > 30 kg/m2 [0.16 (0.05–0.50) p < 0.01], dementia [3.04 (1.08–8.57) p = 0.04], polypharmacy [10.4 (2.59–4.20) p < 0.01]

Urban: females [1.46 (1.22–1.75) p < 0.001], widowed status [1.36 (1.12–1.66) p < 0.01], BMI < 21 kg/m2 [9.11 (7.39–11.23) p < 0.001], BMI 25–30 kg/m2 [0.74 (0.61–0.89) p < 0.001], depression [20.67 (17.46–24.49) p < 0.001], dementia [3.42 (2.22–2.58) p < 0.001], loss of ADL [6.94 (3.91–12.31) p < 0.001], polypharmacy [3.52 (2.95–4.20) p < 0.001]

Wham [41], 2014,

New Zealand, N = 3893, > 65y, Maori: >75y

46%, CD, U-S MN risk (ANSI)

Demographic: age, sex, marital status, ethnicity, education

Social: WHOQOL- social, living situation

Physical functioning: ADLs (NEADL)

Psychological: depression (GDS)

Disease-related: chronic diseases, polypharmacy (> 3 drugs)

N/A

UV LR

MV LR

female [1.41 (1.11–1.80) p = 0.006]; being Māori/other ethnicities vs European p = 0.002; not married p = 0.003; higher social health related QOL [0.94 (0.89–1.00) p = 0.036]; living with others related to low risk p < 0.0001; higher functional status [0.94 (0.90–0.99) p = 0.0182]; more depressive symptoms [1.10 (1.02–1.19)]; polypharmacy [1.34 (1.27–1.41) p < 0.0001]
Akin [62], 2014, Turkey, N = 845, 71.6 (5.6) 53.2%, urban CD, N/A MN risk (MNA)

Demographic: sex, age, weight, BMI, WC, MUAC, education, marital status

Social: living situation, income Physical functioning: 4 min walking speed, fear of falling, IADL, ADL, urinary incontinence

Disease-related: SR chronic diseases (diabetes, hypertension, CHD, cerebrovascular disease, renal failure) Psychological: cognitive impairment (MMSE), depression (GDS)

N/A

UV LR

MV LR

depressive mood [4.18 (2.85–6.11) p < 0.001]; diabetes [1.60 (1.09–2.35) p = 0.017]; moderate income [1.65 (1.08–2.49) p = 0.019]; low income [2.36 (1.48–3.77) p < 0.001]; living alone [2.49 (1.56–3.97) p < 0.001]; WC [0.98 (0.96–0.99) p = 0.015]; MUAC [0.93 (0.83–0.99) p = 0.014]; 4 min walking speed [1.16 (1.07–1.25) p < 0.001]

Geurden [63], 2014, Belgium,

N = 100, 75.2 (17)

22%, urban CD receiving homecare nursing, U-A MN risk [64]

Demographic: age, sex

Food intake: eating problem, swallowing problem, loss of appetite, concern about eating problem/loss of appetite, GP informed about eating problem/loss of appetite, nutrition intervention prescribed, one warm meal every day Physical functioning: independent shopping, independent cooking, use of informal care, use of professional homecare

Disease-related: hospitalisation in last 3 m, days since last GP visit

N/A MV LR loss of appetite p < 0.001
Westergren [65], 2014, Sweden, N = 465, 78.5 (3.7) 46.5%, CD without cognitive deficits, N/A MN risk (SCREEN 2)

Social: need for help with groceries, need for help with cooking

Physical functioning: falls (Downton falls risk index)

Disease-related: SR health Psychological: SR life satisfaction, anxiety/worries, low-spiritedness, fatigue/tiredness, sleeping well

N/A stepwise ordinal regression Linear (backward) regression living alone (females) [4.63 (2.85–7.52) p < 0.001]; living alone (males) [6.23 (3.35–11.59) p < 0.001]; age [0.86 (0.81–0.91) p < 0.001]; quite good SR health [2.03 (1.27–3.27) p = 0.003]; quite/very poor SR health [5.01 (2.23–11.23) p < 0.001]; often/always tired [2.38 (1.26–4.50) p = 0.008]; falls risk [1.21 (1.05–1.40) p = 0.010]

van Bokhorst-de van der Schueren [35], 2013, Netherlands,

N = 448, 80 (7)

38%,

outpatients living independently- in own home or assisted care facility, U

MN (MNA)

Demographic: education, marital status, children

Lifestyle: smoking status, alcohol consumption

Physical functioning: ADLs, IADLs, falls, walking aid

Psychological: depression (GDS), cognitive impairment (MMSE)

Disease-related: polypharmacy (> 6 drugs), multi-comorbidities (> 4 diseases)

N/A

UV LR

MV backward stepwise LR

alcohol use [0.4 (0.2–0.9) p < 0.05]; being IADL dependent [2.8 (1.3–6.4) p < 0.05]; depression [2.6 (1.3–5.3) p < 0.05]

de Morais [66], 2013, 8 European countries (Denmark, Germany, Italy, Poland, Portugal, Spain, Sweden and the UK),

N = 644, 74.8 (5.8)

49.8%, CD, U MN risk (Determine your health checklist)

Demographic: BMI

Social: living situation

Food Intake: number of fruit and vegetables per day, chooses easy to chew food, changes in appetite

Disease-related: SR health, changes in health/health problems (SF-36)

N/A backward stepwise LR low BMI [ẞ (95% CI) p-value] [0.005 (0.001–0.01) p = 0.007]; number fruit and vegetables/day [− 0.21 (− 0.40- -0.03) p = 0.023]; general health [− 0.02 (− 0.03- -0.01) p = 0.006]; chooses easy to chew food [0.32 (0.15–0.49) p < 0.001]; living with another adult [2.82 (1.27–6.25) p = 0.011]; living alone [3.22 (2.00–5.16) p < 0.001]; changes in appetite [0.41 (0.20–0.85) p = 0.016]; changes in health/health problems [7.74 (4.02–14.90) p < 0.001]
Syrjälä [67], 2013, Finland, N = 157, > 75y 29.9%, CD, N/A MN risk (MNA-SF)

