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. 2018 Sep 26;24(7):965–986. doi: 10.1038/s41380-018-0237-8

Table 1.

Characteristics of observational studies that examined the associations between healthy dietary indices and depressive outcomes

Author, year Country Design follow-up Population, age N, n cases Dietary assessment Dietary score Depression assessment Model Adjustment OR, HR or RR, or β coefficients
Mediterranean diet
Adjibade 2017 [45] France Cohort 12.6 years Adults SUVIMAX, 1994–2007, Men 52.1 years, women 47.6 years Men 2031, 69 cases; women 1492, 103 cases ~10, 24-hDR over 2 years rMED Follow-up: Q. Men CES-D-20 ≥ 17; women CES-D-20 ≥ 23. Baseline: Q, A. Exclusion depressive symptoms (same CES-D cutoffs) or antidepressant use. Logistic regression Age, sex, intervention group, education, marital status, socio-professional status, energy intake, number of 24-h dietary records, interval between CES-D measurements, smoking status, physical activity, BMI Men OR T3 vs. T1 0.58; 95% CI 0.29, 1.13, continuous OR 0.91; 95% CI 0.83, 0.99. Women OR T3 vs. T1 0.95; 95% CI 0.57, 1.59, continuous OR 0.99; 95% CI 0.91, 1.06
Hodge 2013 [31] Australia Cohort 11 years Adults Melbourne Collaborative cohort study 1990–2007, 50–69 years 8660, 731 cases 121-item FFQ MDS with olive oil Follow-up: Q. K10 ≥ 20. Baseline: A. Exclusion antidepressant or anxiolytics use. Logistic regression Physical activity, education, smoking, history of arthritis, asthma, kidney, energy intake, SES OR score 7–9 vs. 0–3: 0.72; 95% CI 0.54, 0.95
Sanchez Villegas 2009 [47] Spain Cohort 4.4 years Adults SUN, 37.5 years 10,094, 480 cases 136-item FFQ MDS Follow-up: C, A. Self-reported doctor diagnosis or habitual use of antidepressant. Baseline: C, A. Exclusion antidepressant use or previous clinical diagnosis Cox proportional hazards model Age, sex, BMI, smoking, physical activity, vitamin supplements, energy intake, chronic disease at baseline OR score 6–9 vs. 0–2: 0.58; 95% CI 0.44, 0.77
Sanchez Villegas 2015 [48] Spain Cohort 8.5 years Adults SUN, 37.5 years 15,093, 1051 cases As above As above As above As above As above OR score 6–9 vs. 0–2: 0.70; 95% CI 0.58, 0.85
Lai 2016 [46] Australia Cohort 12 years Adults ALSWH, 50–54 years 9280 DQES MDS Follow-up and baseline: Q. CES-D-10 continuous Adjustment for baseline depression (no exclusion) Linear mixed model with time-varying covariates Area of residence, marital status, income, education, physical activity, smoking, baseline self-reported physician depression diagnosis, antidepressant use Q5 vs. Q1, β = −0.48; 95% CI −0.74, −0.21
Skarupski 2013 [27] US Cohort 7.2 years Adults CHAP Chicago, 73.5 years 3502 139-item FFQ aMED Follow-up: Q. CES-D-10 continuous. Baseline: Q. Exclusion of CES-D-10 ≥ 4 Generalized estimating equations Age, sex, race, education, income, widowhood, energy intake, BMI Slope over time is positive in T1 but negative in T3, slope difference between T3 and T1 β = −0.03, SE = 0.01, p < 0.001
Winpenny 2018 [25] UK Cohort 3 years Adolescents ROOTS, 14 years 603 4 day diet diary MDS Follow-up and baseline: Q. MFQ-33, continuous. Adjustment for baseline score (no exclusion) Linear regression Sex, SES, smoking, alcohol, physical activity, sleep, friendship quality, self-esteem, family functioning, medication use, % body fat, baseline MFQ score Beta 1 SD MDS 0.35; 95% CI −0.04, 0.74
