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. 2023 Nov 14;2023(11):CD013303. doi: 10.1002/14651858.CD013303.pub2

13. PROGRESS‐plus framework.

PROGRESS Plus Health literacy
Study1 Place of residence; time living in host country Race/ethnicity/culture/language Occupation Gender Religion Education Socioeconomic status, social capital Age, sexual orientation, disability, migrant status Assessment tool, range
Bailey 2012
(No. analysed = 202)
  • Urban, USA

  • 17 (0.7)*

  • Chinese, Korean, Russian, Spanish, Vietnamese

  • Primary languages: Chinese, Korean, Russian, Spanish, Vietnamese

  • 62.2% female

  • 19.8% < 9 years, 14.4% 9 to 11 years, 29.2% 12 years or GED, 14.9% some college, 21.8% ≥ college graduate

  • Annual income: 44.7% < USD 10,000, 36.7% USD 10,000 to USD 19,999, 18.6% ≥ USD 20,000

  • 63.6 (0.91)*, range 18 to 85

  • The sample included participants with prescribed medication in the past year; medication use 4.5 (0.2)*

Bloom 2014
Total N = 230
  • Urban, USA

  • Afghan

  • Farsi, Pashto

  • 100% female

  • Muslim

  • Low literacy, no further details

  • ≥40 years

  • Many with family history of breast cancer

Calderón 2014
(Total N = 240)
  • Urban, USA

  • Latino

  • Spanish

  • 81.7% female

  • 86.7% < high school, 13.3% ≥ high school

  • Annual income: 75.6% < USD 10,000, 24.4% ≥ USD 10,000

  • Health insurance: 31.3% insured

  • 20.7% 18 to 39 years, 88.6% 40 to 60 years, 20.7% > 60 years

  • Participants sought health care at a clinic; 79% self‐reported fair or poor general health status

  • S‐TOFHLA, 0 to 36; 58.0% 0 to 16 (inadequate HL), 8.0% 17 to 21 (marginal HL), 34.0% 22 to 36 (adequate HL)

DeCamp 2020
(Total N = 157)
  • Urban, USA

  • 7.3 (5.3)*

  • Latino

  • Spanish

  • 79.0% spouse or partner employed

  • 40.8% ≤ 8th grade, 26.1% some high school, 33.1% high school or greater

  • Annual income: 42.7% < USD 20.000, 24.2% USD 20.000 to USD 30.000, 7.6% > USD 30.000, 19.1% did not report or unknown

  • Health insurance: all children publicly insured

  • 20.3% single, 79.6% spouse or partner

  • 29.3 (6.2)*

  • NVS, 0 to 6; 48.4% 0 to 1 (limited HL), 38.2% 2 to 3 (marginal HL), 13.4% 4 to 6 (adequate HL)

  • English proficiency was assessed using the US Census Bureau question "How well do you speak English?", overall results not reported

Elder 1998
(No. only Latinos = 341)
  • Urban, USA

  • 45.0% < 3 y

  • Latino (86.7%), European, Asian, others

  • Spanish

  • Students in English as second language classes

  • 51.0% female

  • 48.0% ≥ 9 y, 9.8 (3.7)*

  • Monthly income: 66.7% < USD 1099

  • 33.3% married

  • 28.7 (9.8)*

Gwede 2019
(Total N = 76)
  • Urban, USA

  • 23.4* for those born outside the USA (n = 71)

  • Hispanic/Latino

  • Spanish

n = 75
  • 52.6% employed, 40.8% not employed, 4.0% retired, 1.0% student

  • 67.1% female

  • 43.4% elementary or less, 18.4% some high school, 17.1% high school graduate, > 21.0% high school

n = 70
  • Annual income: 44.3% < USD 10,000, 55.1% ≥ USD 10,000

  • Health insurance: 25.5% insured

  • 69.7% married/living together, 13.1% divorced/separated, 7.9% widowed, 9.2% never married/single

  • 57.2 (6.0)*, range 50 to 74

  • Participants received care at a clinic

  • SILS, 0 to 5; 47.4% always difficult reading written materials, 52.6% not always difficult reading written materials, 75.0% very confident in completing health forms, 25.0% less than very confident in completing health forms