Demographic: sex, education

Food Intake: unstimulated salivary flow, stimulated salivary flow, number of teeth, number of the occluding molars/pre-molars, dentures, SR chewing problems Social: use of a meal service

Disease-related: number of medications, DM

Psychological: cognitive function (MMSE) Physical functioning: IADLs

N/A MV LR Stimulated/unstimulated salivary flow not associated with MN risk
Simsek [68], 2013, Turkey, N = 650, 74.1 (6.3) 37.1%, CD living in a low socioeconomic area, U-S MN risk (MNA)

Demographic: age, sex, marital status, education

Social: self-perceived economic status, social class, social insurance, ownership of house, personal income, living situation Food intake: food insecurity

Physical functioning: orthopaedic disability Disease-related: number chronic diseases, polypharmacy (> 5 drugs), SR health

N/A MV LR age [1.06 (1.02–1.10) p = 0.001]; number chronic diseases [1.41 (1.18–1.70) p < 0.001]; not being married [2.13 (1.31–3.46) p = 0.002]; SR poor economic status [2.49 (1.41–4.41) p = 0.002]; orthopaedic disability [1.95 (1.01–3.75) p = 0.047]; food insecurity [2.49 (1.48–4.16) p = 0.001]; poor SR health [4.33 (2.58–7.27) p < 0.001]

Smoliner [69], 2013, Germany,

N = 191, 79.6 (6.3)

28.3%, CD day hospital attendees without Parkinson’s disease or MMSE score < 20, N/A MN risk (MNA)

Demographic: age

Food intake: olfactory function (Sniffin sticks test)

Psychological: cognitive function (MMSE) Disease-related: number of drugs Physical functioning: self-care capacity (BI)

N/A Linear regression BI [0.329 (0.03–0.08) p < 0.001]
Ramage-Morin [70], 2013, Canada, N = 15,669, 77 (No SD) 40.4%, CD, U MN risk (SCREEN 2-AB)

Demographic: age, education

Food Intake: oral health

Social: income quintile, living situation, social support (Tangible Support MOS Subscale), social participation, driving status

Disease-related: number of medications Psychological: depressive symptoms (subset of questions from CIDI) Physical functioning: level of disability (HUI)

N/A MV LR

Males: lowest income quintile [1.46 (1.16–1.85) p < 0.05]; living alone [2.86 (2.39–3.42) p < 0.05]; low social support [1.31 (1.06–1.62) p < 0.05]; infrequent social participation [1.46 (1.20–1.76) p < 0.05]; depression [2.77 (1.51–5.06) p < 0.05]; moderate/severe disability [1.59 (1.32–1.90) p < 0.05]; taking 2–4 drugs/day [1.31 (1.10–1.56) p < 0.05]; taking > 5 drugs/day [1.69 (1.17–2.44) p < 0.05]

Females: age [0.98 (0.97–0.99) p < 0.05]; living alone [1.85 (1.61–2.12) p < 0.05]; low social support [1.49 (1.26–1.75) p < 0.05]; infrequent social participation [1.43 (1.22–1.69) p < 0.05]; depression [2.21 (1.54–3.17) p < 0.05]; moderate/severe disability [1.82 (1.58–2.11) p < 0.05]; 2–4 drugs/day [1.42 (1.23–1.63) p < 0.05]; > 5 drugs/day [2.23 (1.71–2.91) p < 0.05]; fair/poor oral health [1.54 (1.27–1.88) p < 0.05]

Söderhamn [71], 2012, Norway,

N = 2106, 74.5 (6.9)

49.5, CD, N/A MN risk (NUFFE-NO, MNA-SF)

Demographic: age, sex, marital status

Lifestyle: being active

Food Intake: eating sufficiently, preparing food, having access to meals Social: occupation, social support (receiving help to manage daily life), frequency of contact with family/neighbours/friends, loneliness, receiving home nursing, receiving home help

Disease-related: SR health, presence of chronic disease/handicap Psychological: feeling depressed

N/A

UV LR

MV LR (forward stepwise conditional)

NUFFE-NO: single [2.99 (2.17–4.13) p < 0.001]; professional/white collar worker [0.50 (0.36–0.69) p < 0.001]; depressed [1.71 (1.07–2.76) p = 0.026]; chronic disease/handicap [2.15 (1.57–2.96) p < 0.001]; being active [0.26 (0.17–0.39) p < 0.001]; eating sufficiently [0.07 (0.02–0.21) p < 0.001]; receiving home nursing [2.99 (1.37–6.56) p < 0.006]; receiving family help [1.92 (1.40–2.64) p < 0.001]; contact with neighbours [0.73 (0.61–0.89) p = 0.001]

MNA-SF: female [1.70 (1.18–2.43) p = 0.004]; receiving help [1.67 (1.02–2.75) p = 0.042]; perceived helplessness [2.39 (1.41–4.02) p = 0.001]; chronic disease/handicap [1.56 (1.08–2.25) p = 0.019]; eating sufficiently [0.18 (0.08–0.39) p < 0.001]; receiving home help [1.88 (1.25–2.81) p = 0.006]; receiving family help [1.88 (1.25–2.81) p = 0.002]; having contacts with family [0.59 (0.40–0.86) p = 0.006]; having contacts with neighbours [0.76 (0.62–0.93) p = 0.008]

Nykänen [72], 2012, Finland, N = 696, 81 (4.6) 30.6%, CD, N/A MN risk (MNA-SF)

Demographic: age, sex, education Food Intake: dry mouth/chewing problems Social: living situation

Disease-related: SR health, number of drugs used regularly

Psychological: depressive symptoms (GDS), cognitive impairment (MMSE) Physical functioning: ADLs, IADLs, ability to walk 400 m independently