Veronese 2016 [43] US Cross-sectional Adults Osteoarthritis initiative, 61.3 years. Patients at high-risk of osteoarthritis 4470 70-item FFQ aMED Q. CES-D-20 ≥ 16 Logistic regression Age, sex, race, BMI, education, smoking, annual income, Charlson comorbidity index, analgesic drugs use, total energy intake OR Q4–5 vs. Q1–3 0.82; 95% CI 0.65, 1.04
Mamplekou 2010 [26] Greece Cross-sectional Adults MEDIS, 74 years 1190, 246 cases FFQ aMED Q. GDS-15 > 10 Logistic regression Age, sex, education, BMI, physical activity, hypertension, diabetes, hypercholesterolemia OR 1 unit increase 1.03; 95% CI 0.98, 1.09
Tehrani 2018 [49] Iran Cross-sectional Adolescents Tehran, 16.2 years 263 168-item FFQ MSDPS Q. DASS-21 ≥ 10 on the depression subscale Logistic regression Age, BMI, energy intake, physical activity, ethnicity, parents’ education level and total family income OR Q5 vs. Q1 0.41; 95% CI 0.17, 0.97
Healthy Eating Index HEI/Alternative Eating Index AHEI
Adjibade 2018 [51] France Cohort 5.9 years Adults NutriNet-Santé, 2009–2018, 18–86 years Men 53.0 years, women 45.5 years 26,225, 2166 cases ~8, 24-hDR over the first 2 years AHEI-2010 Follow-up: Q. Men CES-D-20 ≥ 17; women CES-D-20 ≥ 23. Baseline: Q, A. Exclusion depressive symptoms (same CES-D cutoffs) or antidepressant use. Cox proportional hazards model Age, sex, marital status, educational level, occupational categories, household income, residential area, energy intake without alcohol, number of 24hs and inclusion month, smoking, physical activity, BMI, health events during follow-up HR T3 vs. T1 0.96; 95% CI 0.86, 1.07 .HR per 1 SD increase 0.98; 95% CI 0.94, 1.03
Akbaraly 2013 [55] UK Cohort 5 years Adults Whitehall II 1991–2009, 61 years Men 3155, 164 cases; women 1060, 96 cases 127-item FFQ AHEI Follow-up: Q, A. Recurrent (at both phase 7 and 9) depressive symptoms CES-D-20 ≥ 16 or antidepressant use. Baseline: A. Exclusion antidepressant use (phase 3 or 5) Logistic regression Age, sex, ethnicity, energy intake, SES, retirement, living alone, smoking, physical activity, CAD, diabetes, hypertension, HDL cholesterol, lipid-lowering drugs, central obesity, cognitive impairment OR T3 vs. T1 Men 0.95; 95% CI 0.64, 1.42. Women 0.36; 95% CI 0.20, 0.64
Sanchez Villegas 2015 [48] Spain Cohort 8.5 years Adults SUN, 37.5 years 15,093, 1051 cases 136-item FFQ AHEI-2010 Follow-up: C, A. Self-reported doctor diagnosis or habitual use of antidepressant. Baseline: C, A. Exclusion antidepressant use or previous clinical diagnosis Cox proportional hazards model Age, sex, BMI, smoking, physical activity, vitamin supplements, energy intake, chronic disease at baseline HR Q5 vs. Q1 0.72; 95% CI 0.59, 0.88
Loprinzi 2014 [52] US Cross-sectional Adults NHANES 2005–2006, 20–85 years 2574, 118 cases Two 24-hDR HEI 2005 Q. PHQ-9 ≥ 10 Logistic regression Age, gender, ethnicity, BMI, PIR, presence of comorbidities OR > 60 percentile vs. below 0.51; 95% CI 0.27, 0.93