Han 2017
(Total N = 560)
  • Urban, USA

  • 15.4 (9.7)*, range 1 to 62

  • Korean Americans

  • English proficiency: 40.5% not at all or poor, 36.1% fair, 23.4% fluent

  • 57.9% working full/part‐time, 42.1% unemployed, retired or other

  • 100% female

  • 35.2% high school graduate or less, 64.8% some college or more

  • 26.4% very comfortable or comfortable, 34.5% just OK, 39.5% uncomfortable or very uncomfortable

  • Health insurance: 37.9% insured

  • 85.5% married or partnered, 11.1% separated, widowed or divorced, 3.4% never married

  • 46.1 (8.5)*

  • 5.4% family history of breast cancer

  • AHL‐C, 0 to 52; 20.9*

Hernandez 2013
(Total N = 146)
  • Urban, USA

  • 7.7% < 5 y; 34.0% 6 to 10 y, 57.7% > 10 y

  • Latinas (78.8% Mexican, 21.1% other)

  • 82.3% not bilingual

  • 33.8% employed

  • 100% female

  • 36.6% grade school, 25.3% middle school, 14.0% some high school, 10.5% high school or GED, 10.5% some college or beyond

  • Annual income: 69.7% < USD 19,000, 19.0% USD 20,000 to USD 30,000, 11.2% > USD 30,000

  • Health insurance: 45.0% insured

  • 58.4% married, 24.6% living with partner, 7.7% never married, 9.1% divorced or widowed

  • Range 18 to 55

  • At risk for depression

  • S‐TOFHLA, 0 to 36; 28.1% 0 to 16 (inadequate HL), 12.6% 17 to 21 (marginal HL), 59.1% 22 to 36 (adequate HL)

Kaur 2019
(Total N = 140)
  • Urban, Canada

  • Punjabs

  • Punjabi

  • 63.6% full‐time workers (including 14.3% self‐employed), 5.0% part‐time workers, 1.4% occasional workers, 22.1% homemakers, 2.9% unemployed

  • 60.0% female

  • 37.7% college/technical education, 26.8% university education; 35.5% high school or less

  • Annual income: 52.1% CAD 0 to 49,999, 19.3% CAD 50,000 to 89,999, 6.4% CAD 90,000+, 20.7% unknown

  • Health insurance: 72.9% insured

  • 26.4% 18 to 31 y, 46.4% 32 to 45 y, 27.1% 46 to 60 y; range 18 to 60

  • TS‐REALD

Kheir 2014
(Total N = 123)
  • Urban, Qatar

  • Time in Arabic speaking country: 4.6 to 6.1 y

  • Asians

  • 0.8% Malayalam, 16.3% Nepal, 1.6% Urdu, 8.9% Tagalog, 22.8% Bangla, 49.6% other

  • Level of English: 13.8% good, 16.3% average, 94.3% poor

  • Workers at Qatar Petroleum Company

  • 100% male

  • Years of schooling: 6.1 (3.4)*

  • Each participant received QR 50 (equivalent to about USD 14), translating to 2 to 3 days average wage

  • 32.1 (8.5)*

Kim 2009
(No. analysed = 79)
  • Urban, USA

  • 53.2% > 20 y

  • Korean Americans

  • Korean

  • 70.3% employed

  • 44.3% female

  • 48.1% higher level of education

  • Annual income: 59.2% > USD 40.000

  • 87.3% married

  • 56.4 (7.9)*

  • Type 2 diabetes

Kim 2014
(No. analysed = 369)
  • Urban, USA

  • 25.0 (11.0)*

  • Korean Americans

  • Korean

  • 69.9% female

  • 37.4% ≤ middle school graduate, 28.2% high school graduate, 34.4% ≥ some college

  • Health insurance: 82.7% insured

  • 70.9 (5.3)*

  • Diagnosed with hypertension for 9.6 (8.8)* years; 85.4% reported being on antihypertension; 46.3% had successfully controlled hypertension (BP < 140/90 mmHg or < 130/80 mmHg for diabetes patients)