N/A UV regression MV regression (stepwise, forward selection) dry mouth/chewing problems [2.01 (1.14–3.54) p < 0.05]; IADL [0.85 (0.75–0.96) p < 0.05]; MMSE [0.90 (0.85–0.96) p < 0.05]
Tomstad [73], 2012, Norway, N = 158, 73.2 (6.9) 41.8%, CD, N/A MN risk (NUFFE) Demographic: age, marital status Physical functioning: self-care (SASE) Social: attitude to life (SOC), living situation, social support, receiving home help, perceived helplessness Lifestyle: being active Psychological: perceiving life as meaningful N/A MV LR (forward stepwise conditional) living alone [7.46 (2.58–21.53) p < 0.001]; receiving help regularly [9.32 (2.39–36.42) p = 0.001]; being active [0.17 (0.04–0.65) p = 0.010]; perceived helplessness [6.87 (1.44–32.78) p = 0.016]
McElnay [74], 2012, New Zealand, N = 473, 74.0 (no SD) 43.8%, CD, N/A MN risk (SCREEN 2)

Demographic: ethnicity (Maori vs not), sex, age

Social: living situation

N/A

UV LR

MV LR (model 1, forced entry; model 2, forward stepwise)

Model 1: Maori [5.21 (1.52–17.90) p = 0.009]; living alone [3.53 (2.06–6.06) p < 0.001] Model 2: Maori [6.44 (1.87–22.11) p = 0.003]
Zeanandin [75], 2012, France, N = 190, 81.2 (4.4) 37.4%, CD, N/A MN risk (MNA-SF)

Demographic: BMI

Food intake: restrictive diet type, diet duration, diet compliance

Disease-related: comorbidities, polypharmacy

N/A

UV LR

MV LR

absence of diet [0.3 (0.1–0.6) p < 0.001]; increased BMI [1.3 (1.2–1.5) p < 0.001]; on a restrictive diet [3.6 (1.8–7.2) p < 0.001]

Samuel [76], 2012, America,

N = 679, 74.06 (2.8)

0%, CD, N/A MN risk (MNA-SF)

Demographic: age, race, marital status, education

Social: financial strain, annual income, participation in food stamps program, difficulty driving Disease-related: congestive heart failure, cancer

N/A MV LR

Enough to make ends meet model: not enough to make ends meet [4.08 (1.95–8.52) p < 0.05]; income < $6000/m [2.54 (1.07–5.99) p < 0.05]; age [1.12 (1.03–1.22) p < 0.05]

Lack of income for food model: lack of money fairly/very often [2.98 (1.15–7.73) p < 0.05]; income < $6000/m [2.77 (1.10–6.98) p < 0.05]; age [1.11 (1.02–1.21) p < 0.05]

Timpini [77], 2011,

Italy, N = 698, 75.6 (6.4)

41.5%, CD, U-S MN risk (MNA-SF)

Demographic: education

Lifestyle: PA

N/A

UV LR

MV LR models

low education [2.9 (1.2–6.8) p < 0.05]; lack of PA- model 1 [4.5 (2.2–9.8) p < 0.05],

model 2 [4.8 (1.9–11.8) p < 0.05]

Kvamme [78], 2011, Norway,

N = 3111, 71.6 (5.45)

50%, CD, N/A MN, MN risk [64] Psychological: anxiety and depression (SCL-10) N/A LR anxiety/depression symptoms with MN risk: males [3.9 (1.7–8.6) p < 0.05], females [2.5 (1.3–4.9) p < 0.05]
Fagerstrom [79], 2011, Sweden, N = 1230, 76.1 (9.9) 42.4%, CD, N/A MN (BMI < 23 kg/m2)

Demographic: age, sex, living arrangement Psychological: cognitive impairment (MMSE)

Physical functioning: ADLs

N/A

UV LR

MV LR (backward likelihood ratio stepwise)

age [1.02 (1.00–1.04) p = 0.032]; being female [2.20 (1.55–3.11) p < 0.001]; moderate/severe cognitive impairment [3.32 (1.77–6.24) p < 0.001]
Wham [80], 2011, New Zealand, N = 51, 82.4 (1.7) 29.0%, CD, N/A MN risk (SCREEN 2)

Demographic: age, sex, ethnicity Social: living situation, access to a car, socioeconomic deprivation, strength of social support/network (PANT), loneliness (EASY-Care)

Psychological: depression (EASY-Care), cognitive impairment (EASY-Care) Physical functioning: disability score (EASY-Care)

Disease-related: SR health (EASY-Care),

N/A multiple linear regression good SR health [coefficient (SE) p-value] [− 4.31 (1.98) p = 0.035]; poor SR health [− 10.23 (2.31) p < 0.001]; British/Canadian country of origin [− 5.55 (2.14) p = 0.013]; change in living situation, previously with spouse [− 5.31 (2.2) p = 0.02]; good SR health*some evidence depression [12.40 (5.24) p = 0.023]; poor SR health*some evidence depression [14.96 (5.84) p = 0.014]
Romero-Ortuno [81], 2011, Ireland, N = 556, 72.5 (7.1) 30.2%, CD independently mobile (with/without walking aid) outpatients, N/A MN risk (MNA)

Demographic: age, sex

Social: social support (LSNS-18), deprivation scale (NIDS), personality traits (EPI), loneliness (De Jong gierveld) Physical functioning: mobility (TUG) Disease-related: comorbidities (CCI) Psychological: cognitive function (MMSE), depressive symptoms (CES-d)

N/A MV LR TUG [1.11 (1.05–1.18) p < 0.001]; LSNS-18 [0.96 (0.93–0.99) p < 0.005]; NIDS [1.20 (1.03–1.39) p < 0.018]; age [1.07 (1.01–1.13) p < 0.032]
Soderhamn [82], 2010, Sweden, N = 1461, > 75 y 45.2, 98% CD, 2% institutionalised, N/A MN risk (NUFFE)