Rahmani 2017 [53] Iran Cross-sectional Adults Iranian soldiers, 24 years 246, 39 cases FFQ AHEI-2010 Q. DASS-21 > 21 on the depression subscale (severe depression) Logistic regression Age, energy intake, BMI, physical activity, education, marital status, smoking, SES, family size OR Q4 vs. Q1 0.12; 95% CI 0.02, 0.58
Saneei 2016 [54] Iran Cross-sectional Adults Iranian adults, 36.3 years Men 1403, 321 cases; women 1960, 688 cases 106-item FFQ AHEI-2010 Q. Iranian HADS-21 ≥ 8 Logistic regression Age, sex, energy intake, BMI, physical activity, smoking, marital status, educational level, family size, house possession, self-reported diabetes, current use of antipsychotic medications, dietary supplements OR Q4 vs. Q1 Men 0.70; 95% CI 0.44, 1.11. Women 0.51; 95% CI 0.36, 0.71
Beydoun 2010 [50] US Cross-sectional Adults HANDLS, 47.9 years 734, 21.2% men and 32.1% women Two, 24-hDR HEI-2005 Q. CES-D-20 ≥ 16 Linear regression Age, ethnicity, marital status, education, poverty status, smoking status, illicit drug use, and BMI Men β = −0.045 SE = 0.024 p = 0.06. Women β = −0.083, SE = 0.023, p < 0.001
Dietary approaches to stop hypertension DASH
Perez Cornago 2017 [58] Spain Cohort 8 year Adults SUN, 37.5 years 14,051, 113 cases 136-item FFQ Dixon Mellen Fung Gunther Follow-up: C, A. Self-reported doctor diagnosis or habitual use of antidepressant. Baseline: C, A. Exclusion antidepressant use or previous clinical diagnosis Cox proportional hazards model Sex, smoking, physical activity, energy intake, living alone, unemployment, marital status, baseline hypertension, weight change, personality traits HR Dixon 3–9 vs.. ≤ 2, 1.47; 95% CI 0.95, 2.3 HR Mellen Q2–Q5 vs. Q1, 0.68; 0.45, 1.04 HR Fung Q2–Q5 vs. Q1, 0.63; 95% CI 0.41, 0.95 HR Gunther Q2–Q5 vs. Q1, 1.01; 95% CI 0.63, 162
Meegan 2017 [57] Ireland Cross-sectional Adults Cork&Kerry Diabetes and Heart Disease Study, 59.8 years 2040, 302 cases 127-item EPIC FFQ Fung Q. CES-D-20 ≥ 16 Logistic regression Age, sex, BMI, smoking, physical activity, alcohol, antidepressant use, history of depression OR > median vs. below 1.06; 95% CI 0.69, 1.63
Valipour 2017 [59] Iran Cross-sectional Adults SEPAHAN, 36 years 1712 men; 2134 women 1108 total cases 106-item FFQ Fung modified (deciles, different items) Q. HADS-D-21 ≥ 8 Logistic regression Age, sex, energy intake, marital status, socioeconomic status, smoking, physical activity, chronic disease, antidepressant use, supplement use, pregnant or lactating, frequent spice consumers, BMI OR ≥ 51 vs. ≤ 40: men 1.08; 95% CI 0.73, 1.6, women 0.96; 95% CI 0.72, 1.28
Khayyatzadeh 2017 [56] Iran Cross-sectional Adolescents Iranian girls, 12–18 years 535, 172 cases 168-item FFQ Fung Q. Persian version of BDI-21 > 16 Logistic regression Age, energy intake, mother job status, passive smoker, menstruation, parent death, parent divorce, physical activity, BMI, SES, education OR Q4 vs. Q1 0.47; 95% CI 0.23, 0.92
Dietary Inflammatory Index DII
Akbaraly 2016 [61] UK Cohort 5 years Adults Whitehall II 2002–2009, 61 years Men 3178, 166 cases; Women 1068, 99 cases 127-item FFQ DII Follow-up: Q, A. Recurrent (phase 7 and 9) depressive symptoms CES-D-20 ≥ 16 or antidepressant use. Baseline: A. Exclusion antidepressant use (phase 3 or 5) Logistic regression Age, sex, ethnicity, marital status, occupation, smoking, alcohol, energy intake, physical activity, CVD risk factors OR T1 vs. T3 men 0.96; 95% CI 0.60, 1.54. Women 0.35; 95% CI 0.18, 0.68