  • HBP‐HLS, 0 to 43; 24.6*

Kim 2020
(No. analysed = 209)
  • Urban, USA

  • 23.8 (11.0)*

  • Korean Americans

  • Korean

  • 59.3% working full/part‐time

  • 43.1% female

  • Years of education: 13.4 (3.0)*

  • Monthly income, mean (SD): USD 3780 (3411)*, 63.2% own housing, 67.7% comfortable living

  • Health insurance: 50.2% insured

  • 89.5% married, family size, persons: 3.0 (1.2)*

  • 58.7 (8.4)*

  • Type 2 diabetes

  • REALM, 0 to 66; 32.1 (1.5)***, indicating 6th grade reading level

  • DM‐REALM, 0 to 88; 51.3 (1.7)***, 7.3 points above the scale’s midpoint

  • Comprehension scale, 0 to 28; 15.3 (0.6)***

  • S‐TOFHLA, numeracy subscale, 0 to 7; 4.2 (0.2)***

  • NVS, 0‐6; 1.7 (0.1)***

Kiropoulos 2011
(Total N = 202)
  • Urban, Australia

  • 43.8 (9.0)*

  • Greeks and Italians

  • Participants rated their English proficiency "good" for simple situations and "poor/fair" for more difficult situations

  • 5.0% never worked, 57.9% unskilled, 31.2% tradesperson/clerical, 4.0% manager/professional, 28.2% working now, 70.8% are not working now

  • 71.3% female

  • 15.3% no/incomplete primary, 42.1% completed primary, 24.3% some secondary school, 9.9% all secondary school, 8.4% some/completed tertiary

  • 28.2% married,71.8% not married, 14.9% living with spouse, 52.0% living with children, 24.8% living with other relatives, 14.4% currently living alone, 85.6% not currently living alone

  • 65.4 (8.57)*

  • Depression

  • D‐Lit, 0 to 22; 9.5*

Koniak‐Griffin 2015
(Total N = 223)
  • Urban, USA

  • 18.6 (8.3)*

  • Latinas

  • Spanish

  • 74.6% unemployed

  • 100% female

  • 52.5% ≤ 8th grade, 33.6% 9th to 12th grade, 12.6% ≥ 13 years

  • Annual income: 54.7% ≤ USD 20,000, 28.7% USD 20,001 to 40,.000, 16.6% USD 40,001 to 75,000

  • Health insurance: 31.8% insured

  • 72.2% married/living with a partner, 27.8% divorced/widowed/single

  • 44.6 (7.9)*

  • 6.3% diabetes (clinical data), 12.1% hypertension ((BP ≥ 140/90, self‐report); 25% felt depressed or "bothered by loss of interest", 22.0% both

Lepore 2012 (No. analysed = 431 for survey data, N = 490 for medical claims data)
  • Urban, USA

  • Black African descent (77.4% Caribbean)

  • 100% male

N = 490
  • 31.3% < high school degree, 31.8% high school degree, 36.9% college education or degree

  • "all had a primary care physician and access to health insurance that covered prostate cancer tests."

  • 83.7% married

  • 55.04 (6.29)*

Mohan 2014
(No. analysed = 200)
  • Urban, USA

  • Latinos

  • 99.5% of patients identified Spanish as their primary language spoken at home

  • 69.5% female

  • 29% at least high school education, years of education: 8*

  • 50*

  • Diagnosis of diabetes in the medical chart; prescription of at least 1 chronic medication

  • BHLS, 3 to 15; 10.4*

Ochoa 2020
(No. analysed = 109)
  • Urban, USA

  • 25.12*

  • Latinas

  • English‐speaking proficiency: 29.4% very well/well, 70.6% not very well/not at all; English reading proficiency: 35.6% very well/well, 64.4% not very well/not at all; English writing proficiency: 31.0% very well/well, 69.0% not very well/not at all

  • 100% female

N = 232
  • 49.8% < high school, 31.25% high school, 19.0% some college degree

N = 232
  • Annual income: 41.6% < USD 20,000, 35.4% USD 20,000 to < 40,000, 16.05% USD 40,000 to < 60,000, 6.9% ≥ USD 60,000