Demographic: sex, marital status, education

Social: living setting

Physical function: help to manage daily life Disease-related: perceived health

N/A MV stepwise LR living alone [4.85 (3.59–6.56) p < 0.05]; receiving help to manage daily life [2.55 (1.77–3.66) p < 0.05]; perceived health [0.96 (0.96–0.97) p < 0.05]
Sorbye [48], 2008, 11 European sites (Czech Republic, Denmark, Finland, France, Italy, Iceland, Norway, Sweden, Netherlands, Germany, UK), N = 4010, 82.5 (7.3) 26%, CD receiving home care or nursing care services, N/A unintentional WL (> 5% in past 30 days or > 10% in past 180 days) Demographic: age, sex, severe MN Food intake: < 1 meal/day, insufficient food and fluid intake, insufficient fluid intake, oral problems with swallowing food, pain in the mouth while eating, dry mouth, tube feeding, reduced appetite, vomiting Disease-related: constipation, diarrhoea, daily pain, pain disrupts normal activity, pressure ulcers, SR health, terminal prognosis < 6 m Physical functioning: fall last 90 days, IADL dependency > 3 (index 0–7), ADL dependency > 3 (index 0–8) Other: vision decline past 90 days Social: reduced social activity, feels lonely, not out of house in last week Psychological: risk of depression ≥1 (index 0–9), cognition [CPS > 3 (hierarchy scale 0–6)] N/A MV LR (Wald forward stepwise) < 1 meal/day [4.2 (2.8–6.4) p < 0.05]; reduced appetite [2.5 (1.9–3.4) p < 0.05]; severe MN [7.1 (4.2–11.9) p < 0.05]; reduced social activity [2.0 (1.6–2.5) p < 0.05]; hospitalisation past 90 days [2.1 (1.6–2.7) p < 0.05]; eating less [2.8 (1.8–4.4) p < 0.05]; constipation [1.9 (1.3–2.7) p < 0.05]; falls [1.5 (1.2–1.9) p < 0.05]; oral problem swallowing food [2.8 (1.8–4.4) p < 0.05]; flare-up of chronic disease [1.5 (1.1–2.1) p < 0.05]; pressure ulcers [1.5 (1.2–1.9) p < 0.05]; daily pain [1.3 (1.0–1.6) p < 0.05]

Gil-Montoya [83], 2008, Spain,

N = 2860, 73.6 (6.8)

42, 88.5% CD, 11.5% institutionalised, N/A MN risk (MNA) Demographic: age, sex, institutionalization Food intake: dental status, oral health QOL (GOHAI score) N/A multiple linear regression age [(1.01–1.04) p < 0.001]; male [(1.19–1.66) p < 0.001]; institutionalisation [(1.16–1.92) p < 0.05]; GOHAI [(0.93–0.95) p < 0.001]
Roberts [37], 2007, Canada, N = 839, 79.6 (no SD) 31.3%, CD with no more than MCI, N/A MN risk (ENS)

Demographic: sex, age, education, marital status

Social: living situation

Physical functioning: physical limitations (walking), ADLs/IADLs a

Psychological: cognitive impairment (MMSE)

Disease-related: chronic diseases (CDS), SR health status

longitudinal subset (N = 335 at risk at baseline): 1 y FU

Cross-sectional:

simple LR, MV Longitudinal:

simple LR, MV

Cross-sectional: age [1.05 (1.00–1.09) p < 0.05]; ADL [1.59 (1.02–2.49) p < 0.05]; IADL ‘need’ [1.45 (1.02–2.07) p < 0.05]; psychological distress (feelings of depression, anxiety, irritability, impaired cognition) [2.24 (1.22–4.09) p < 0.05]; current SR health [3.34 (2.01–5.54) p < 0.05]

Longitudinal: SR health among those at low MN risk [OR = 3.30, p < 0.05]

Martin [84], 2007, America,

N = 130, 78 (2.3)

45.4%, CD attending VA outpatient clinics with BMI < 24 kg/m2, without dementia (MMSE)/ cancer/heart failure, U MN (BMI < 19 kg/m2)

Demographic: age, sex, ethnicity, marital status, education, religion

Social: annual income, social support, type of residence

Lifestyle: PA, smoking status, alcohol consumption

Disease-related: medication use, comorbidities, hospitalisation, doctor visits

Psychological: depression (GDS)

N/A MV LR having an illness/condition which changed the type/amount of food eaten [4.7 (1.6–13.1) p < 0.05], unintentional WL of > 10 lb. in past 6 m [4.0 (1.5–10.7) p < 0.05], requiring assistance with travel [4.0 (1.4–11.3) p < 0.05]

Chen [36], 2005, America,

N = 240, 81.7 (8.7)

21.7, CD, U-A MN risk (MNA)

Demographic: age, sex, marital status, ethnicity, education, religion

Social: living situation, income levels, social support (SSQSF), loneliness (UCLA Loneliness Scale)

Disease-related: comorbidities (Co-morbidity checklist), medication use

Food Intake: oral health (BOHSE, GOHAI)

Psychological: depression (GDS)

Physical functioning: physical and social competence (ESDS)

N/A MV hierarchical LR annual income > $10,000 [0.40 (0.19–0.84) p = 0.014], depression [1.12 (1.03–1.21) p = 0.008], functional status [1.09 (1.03–1.15) p = 0.005], self-perceived oral health [0.87 (0.78–0.97) p = 0.009]

Locher [85], 2005, America,

N = 1000, 75.3 (no SD)

50.1%, CD, U MN risk (Determine your health checklist) Demographic: age, education, marital status Social: rural location, income, reliable transportation, social support, y at address, religious attendance, fear attack, experience discrimination, veteran Physical functioning: mobility (Independent life-space) N/A multiple linear regression

