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Table 1 Overview of included studies (N = 29)

From: Pooled prevalence of food away from home (FAFH) and associated non-communicable disease (NCD) markers: a systematic review and meta-analysis

No

Study

Study design

Sampling method

Study location

Sample size (N)

Participants

Prevalence of FAFH (%)

FAFH recall period

1

Naska et al. [20]

Prospective cohort study

Random sampling

10 western European countries

(Denmark, France, Germany, Greece, Italy, The Netherlands, Norway, Spain, Sweden, and the UK)

24,310

(M-8712; W-15598)

35–74-year-old men and women

42.3

24 h recall for 1 day

2

Anderson et al. [21]

Digit-dialed telephone surveys

Random sampling

USA

4311

(M-1680; W-2631)

18–64-year-old men and women

28

30 days

3

Choi et al. [35]

Empirical study

Stratified systematic cluster sampling

South Korea

1070

Women above 20 years age

30.4

1 month

4

Larson et al. [36]

Observational study

Not mentioned

USA

2287

(M-1030; W-1257)

20–31-year-old men and women

95

7 days

5

Fulkerson et al. [22]

Cross-sectional study

Convenience sampling

USA

1446

(723 adolescents; 723 parents)

11–16-year-old boys and girls

38.4

7 days

6

Smith et al. [37]

Cohort study

Not mentioned

Australia

1896

(M-914; W-982)

26–36-year-old men and women

92.3

7 days

7

Odegaard et al. [11]

Cohort study

Not mentioned

Singapore

43,176

45–74-year-old men and women

40.2

24 h recall for 1 day in past 1 month

8

Buscemi et al. [23]

Observational, Cross-sectional study

Random sampling

Italy

1035

18–90-year-old men and women

85.6

30 days

9

Cahill et al. [24]

Prospective cohort study

Not mentioned

USA

111,631

(M-40789; W-70842)

40–75-year-old men and 30–55-year-old women

54.4

7 days

10

Payab et al. [38]

Empirical study

Cluster sampling

Iran

14,880

6–18-year-old boys’ old girls

25

7 days

11

Bezerra et al. [39]

Empirical study

Random sampling

Brazil

13,736

25–65-year-old men and women

42.7

24 h recall for 2 days

12

Kant et al. [25]

Cross-sectional study

Not mentioned

USA

8314

(M-4070; W-4244)

Men and women above 20 years age

85

7 days

13

Seguin et al. [40]

Cross-sectional study

A stratified random sampling

USA

2001

Men and women above 18 years age

50

7 days

14

Tian et al. [26]

Empirical study

A multistage, random cluster sampling

China

10,633

(M-5084; W-5549)

18–65-year-old men and women

36.5

[30 (in 2004) 43 (in 2011)]

24 h recall for 3 consecutive days

15

Demmler et al. [27]

Cross-section, observational study

Random sampling

Kenya

550

Men and women above 18 years age

53

30 days

16

Dong et al. [28]

Longitudinal cohort study

A multistage, random cluster sampling

China

9454

(3875 children, 2947 mothers, and 2632 fathers)

7–17-year-old children and their parents

42.6

24 h recall for 3 consecutive days (7 days total)

17

Kant and Graubard [29]

Prospective cohort study

Probability sampling

USA

9107

Men and women above 40 years age

90

7 days

18

McClain et al. [41]

A community-based cohort study

A stratified 2-stage probability sample

USA

16,045

18–74-year-old men and women

67.5

24 h recall for 2 consecutive days

19

Zeng and Zeng [43]

Longitudinal cohort study

A multistage, random cluster sampling

China

26,244

18–60-year-old men and women

11

[9.40 (in 2004); 9.89 (in 2006); 11.34 (in 2009); 13.95 (in 2011)]

24 h recall for 3 consecutive days

20

Cunha et al. [42]

Cross-sectional study

Not mentioned

Brazil

5266

10–19-year-old boys and girls

20

24 h recall for 2 consecutive days

21

Choi et al. [30]

Cross-sectional study

Not mentioned

South Korea

640

(M-320; W-320)

20–69-year-old men and women

53.3

24 h recall for 2 days at 3-day interval (weekdays)

22

Liu et al. [44]

Cross-sectional study

Not mentioned

China

8322

(M-3878; W-4444)

Men and women above 18 years age

37.4

24 h recall for 3 consecutive days

23

Wang et al. [31]

Longitudinal cohort study

Not mentioned

China

4518

(M-2441; W-2077)

Men and women above 18 years age

28

24 h recall for 3 days within a week

24

Wang et al. [45]

Cross-sectional study

A multistage, random cluster sampling

China

29,910

18–79-year-old men and women

12.3

7 days

25

Du et al. [32]

Prospective cohort study

A stratified multistage probability sampling

USA

35,084

Men and women above 20 years age

75.9

7 days

26

Chen et al. [46]

Cross-sectional study

Probability random sampling

China

3489

Men and women above 18 years age

19.9

(23.6 in men, and 16.9 in women)

24 h recall on 3 consecutive days

27

Zheng et al. [33]

Cohort study

A stratified cluster sampling

China

3313

7–17-year-old children

80.1

90 days

28

Ma et al. [47]

Cross-sectional study

A multistage stratified sampling

China

15,261

(B-7685; G-7576)

6–17-year-old children

23.2

7 days

29

Cui et al. [34]

Cohort study

A stratified, multistage probability sampling

China

29,597

(M-12088; W-17509)

18–79-year-old men and women

12.4

7 days