  • Health insurance: 73.45% insured

  • 78.95% married/living with partner, 10.7% separated/divorced/widowed, 10.35% never married (single)

  • Range 25 to 45

  • Health status: 1.4% very poor or poor, 13.2% fair, 3.8% good, 17.65% very good, 30.9% excellent

Otilingam 2015
(Total N = 100)
  • Urban, USA

  • 34.3*

  • Latinas

  • Language preference Spanish: 78.0%

  • 100% female

  • (Highest degree): 41.0% none or elementary, 35.0% high school, 10.0% community/technical college, 14.0% college

  • Annual family income: 39.0% < USD 20,000/year

  • Number of children living at home < age 17: 2.1*

  • 58.9*, range 48 to 84

n = 73
  • NVS, 0 to 6; 1.39* (wait‐list control II post‐test only)

Payán 2020
(No. analysed = 193)
  • Urban, USA

  • 69.9% ≥ 15 y (N = 240)

  • Latinas

  • English proficiency: 4.2% very well, 13.8% well, 31.3% not well, 28.3% almost none, 22.5% not at all well (N = 240)

  • 100% female

N = 240
  • 64.2% ≥ 6th grade level of education

N = 240
  • Annual household income: 93.4% < USD 30,000

  • Health insurance: 79.6% insured

  • 46.8% married, 30.5% separated, 22.7% single

  • 52.3 (8.8)*, range 35 to 72

Poureslami 2016a
(No. analysed = 85)
  • Urban, Canada

  • Participants had immigrated to Canada within the past 5 y

  • Chinese and Punjabs

  • 49.0% Chinese; 51.0% Punjabi

  • 21.2% employed, 29.4% unemployed, 43.5% retired, 5.9% volunteer job

  • 50.6% female

  • 17.6% never attended formal school, 24.7% completed elementary school, 34.1% completed high school, 23.5% post‐high school education

  • 62.9 (15.3)*, range 21 to 87

  • Asthma

Poureslami 2016b
(Total N = 91)
  • Urban, Canada

  • Participants immigrated within the past 12 y at the time of the study (inclusion criterion)

  • Chinese

  • 19.8% Mandarin, 80.2% Cantonese

  • 21.9% female

  • 46.2% low education, 53.8% high education

  • 40.7% ≤ 75 years, 59.3% > 75 years; 75**

  • Chronic obstructive pulmonary disease (COPD)

Rosal 2005
(No. analysed = 25)
  • Urban, USA

  • Hispanic (Puerto Rican)

  • 95% spoke Spanish only

  • 24.0% housewife, 20.0% disabled, 4.0% unemployed, 4.0% never worked, 48.0% pension

  • 80.0% female

  • 50.0% ≤ 5th grade, 24.0% 6th to 8th grade, 24.0% 9th to 12th grade

  • Annual income: 84.0% ≤ USD 10,000/per year, 16.0% USD 10,001 to 20,000

  • Health insurance: 40.0% Medicaid only, 60.0% Medicaid and supplemental

  • 62.6 (8.6)*, range 45 to 82

  • Type 2 diabetes; perceived health: 4.0% excellent, 4.0% very good, 8.0% good, 72.0% fair, 12.0% poor; years with diagnosed diabetes 8.2 (5.8)*, 16.0% diabetes related complications, 84.0% 1 complication, 84.0% ≥ 1 family member with diabetes

Rosal 2011
(Total N = 252)
  • Urban, USA

  • (Caribbean) Latinos

  • 93.3% monolingual Spanish; language chosen for assessment Spanish 100%

n = 230
11.3% working full or part‐time, 3.5% unemployed/looking for a job,
61.7% disabled, 10.9% retired, 12.6% housewife
  • 76.6% female

  • 28.0% ≤ 4th grade, 28.0% 5th to 8th grade, 19.2% 9th to 12th grade (not high school graduate), 24.8% ≥ high school