Black women: reliable transportation [ẞ = 0.196, t = 2.896, p = 0.004]; independent life-space [ẞ = − 0.344, t = − 4.626, p < 0.001]; income [ẞ = − 0.185, t = − 2.227, p = 0.027]

Black men: independent life-space [ẞ = − 0.245, t = − 3.415, p = 0.001]; being married [ẞ = − 0.245, t = − 3.415, p = 0.001]; religious attendance [ẞ = − 0.185, t = − 2.781, p = 0.006]; fear attack [ẞ = 0.143, t = 2.300, p = 0.023]; experienced discrimination [ẞ = 0.157, t = 2.450, p = 0.015] White women: independent life-space [ẞ = − 0.297, t = − 4.121, p < 0.001]; social support scale [ẞ = 0.156, t = 2.425, p = 0.016]; income [ẞ = − 0.216, t = − 2.259, p = 0.025] White men: reliable transportation [ẞ = 0.195, t = 2.957, p = 0.003]; independent life-space [ẞ = − 0.282, t = − 4.151, p < 0.001]

Johnson [86], 2005, Canada, N = 54, 81 (no SD) 48%, CD, N/A MN risk (MNA) Social: perceived social support (LSNS) Psychological: life satisfaction (13-item Life Satisfaction Index Form Z), depression (GDS) N/A Hierarchical regression analysis (forward selection) depression (B = − 0.534, p = 0.001), social support (B = 0.310, p = 0.013)
Weatherspoon [87], 2004, America, N = 324, >  60 y (no mean) 25%, CD, U MN risk (Determine your health checklist)

Demographic: age, sex, ethnicity

Social: use of home health aide/caregiver Disease-related: SR health, frequency of doctor, clinic and dentist visits, use of visiting nurse, number of nutritionist/dietitian visits, intake of laxatives, sleep medication, tranquilizers, antacids

Food intake: intake of vitamins, fibre supplements, fluid intake

N/A MV LR rural location [2.70 (1.2–5.9) p = 0.01]; poor SR health [4.28 (1.02–17.9) p = 0.04]; not visiting GP regularly [0.34 (0.15–0.77) p = 0.01]

Sharkey [88], 2004, America,

N = 908, 78.2 (8.2)

37.8%, CD MOW recipients, A MN risk (Nutritional Health Screen- modified version of Determine your health checklist)

Demographic: age, sex, ethnicity (Mexican-American vs not), marital status Social: rural area of residence, poverty guideline

Disease-related: multi-comorbidities (> 3 comorbidities)

Physical-functioning: ADLs, IADLs

N/A MV LR Mexican-American [1.47 (1.05–2.06) p = 0.026]; rural [1.49 (1.02–2.18) p = 0.04]; not being married [1.77 (1.33–2.36) p = 0.001]; worst IADL score [0.44 (0.27–0.70) p = 0.001]; worst ADL score [1.74 (1.12–2.71) p = 0.014]
Margetts [89], 2003, UK, N = 1632, > 65 y (no mean given) 50.7%, CD: 82.5%, institutionalised: 17.5%, N/A MN risk (MAG tool: high risk = BMI < 18.5 kg/m2 or BMI 18.5–20.0 kg/m2 with WL of > 3.2 kg or BMI > 20.0 kg/m2 with WL > 6.4 kg; medium risk = BMI 18.5–20.0 kg/m2 with < 3.2 kg (unless no long-term illness and no WL) or BMI > 20 kg/m2 and WL 3.2–6.4 kg; low risk = BMI > 20 kg/m2 with no WL (< 5% BW)

Demographic: age, region, setting

Disease-related: SR health, long standing illness, hospitalisation in the last y

N/A MV LR

Males: hospitalisation in past y [1.83 (1.06–3.16) p < 0.05]; being institutionalised [2.17 (1.22–3.88) p < 0.05]; longstanding illness [2.34 (1.20–4.58) p < 0.05]; age > 85 y [2.64 (1.30–5.33) p < 0.05]; from northern England/Scotland vs southeast England/London [2.81 (1.54–5.11) p < 0.05]

Females: poor SR health [2.82 (1.25–6.38) p < 0.05]; longstanding illness [2.98 (1.58–5.62) p < 0.05]

Sharkey [90], 2002, America, N = 729, 79 (no SD) 0%, CD receiving MOW, N/A MN risk (Determine your health checklist)

Demographic: age, race

Social: living situation, income, MOW service use

Physical functioning: functional disability (ADL)

N/A

UV ordered LR

MV ordered LR

Total sample: being black [coefficient, p-value] [0.62, p < 0.001]; age 60–74 y [0.80, p < 0.001]; poverty [0.43, p < 0.001]; living alone [0.51, p < 0.001]; increasing m using MOW service [0.096, p < 0.05]

Black women: aged 60–74 y [0.72, p < 0.01] White women: living alone [0.76, p < 0.001]; poverty [0.47, p < 0.05], aged 60–74 y [0.86, p < 0.001]

Pearson [91], 2001, towns within 9 European countries (Belgium, Denmark, France, France, Italy, the Netherlands, Portugal, Spain, Switzerland, Poland), N = 627, 80–85 y (no mean/SD given) 45.9%, CD, N/A MN risk (MNA)

Demographic: sex, living situation

Psychological: cognitive impairment (MMSE)

Physical functioning: ability to complete all self-care ADLs

N/A MV LR

Total: diminished cognitive function [2.10 (1.98–2.22) p < 0.05]; diminished self-care ability [2.44 (2.32–2.56) p < 0.001] Males: diminished self-care ability [2.93 (2.76–3.10) p < 0.01]; diminished cognitive function [2.65 (2.46–2.84) p < 0.05]; living alone [1.23 (1.06–1.40) p < 0.05]

Females: diminished self-care ability [2.06 (1.90–2.22) p < 0.05]; diminished cognitive function [1.77 (1.61–1.93) p < 0.05]