Adjibade 2017 [60] France Cohort 12.6 years Adults SUVIMAX, 1994–2007, Men 52.1, Women 47.6 Men 2031, 69 cases; Women 1492, 103 cases ~10 24-hDR over 2 years DII Follow-up: Q. Men CES-D-20 ≥ 17; women CES-D-20 ≥ 23. Baseline: Q, A. Exclusion depressive symptoms (same CES-D cutoffs) or antidepressant use. Logistic regression Age, sex, intervention group, education, marital status, socio-professional status, energy intake, number of 24-h DR, interval between the two CES-D measurements, smoking, physical activity, BMI OR Q1 vs. Q4 men 0.43; 95% CI 0.19, 0.99. Women 1.39; 0.75, 2.56
Sanchez Villegas 2015 [67] Spain Cohort 8.5 years Adults SUN, 37 years 15,093, 1051 cases 136-item FFQ DII Follow-up: C, A. Self-reported doctor diagnosis or habitual use of antidepressant. Baseline: C, A. Exclusion antidepressant use or previous clinical diagnosis Cox proportional hazards model Age, sex, energy intake, prevalence of disease, BMI, smoking, physical activity, vitamin supplement, CVD, diabetes, hypertension, dyslipidemia at baseline HR Q1 vs. Q5 0.68; 95% CI 0.54, 0.85
Shivappa 2016 [65] Australia Cohort 9 years Adults ALSWH 2001–2013, 52 years 6438, 1156 cases 101-item FFQ DII Follow-up: Q. CES-D-10 ≥ 10 Baseline: Q. Exclusion history depressive symptoms CES-D-10 ≥ 10 survey 1 to 3. Relative risk (log-binomial or Poisson) Energy intake, education, marital status, menopause status, night sweats and major personal illness or injury, smoking, physical activity, BMI, depression diagnosis or treatment RR Q1 vs. Q4 0.81; 95% CI 0.69, 0.96
Shivappa 2018 [42] US Cohort 8 years Adults Osteoarthritis initiative, 61.4 years Patients at high-risk of osteoarthritis 3608, 837 cases 70-item FFQ DII Follow-up: Q. CES-D-20 > 16. Baseline: Q. Exclusion prevalent depressive symptoms CES-D-20 > 16 Cox proportional hazards model Age, sex, race, BMI, education, smoking, income, physical activity, Charlson co-morbidity index, CES-D at baseline, statin use, NSAIDS or cortisone use HR Q1 vs. Q4 0.81; 95% CI 0.65, 0.99
Wirth 2017 [66] US Cross-sectional Adults NHANES III, 2005–2012, 46.9 years Men 9322, 595 cases; women 9553, 1053 cases Two 24-hDR DII Q. PHQ-9 ≥ 10 Logistic regression Race, education, marital status, perceived health, current infection status, smoking family member, smoking status, past cancer, diagnosis, arthritis, age, average nightly sleep duration OR Q1 vs. Q4 Men 0.92; 95% CI 0.61, 1.37. Women 0.77; 95% CI 0.60, 1.00
Bergman 2017 [62] US Cross-sectional Adults NHANES III, 2007–2012, 20–80 years 11,592, 939 cases Two 24-hDR DII Q. PHQ-9 ≥ 10 Logistic regression Age, sex, ethnicity, poverty income ratio, employment, health insurance, education, marital status, BMI, smoking, physical activity, sedentary time, vitamin supplements use, energy intake, menopause, comorbidity (hypertension, hyperlipidemia, diabetes, CVD, respiratory illness, cancer) OR Q1 vs. Q5 0.44; 95% CI 0.31, 0.63
Philipps 2017 [63] Ireland Cross-sectional Adults Cork&Kerry Diabetes and Heart Disease Study, 50–69 years 1992 127-item EPIC FFQ DII Q. CES-D-20 ≥ 16 Logistic regression Age, sex, BMI, physical activity, smoking, alcohol consumption, antidepressant use and history of depression OR T1 vs. T3 men 1.28; 95% CI 0.61, 2.78. Women 0.45; 95% CI 0.23, 0.87