  • Annual income: 55.3% < USD 10,000

  • Health insurance: 89.3% public insurance, 6.0% commercial insurance, 2.8% free care, 2.0% no insurance

  • 25.8% married or living with partner, 39.0% divorced/widowed/separated, 25.2% never married

  • 16.3% 18 to 44 y, 29.8% 45 to 54 y, 32.9% 55 to 64 y, 21.0% ≥ 65 y

  • Documented diagnosis of type 2 diabetes; HbA1c (previous 7 months) ≥ 7.5%

Soto Mas 2018
(Total N = 181)
  • Urban, USA

  • 2.2% < 1 y (n = 4); 12.7% 1 to 3 y (n = 23); 8.3% 4 to 7 y (n = 15); 70.2% 8 y or more (n = 127); 6.6% missing (n = 12)

  • Latino

  • Spanish

  • 79.0% female

n = 155
  • 5.2% elementary school, 11.7% middle school, 40.9% high school, 18.8% associate/technical degree, 20.1% bachelor's degree, 1.9% master's degree, 1.3% doctoral degree

n = 155
  • 9.0% 20 to 30 years, 38.7% 31 to 45 years, 52.3% ≥ 46

n = 155
  • TOFHLA, 0 to 100; 62.7*

Sudore 2018
(No. of Spanish‐speaking participants = 445)
  • Urban, USA

  • 26*

  • 98.9% White Latino or Hispanic, 0.2% White non‐Latino or Hispanic, 0.9% Multiethnic or other

  • Spanish

  • 72.0% female

49.9% fairly to extremely religious, 59.6% fairly to extremely spiritual
  • 83.6% ≤ high school

  • 27.4% not enough to make ends meet, financial social standing (1 to 10 score): 5.6*

  • Measure of social support score (total, 11 to 55): 36.7*, 37.5% in a marriage or long‐term relationship, 88.8% have adult children, 98.0% have a potential surrogate

  • 64*

  • Self‐rated health: 57.1% reported fair to poor health

  • S‐TOFHLA, 0 to 36; 60.9% limited HL

Taylor 2011
(Total N = 180)
  • Urban, Canada

  • Years since immigration: 45.0% < 2 y; 55.0% ≥ 2

  • Asian

  • Cantonese, Farsi, Korean, Mandarin, Punjabi

  • 68.0% female

  • 65.0% < 16 years, 35.0% ≥ 16 years

  • 86.0% currently married, 14.0% not currently married

  • Age: 46.0% < 40 years, 54.0% ≥ 40 years

Thompson 2012
(Total N = 170)
  • Urban, USA

  • 6.05* (n = 158)

  • Latinos

  • Spanish

  • 92.5% female

n = 159
  • 41.0% < 6 y, 51.0% 7 to 12 y, 8.0% some or all of university degree

  • Income: "low‐income" population

  • Health insurance: "More than 95% of clinic patients are publicly insured"

  • 27.55*

Tong 2017
(Total N = 329)
  • Urban, USA

  • 15.4 (9.7)*, range 1 to 62, 83.6% > 10 years, 16.4% ≤ 10 years

  • Hmong Americans (born in Laos)

  • 89.4% speak only Hmong at home, 70.5% speak English poorly or not at all

  • 90.9% not employed

  • 74.2% female

  • 88.8% no formal education

  • Annual income: 53.8% < USD 20,000, 4.0% USD 20,000 or more, 42.2% don't know/missing

  • Health insurance: 95.1% insured

  • 65.3% married or living with a partner

  • 60.4*

Unger 2013
(No. analysed = 139)
  • Urban, USA

  • 43.2% 11 y or more, 18.7% 6 to 10 y, 13.7% 1 to 5 y, 5.8% less than 1 y, missing 2.9%

  • Hispanics/Latinos

  • Language spoken at home: 28.1% only Spanish, 38.1% mostly Spanish, 27.3% English and Spanish equally, 4.3% mostly English, 1.4% only English, 0.7% missing

  • 47.5% female

  • 62.6% less than high school, 37.4% high school or more

  • 35.8 (12.9)*, range 18 to 90

Valdez 2015
(Total N = 708)
  • Urban, USA

  • 93.6% foreign‐born); 14.9% < 5 y, 18.9% 6 to 10 y, 28.4% 11 to 15 y, 37.9% 16+ y