Longitudinal studies
Bardon [46], 2018, Ireland, N = 1841, 72 (4.99) 49.8%, CD dementia free (MMSE), S MN (BMI < 20 kg/m2 or WL > 10% over 2 y)

Demographic: age, sex, education, marital status

Food intake: appetite

Lifestyle: smoking status, alcohol consumption, PA

Social: living situation, social support

Disease-related: number chronic disease (> 2), polypharmacy (> 5 drugs), pain, SR health, hospitalisation 1 y before baseline, hospitalisation 1 y before FU

Physical functioning: falls 1 y before baseline, falls during FU, difficulty climbing stairs without rest, difficulty walking 100 m without rest, HGS

Psychological: depression (CES-D), cognitive impairment (MMSE)

2 y

UV LR

MV LR

Total: unmarried/separated/divorced status [1.84 (1.21–2.81) p < 0.05], hospitalisation 1 y before FU [1.62 (1.14–2.30) p < 0.05], difficulty climbing stairs [1.56 (1.12–2.17) p < 0.05], difficulty walking 100 m [1.83 (1.13–2.97) p < 0.05]

Males: falls during FU [1.62 (1.01–2.59) p < 0.05], difficulty climbing flight stairs [2.25 (1.44–3.50) p < 0.05], hospitalisation 1 y before FU [1.73 (1.08–2.77) p < 0.05]

Females: social support [2.44 (1.19–4.99) p < 0.05], cognitive impairment [2.29 (1.04–5.03) p < 0.05]

Hengeveld [92], 2018, America, N = 2212, 74.6 (2.9) 49.6%, well functioning CD, N/A MN (PEM: BMI < 20 kg/m2 and/or involuntary WL ≥5% in the past y)

Demographic: age, sex, race, education, BMI

Social: living situation, income Lifestyle: PA, smoking status, alcohol consumption Food Intake: diet quality (HEI), protein intake (g/kg BW/d), appetite, biting/chewing difficulty Disease-related: SR health status, chronic diseases (cancer, DM, CVD, chronic pulmonary disease, osteoporosis) Psychological: cognitive function (modified MMSE), depression

yearly for 4 y MV Cox proportional hazards analysis Developing PEM during 4 y of FU: low energy intake [0.71 (0.55–0.91) p < 0.05] Having persistent PEM (PEM at 2 consecutive FUs): poor HEI score [0.97 (0.95–0.99) p < 0.05]; low EI [0.56 (0.36–0.87) p < 0.05]; low protein intake [1.15 (1.03–1.29) p < 0.05]
Serra-Prat [93], 2012, Spain, N = 254, 78.2 (5.6) 53.5%, CD, U-S MN risk (MNA)

Demographic: age

Food Intake: impaired efficacy of swallow (impaired labial seal, oral or pharyngeal residue, piecemeal deglutition)

Physical functioning: functional capacity (BI)

1 y MV LR No significant results when adjusted for age

Schilp [94], 2011, Netherlands,

N = 1120, 74.1 (5.7)

48.5%, CD (97.9%) and institutionalised (2.1%), S MN (BMI < 20 kg/m2 or SR invol. WL ≥ 5% in previous 6 m)

Demographic: sex, age, education

Food Intake: appetite, chewing difficulties

Lifestyle: smoking status, alcohol consumption, PA (LAPAQ)

Social: loneliness

Physical functioning: limitations climbing stairs, physical performance (chair stands, tandem stand and walk test)

Psychological: cognitive impairment (MMSE), depression (CESD), anxiety (HADS)

Disease-related: medication use, SR pain, chronic diseases

3, 6, 9 y

cox proportional-HR

UV LR

MV LR

poor appetite [1.63 (1.02–2.61) p < 0.05]; difficulties climbing stairs (in those < 75 y only) [HR (95% CI) 1.91 (1.14–3.22)]; one or two medications (vs none in females only) [HR (95% CI) 0.39 (0.18–0.83) p < 0.05]
Jyrkka [78], 2011, Finland, N = 294, 81.3 (4.5) 31%, CD (94.6%) and institutionalised (5.4), U MN risk (MNA-SF)

Demographic: age, sex, education, residential status (home vs institution) Physical function: functional comorbidity index

Disease-related: polypharmacy, SR health

3 y Linear mixed model approach excessive polypharmacy 0.62 points lower MNA-SF scores (p < 0.001); age [ẞ (standard error) p-value; − 0.04 (0.02) p = 0.016]; institution [− 1.89 (0.25) p < 0.001]; moderate [− 0.27 (0.11) p = 0.016] and poor [− 1.05 (0.17) p < 0.001] SR health status
Johansson Y [43], 2009, Sweden, N = 579, 75 y and 80 y cohort 52.5%, CD, N/A MN risk (MNA)

Demographic: age

Physical functioning: HGS, physical mobility (NHP), walking limitations, limitations climbing stairs, physical health (PGC-MAI) b

Psychological: depression (GDS), cognitive impairment (MMSE)

Disease-related: SR health, pain (NHP)

75 y olds: yearly for 5 y

80 y olds: yearly for 3 y

forward stepwise multiple LR higher age p = 0.005 at 1 y; HGS [0.938 (0.91–0.97) p < 0.001]; physical health [0.65 (0.55–0.76) p < 0.001] predicted risk of MN at baseline; more depression symptoms [1.178 (1.07–1.30) p = 0.001] 1 y predictor; depressive symptoms*males [OR 1.26] depressive symptoms*females [OR 1.03]; lower SR health [0.432 (0.27–0.70) p = 0.001]
Johansson L [95], 2009, Sweden, N = 258, 74.2 (2.55) 49.6%, CD, A MN risk (MNA)

Social: social support

Physical functioning: ADLs

Psychological: cognitive impairment (MMSE)

Disease-related: SR health, hospitalisation

4, 8, 12 y

UV LR

MV LR

Total: MOW use [OR 19.6, p < 0.001];