Shivappa 2017 [64] Iran Cross-sectional Adolescents Iranian adolescent girls, 15–18 years 299, 84 cases 168-item FFQ DII Q. DASS-21 > 9 Logistic regression Age, total energy intake, physical activity, marital status, income, smoking, BMI, chronic disease OR T1 vs. T3 0.29; 95% CI 0.11, 0.75
Other diet quality indices
Collin 2016 [69] France Cohort 13 years Adults SUVIMAX, 49.5 years 3328, 340 cases ~10, 24-hDR over 2 years mPNNS-GS French guidelines Outcome: Q. chronic depressive symptoms defined as CES-D-20 ≥ 16 at baseline and follow up. Baseline: A. Exclusion of antidepressant use. Logistic regression Age, sex, energy intake, education, marital status, tobacco, supplementation group, number of 24 h DR, baseline BMI and physical activity OR Q4 vs. Q1 0.51; 95% CI 0.35, 0.73
Adjibade 2018 [51] France Cohort 5.9 years Adults NutriNet-Santé, 2009–2018, 18–86 years. Men 53.0 years, women 45.5 years 26,225, 2166 cases ~8, 24-hDR over the first 2 years mPNNS-GS French guidelines Follow-up: Q. Men CES-D-20 ≥ 17; women CES-D-20 ≥ 23 Baseline: Q, A. Exclusion depressive symptoms (same CES-D cutoffs) or antidepressant use. Cox proportional hazards model Age, sex, marital status, educational level, occupational categories, household income, residential area, energy intake without alcohol, number of 24hs and inclusion month, smoking, physical activity, BMI, health events during follow-up HR T3 vs. T1 0.80; 95% CI 0.72, 0.90. HR per 1 SD increase 0.92; 95% CI 0.87, 0.96
PANDiet HR T3 vs. T1 0.88; 95% CI 0.79, 0.98. HR per 1 SD increase 0.95; 95% CI 0.91, 0.99
DQI-I HR T3 vs. T1 0.79; 95% CI 0.70, 0.88. HR per 1 SD increase 0.91; 95% CI 0.87, 0.95
Lai 2017 [77] Australia Cohort 9 years Adults ALSWH, Women 45–50 years 7877, 2841 cases DQES ARFS Follow-up: Q. CES-D-10 ≥ 10. Baseline: A. Exclusion self-report depression Logistic regression Area of residence, marital status, income, education, smoking, physical activity, anxiety/nervous disorder OR T3 vs. T1 0.94; 95% CI 0.83, 1.00
Lai 2016 [46] Australia Cohort 12 years Adults ALSWH, Women 45–50 years 11,046 DQES ARFS Follow-up and baseline: Q. CES-D-10 continuous Adjustment for baseline depression (no exclusion) Linear mixed model Area of residence, marital status, income, education, smoking, physical activity, self-reported physician diagnosis and use of antidepressants Q5 vs. Q1 β = −0.23; 95% CI −0.47, 0.01
Espana Romero 2013 [70] US Cohort 6.1 years Adults Aerobics Center Longitudinal Study, 47 years 5110, 641 cases 3 day food record AHA diet goals. 4 items: F&V, fish, sodium, wholegrain Follow-up: Q. CES-D-30 ≥ 8. Baseline: C. Exclusion previous mental disorder Logistic regression Age, sex, baseline year, heavy alcohol intake, other ideal components: smoking, BMI, physical activity, total cholesterol, blood pressure, fasting plasma glucose OR ideal (3–4) vs. poor (0–1) 0.58; 95% CI 0.37, 0.92