  • Latinos and Koreans

  • 49.7% Spanish, 43.8% Korean, 6.5% English

n = 707
  • 92.2% female

  • 19.6% < 6, 16.7% 7 to 11 years, 18.5% 12 years, 9.9% 13 to 15 years, 35.3% 16+

n = 707
  • 83.9% child has regular doctor

  • Number of children: 2.8*; 52.3% 1 to 2, 39.4% 3 to 4, 8.3% 5+; 72.7% married/living together

n = 691
  • 41.7*; 12.3% < 35 years, 22.3% 35 to 39 years, 34.6% 40 to 44 years, 17.2% 45 to 49 years, 11.2% 50+ years

Valdez 2018
(No. analysed = 727)
  • Urban, USA

  • 80.0% foreign‐born; 26.0% 1 to 5 y, 18.0% 6 to 10 y, 20.0% 11 to 15 y, 36.0% 16+ y (N = 943)

  • Latinas

  • Language of pre‐test: 73.0% Spanish, 7.0% English (N = 943)

  • 100% female

N = 943
  • 8.2 (3.8)*, 39.0% 1 to 6 years, 34.0% 7 to 11 years, 21.0% 12 years, 6.0% 13+ years

  • Inclusion criteria: annual household income of ≤ USD 24,680

  • Health insurance: 51.0% insured (N = 943)

  • 21.0% single, 43.0% married, 15.0% living together, 15.0% divorced/separated, 5.0% widowed; number of children: 3.0 (2.2)*; 10.0% no children, 14.0% one child, 21.0% two children, 22.0% three children, 15.0% four children, 18.0% 5+ children (n = 943)

  • 39.1 (11.8)*

  • Participants were recruited from a community clinic, where they had a clinic appointment independently from the study

van Servellen 2005
(No. analysed = 85)
  • Urban, USA

  • Latinos

  • Language spoken at home: 75.25% Spanish

  • 9.4% female

  • 81.0% < 12 years

  • Monthly income: 41.0% ≤ USD 500

  • 40.7*, range 21 to 78

  • 49.4% male‐to‐male sex risk factor

  • HIV

  • Modified REALM, 0 to 24; global recognition score 17.9*, global understanding score 13.1* (n = 81)

Wong 2020
(No. analysed = 39)
  • Urban, Singapore


  • Note: time working in Singapore: 9.45* (range 1 to 24 years)

  • Filipino

  • 100% foreign domestic workers

  • 100% female

n = 38
  • 71.85% Roman Catholic, 28.15% other Christian faith

n = 38
  • 72.0% completed high school (secondary) 4 years, 28.0% completed university

n = 38
  • 48.4% were single or never married, 25.8% were married, 25.8% were separated, divorced or widowed

  • 38.6 (6.3)*

  • At risk for depression

  • Foreign domestic workers, not protected under the Singaporean Employment Act

n = 37
  • DLQ, 22‐item, true/false questions, 0 to 22 (validated tool) Intervention group, mean: 11.06*

1Not all studies reported numbers on all participants randomised to either the intervention or control arm. Here we report the number of participants randomised, if not otherwise stated.

*Mean (SD), **Median (SD), ***Mean (SE)

Abbreviations:

AHL‐C: Assessment of Health Literacy in Cancer screening; BHLS: Brief Health Literacy Screen; BP: blood pressure; D‐Lit/DLQ: Depression Literacy Questionnaire; DM‐REALM: Diabetes‐specific Rapid Estimate of Adult Literacy in Medicine; GED: general educational development; HBP‐HLS: high blood pressure health literacy scale; HL: health literacy; NVS: newest vital sign; QR: Qatari riyal; REALM: Rapid Estimated of Adult Literacy in Medicine; SD: standard deviation; SILS: Single Item Literacy Screener; TOFHLA: Test of Functional Health Literacy in Adults; TS‐REALD: Two Stage Rapid Estimate of Adult Literacy in Dentistry; y: years