Males; use of MOW [OR 21.9, p < 0.01]; MMSE score (cut-off 23/24) [12.9 (2.9–56.7) p < 0.01]; poorer SR health compared to 4 y ago [OR 5.1, p < 0.05]

Females: increased MOW use [OR 31.0, p < 0.01]; hospital stay during the past 2 m [OR 7.1, p < 0.05]

Keller [96], 2006, Canada, N = 367, 78.7 (8.0) 24%, vulnerable CD c, A MN risk (SCREEN) Social: social support- MOW use 1.5 y multiple linear regression MOW use associated with a 1.6-point higher score in SCREEN at FU [(0.02–3.23) p = 0.04]; increasing help making meals [(2.91–0.49) p = 0.006]
Visvanathan [47], 2003, Australia, N = 250, 79.45 (no SD) 30.8%, CD receiving domiciliary care (all had MMSE > 24), A MN risk (MNA)

Demographic: age

Lifestyle: smoking status

Social: MOW use, amount of domiciliary care per m

Disease-related: comorbidities, health status and QOL (SF-36)

1 y UV LR binomial analysis hospitalisation [RR 1.51 (1.07–2.14) p = 0.015], > 2 emergency hospitalisation [RR 2.96 (1.17–7.50) p = 0.022], > 4 week hospitalisation [RR 3.22 (1.29–8.07) p = 0.008], falls [RR 1.65 (1.13–2.41) p = 0.013], WL [RR 2.63 (1.67–4.15) p < 0.001], >  2 hospitalisations [RR 2.11 (1.04–4.29) p = 0.039], emergency hospitalisation [RR 1.99 (1.28–3.11) p = 0.002]
Shatenstein [86], 2001, Canada, N = 584, > 70 y (no mean given) 40.4%, CD, N/A MN risk (WL > 5% baseline weight) Demographic: age, study region, WL Social: ability to shop, bereavement Psychological: cognitive diagnosis at FU, depression, SR interest in life Food Intake: ability to eat independently, loss of appetite Physical functioning: frailty 5 y MV LR (backward stepwise) consistent appetite [0.22 (0.12–0.42) p < 0.001]; loss of interest in life [0.56 (0.34–0.90) p = 0.017]

Ritchie [97], 2000, America,

N = 563, Males: 77.3 (4.7), Females: 78.1 (5.3)

43%, CD, N/A MN (WL > 10% BW)

Demographic: age, sex

Lifestyle: smoking status, alcohol consumption, PA

Food Intake: edentulousness, wears full prostheses, % sites with gingival bleeding, mean attachment loss, mean recession Disease-related: > 2 comorbidities Physical functioning: ADLs Psychological: depression

1 y

UV LR

MV LR

female sex [3.77 (1.71–8.33) p < 0.05], baseline weight [1.02 (1.01–1.03) p < 0.05]; dependent in > 1 ADL [2.27 (1.08–4.78) p < 0.05]; edentulousness [2.03 (1.05–3.96) p < 0.05]
Systematic Review

O’Keeffe [98], 2018, Canada, Denmark, Finland, Israel, Japan, Netherlands, Spain, Sweden, Taiwan, USA,

23 studies N = 108–4512, 74 (12)

17–53.5%, N = 15 CD, N = 3 institutionalised, N = 3 acute hospital, N = 2 CD and institutionalised combined, N/A MN (any definition/screening tool)

Food intake: appetite, complaints about taste, nutrient intake/modified texture diet, hunger, thirst, dental status, chewing, mouth pain, gum issues, swallowing, eating dependency/difficulty feeding Psychological: cognitive function, depression, psychological distress, anxiety Social: social support, living situation, transport, loneliness, wellbeing, MOW, vision and hearing

Disease-related: medication use, polypharmacy, hospitalisation, comorbidities, constipation, SR health Physical functioning: ADLs

Lifestyle: smoking status, alcohol consumption, PA

24 weeks- 12 y Mixed

Moderate evidence for association: hospitalisation, eating dependency, poor SR health, poor physical function, poor appetite Moderate evidence for no association: chewing difficulties, mouth pain, gum issues, comorbidity, hearing and vision impairments, smoking, alcohol consumption, low PA, complaints about taste of food, specific nutrient intakes

Low evidence determinants: modified texture diets, loss of interest in life, MOW access

Low evidence not determinants: psychological distress, anxiety, loneliness, access to transport, wellbeing, hunger, thirst

Conflicting evidence: dental status, swallowing, cognitive function, depression, residential status, medication intake and/or polypharmacy, constipation, periodontal disease

van der Pols-Vijlbrief [34], 2014

USA, Canada, Netherlands, Sweden, Cuba, France, Japan, Brazil, UK, Israel, Russia,

28 studies N = 49–12,883, mean > 65y

21.3–56.5%,

CD, N/A

PEM (WL over time/ low nutritional intake/ low BW/ poor appetite)

Demographic: sex, age, education

Food Intake: reduced appetite, edentulousness, chewing difficulties

Lifestyle: PA, alcohol use, smoking

Social: few friends, living situation, loneliness, death of spouse

Physical functioning: ADLs

Psychological: depression, cognitive decline, dementia, anxiety

Disease-related: hospitalisation, SR health status, polypharmacy, chronic diseases, cancer

N/A MV analyses

Association: poor appetite

Moderate evidence for an association: edentulousness, hospitalization, SR health

moderate evidence for no association: older age, low education, depression, chronic diseases

Strong evidence for no association: few friends, living alone, loneliness, death of spouse

No association: chewing difficulties, alcohol consumption, anxiety, number of diseases, heart failure, use of anti-inflammatories

Inconclusive: sex, low PA, smoking, ADL dependency, cognitive decline, dementia, polypharmacy

Meta-analysis

Streicher [33], 2018, 6 studies: Germany (30, Ireland (1), Netherlands (1), New Zealand (1),

N = 209–1841, 71.7 (5.0)- 84.6 (0.5)