Gall 2016 [71] Australia Cohort 5 years Adults Childhood Determinants of Adult Health (CDAH), 31.7 years 1233, 203 cases 127-item FFQ Australian Dietary Guideline Index C. Composite International Diagnostic Interview diagnosis of major depression. Outcome: first episode vs. no new episode (may include history of mood disorder before baseline) Log multinomial regression Age, sex, education, physical health related quality of life, history of CVD or diabetes, oral contraceptive use, area-level SES, social support, parental status RR Q4 vs. Q1–Q3: 0.71; 95% CI 0.39, 1.3
Sanchez Villegas 2015 [48] Spain Cohort 8.5 years Adults SUN, 37.5 years 15,093, 1051 cases 136-item FFQ Pro-vegetarian food pattern Follow-up: C, A. Self-reported doctor diagnosis or habitual use of antidepressant. Baseline: C, A. Exclusion antidepressant use or previous clinical diagnosis Cox proportional hazards model Age, sex, BMI, smoking, physical activity, vitamin supplements, energy intake, chronic disease at baseline HR Q5 vs. Q1 0.78; 95% CI 0.64, 0.93
Voortman 2017 [79] Netherlands Cohort 13.5 years Adults Rotterdam Study, 64.1 years 6217, 1686 cases 389-item FFQ Dutch Dietary Guidelines 2015 Follow-up: C, A. Self-reported history of depression, psychiatric examination (CES-D + semi-structured clinical interview), medical records, antidepressant. Baseline: C. Exclusion prevalent disease Cox proportional hazards model Cohort, age, sex, education, employment, smoking, physical activity and energy intake HR Q5 vs. Q1 0.89; 95% CI 0.76, 1.04
Jacka 2010 [75] Australia Cross-sectional Adults Geelong Osteoporosis Australia, Women 20–94 years 1046, 60 cases 74-item FFQ ARFS C. Structured clinical interview for DSM-IV-TR Logistic regression Age, socioeconomic status, education, physical activity, alcohol, smoking, energy intake OR z-score, 0.85; 95% CI 0.62, 1.13
Q. GHQ-12 continuous Linear regression As above β = −0.08; 95% CI −0.14, -0.01
Jacka 2011 [74] Norway Cross-sectional Adults Hordaland Health study 1997, 46–74 years Men 2477, 230 cases. Women 3254, 281 169-item FFQ DQS 6 items Q. HADS-D-7 ≥ 8 Logistic regression Age, income, education, physical activity, smoking, alcohol, energy intake OR z-score Men 0.83; 95% CI 0.70, 0.99. Women 0.71; 95% CI 0.59, 0.84
Sakai 2017 [78] Japan Cross-sectional Three-generation Study of Women on Diets and Health, Adolescenst 18 years. Adults 47.9 years Adolescent 3963, 871 cases. Adults 3833, 643 cases DHQ Japanese DQS 7 items Q. CES-D-20 ≥ 23 Logistic regression BMI, smoking, medication use, self-reported stress, dietary reporting status, physical activity, energy intake OR Q5 vs. Q1 Adolescents 0.67; 95% CI 0.49, 0.92. Adults 0.55; 95%CI 0.4, 0.75
Gomes 2017 [72] Brazil Cross-sectional Adults Pelotas, 60 years+ Men 508, 50 cases. Women 870, 161 cases FFQ EDQ-I Q. Brazilian GDS-10 ≥ 5 Logistic regression Age, marital status, education, economic class, leisure time physical activity, current smoking, alcohol intake OR T1 vs. T3 Men 3.78; 95% CI 1.35, 10.57. Women 2.13; 95%CI 1.35, 3.33
Huddy 2016 [73] Australia Cross-sectional Adults Melbourne InFANT Extend Program, Women 19–45 years 437, 151 cases 137-item FFQ Australian Dietary Guideline Index Q. CES-D-10 ≥ 10 Linear regression Age, education, smoking, physical activity, television viewing, sleep quality, BMI 1 point increase β = −0.034; 95%CI −0.056, −0.012