36.6–50.5%, CD, N/A MN (BMI < 20 kg/m2 or WL > 10% over FU)

Demographic: age, sex, marital status, education

Social: living alone, social support

Lifestyle: PA, smoking status, alcohol consumption

Disease-related: comorbidities (> 2), hospitalisation (6 m/1 y before baseline and 6 m/1 y before FU), pain, SR health, polypharmacy (> 5 drugs)

Psychological: cognitive impairment (MMSE < 23, TICS-m < 31), depression (GDS > 6, CES-D > 16, HADS > 8)

Physical functioning: difficulty walking, difficulty climbing stairs, HGS, falls (y before baseline and 1 y/2 y before FU)

Food intake: appetite

1–3 y LR analyses (UV and MV), random-effects meta-analyses increasing age [1.05 (1.03–1.07) p < 0.05]; unmarried, separated, or divorced status [1.54 (1.14–2.08) p < 0.05]; difficulty walking 100 m [1.41 (1.06–1.89) p < 0.05]; difficulty climbing stairs [1.45 (1.14–1.85) p < 0.05]; hospitalisation before baseline [1.49 (1.25–1.76) p < 0.05]; hospitalisation during FU [2.02 (1.41–2.88) p < 0.05]

A accelerated, AACI Charlson’s Age Adjusted Co-Morbidity Index, ADL activities of daily living, AGGIR Autonomy, Gerontology and Group Resources Scale, ANOVA analysis of variance, ANSI Australian nutritional screening initiative, BI Barthel Index, BMI body mass index, BOHSE Brief Oral Health State Examination, BP blood pressure, BW body weight, CCI Charlson Comorbidity Index, CD community dwelling, CDS chronic disease score, CESD center for epidemiologic studies depression scale, CHD coronary heart disease, CI confidence interval, CIDI Composite International Diagnostic Interview, CNAQ Council on Nutrition Appetite Questionnaire, CPS Cognitive performance scale, CRP C-reactive protein, CVD cardiovascular disease, DM diabetes mellitus, EAT-10 Eating Assessment Tool-10, EI energy intake, ENS elderly nutrition screening, EPI Eysenck Personality Inventory, EQ-5D euro quality of life- 5 dimension, ESDS Enforced Social Dependency Scale, FFMI fat free mass index, FTSTS Five-times-sit-to-stand test, FU follow up, GDS geriatric depression scale, GFI Groningen Frailty Index, GOHAI Geriatric Oral Health Assessment Index, GP general practitioner, HADS Hospital Anxiety and Depression Scale, HDDS Household Dietary Diversity Score, HEI Healthy Eating Index, HFIAS Household Food Insecurity Access Scale, HGS handgrip strength, HR hazards regression, HTAQ Health and Taste Attitudes Questionnaire, HUI Health Utility Index, IADL instrumental activities of daily living, invol involuntary, IM-E-SA INTERMED questionnaire for the Elderly Self-Assessment, IQCODE Informant Questionnaire on Cognitive Decline in the Elderly, IQR interquartile range, LAPAQ Longitudinal Aging Study Amsterdam (LASA)-Physical Activity Questionnaire, lb pound, LR logistic regression, LSNS-6 Lubben social network scale-6, m months, MAG Malnutrition Advisory Group, MCI mild cognitive impairment, MCS mental component score, MEDAS Mediterranean Diet Adherence Screen, MI myocardial infraction, min minute, MMSE mini mental state examination, MN malnutrition, MNA mini nutritional assessment, MNA-SF mini nutritional assessment- short form, MoCA Montreal Cognitive Assessment, MOS Medical Outcomes Study, MOW meals on wheels, MUAC mid-upper arm circumference, MUST malnutrition universal screening tool, MV multivariate, NEADL Nottingham Extended Activities of Daily Living, NHP Nottingham health profile, NIDS National Irish Deprivation Score, NRS-2002 Nutritional Risk Screening, NUFFE Nutritional Form For the Elderly, NUFFE-NO Norwegian version of the Nutritional Form For the Elderly, OARS Older Americans Resources and Services, OHQ oral health questionnaire, OR odds ratio, OSLO 3-SSS Oslo 3 item social support scale, PA physical activity, PASE Physical Activity Scale for the Elderly, PCS physical component score, PEM protein energy malnutrition, PGC MAI Philadelphia Geriatric Centre Multilevel Assessment Instrument, QOL quality of life, RR risk ratio, S successful, SASE Self-care Ability Scale for Elderly, SC senior centre, SCL-10 symptoms check list- 10, SCREEN Seniors in the community: Risk Evaluation for eating and Nutrition, SD standard deviation, SEM structural equation modelling, SF-12 short form survey-12, SF-36 short form survey-36, SHPS Subjective Health Perceptions Scale, SNAQapp Simplified Nutritional Appetite Questionnaire, SNAQ65+ Short Nutritional Assessment Questionnaire for over 65 s, SOC Sense of coherence scale, SOF Study of osteoporotic fractures, SPMSQ Short-Portable Mini-Mental Status Questionnaire, SR self rated, SSQSF Social Support Questionnaire- Short Form, STAI Y-B State-Trait Anxiety Inventory form Y, TICS-m modified Telephone Interview for Cognitive Status, TUG Timed Up and Go, U usual, U-A usual to accelerated, U-S usual to successful, UCLA University of California at Los Angles, UV univariate, VA Veterans Administrative, VAS visual analogue scale, WC waist circumference, WHOQOL world health organisation quality of life scale, WL weight loss, y years, 3MS Modified Mini-Mental State

a answering ‘yes’ to either an ADL/IADL was categorised as ‘need’; b assessed using PGC-MAI: measures cognition, physical health, mobility, ADLs, time use, personal adjustment, social interaction and environmental domains; c dependent for activities of daily living (grocery shopping, transportation, cooking, or self-care); *Key results are only presented for multivariate analyses