Kronish 2012 [76] US Cross-sectional Adults REGARDS 2003–2007, 65 years 20,093, 1959 cases 109-item FFQ 5 items: fish, F&V, sodium, sugar, fiber/carb Q. CES-D-4 ≥ 4 Poisson regression Age, race, sex, region of residence, income, education Prevalence ratio < 2 vs. ≥ 2 1.08; 95% CI 1.06, 1.10
Rius-Ottenheim 2017 [44] Netherlands Cross-sectional Adults Alpha Omega, 72.2 years Patients with a history of myocardial infarction 2171 203-item FFQ DHNaFS DUNaFS Q. GDS-15 continuous Linear regression Age, sex, education, marital status, physical activity, BMI, high alcohol use, smoking, antidepressants use, family history of depression, self-rated health, chronic disease, treatment group continuous, β = −0.108 p < 0.001; continuous, β = −0.002 p = 0.93

Country: UK United Kingdom, US United States of America

Study: ALSWH Australian Longitudinal Study on Women's Health, HANDLS Healthy Aging in Neighborhoods of Diversity across the Life Span; InFANT Infant Feeding, Activity, and Nutrition Trial, MEDIS MEDiterranean ISlands study, NHANES National Health and Nutrition Examination Survey, REGARDS Reasons for Geographic and Racial Differences in Stroke, ROOTS adolescents from Cambridgeshire and Suffolk recruited through secondary schools, SEPAHAN Studying the Epidemiology of Psycho-Alimentary Health and Nutrition, SUN Seguimiento Universidad de Navarra, SUVIMAX Supplementation en Vitamines et Mineraux study

Dietary instrument: 24h DR 24-hour dietary recall, DHQ diet history questionnaire, DQES dietary questionnaire for epidemiological studies, FFQ food frequency questionnaire

Dietary score: MDS Mediterranean Diet Score, rMED relative Mediterranean Diet Score, aMED alternative Mediterranean Diet Score, AHEI Alternative Healthy Eating Index, HEI Healthy Eating Index, DASH Dietary Approaches to Stop Hypertension, DII, Dietary Inflammatory Index, mPNNS-GS modified score to the French dietary guidelines (PNNS-Guideline Score), AHA, American Heart; Association, ARFS Australian Recommended Food Score, DGI, Dietary Guidelines Index, DQI-I, Diet Quality Index International, DQS diet quality score, DHNaFS Dutch Healthy Nutrient and Food Score, DUNaFS Dutch Undesirable Nutrient and Food Score, EDQ-I Elderly Dietary Quality Index, PANDiet Diet Quality Index based on the probability of adequate nutrient intake

Depression assessment: Q questionnaire, C clinical, A antidepressant use, BDI Beck Depression Inventory, CES-D Center for Epidemiological Studies Depression scale (followed by number of items in the scale), DASS Depression Anxiety and Stress Scale, DSM-IV-TR Diagnostic and Statistical Manual of Mental Disorders, GDS Geriatric Depression Scale, GHQ-12 General Health Questionnaire 12 items, HADS(-D) Hospital Anxiety and Depression Scale (Depression subscale), K10 Kessler Psychological Distress Scale, MFQ Moods and Feelings Questionnaire (range 0–66), PHQ-9 Patient Health Questionnaire 9 item depression module

Adjustment: BMI body mass index, CAD coronary artery disease, CVD cardiovascular disease, HDL high-density lipoprotein, PIR poverty-to-income ratio, SES socioeconomic status

Measure of association: OR odds ratio, HR hazard ratio, RR risk ratio, 95% CI 95% confidence interval, T tertile, Q4 quartile, Q5 quintile