Table 5 Characteristics of analyzed systematic reviews among youth
From: Determinants of dietary behavior among youth: an umbrella review
Author and date | Search range applied | Number of eligible studies included in the review/total number of studies included in the review | Designs of studies | Total sample size of eligible studies included in the review/Total sample size of all studies included in the review | Ages | Continent |
|---|---|---|---|---|---|---|
Williams et al., 2014 [31] | Up to 2013 | 13/30 | Cross-sectional n = 12, longitudinal n = 1 | Total n = 570,403, range 610 to 529,367/Total n = 1,550,415 (26 studies, NR: 4 studies), range 319 to 926,018 | 11 to 17y | North-America n = 6, Europe n = 5, Australasia n = 1, Asia n = 1 |
Gardner et al., 2011 [17] | No date limits were set. | 4 studies (2 samples)/22 studies (21 samples) | Cross-sectional n = 4 | Total n = 695, range 312 to 383/Total n = 6,121, range 93 to 876 | High school students | Only Europe |
Pearson & Biddle, 2011 [19] | NR | 31 studies (240 samples (total), 33 samples (children), 207 samples (adolescents))/53 studies (111 samples) | Majority cross-sectional | NR/Children: mean n = 1,184, range 66 to 6,235, Adolescents: mean n = 8,356, range 60 to 14,407 | <12, 12 to 18y | Children: majority North-America n = 13, Adolescents: half North-America n = 13 |
Adriaanse et al., 2011 [15] | Up to 2009 | 1 study/21 research articles describing 23 empirical studies | Healthy eating: cross-sectional n = 1, prospective n = 3, interventions n = 11; Unhealthy eating: longitudinal n = 1, interventions n = 8 | NR/NR | 11 to 16y | NR |
McClain et al., 2009 [24] | From 1990 to 2009 | 50 studies/77 studies | Overall results: cross-sectional n = 64, prospective n = 11, interventions n = 2 | NR/<50 n = 4, 51–99 n = 1, 100–499 n = 39, 500–999 n = 15, 1000–2999 n = 14, 3000–4999 n = 3, ≥5000 n = 3 | <13, 13 to 18y | Overall results: North-America n = 48, Europe n = 32, Australasia n = 3, Africa n = 3, Asia n = 2, other n = 3 |
Van der Horst et al., 2007 [29] | From 1980 to 2004 | 36 studies (44 samples)/58 studies (77 samples) | Cross-sectional 95%, longitudinal 3%, case control 2% | NR/<100 n = 8, 100–199 n = 6, 200–299 n = 1, 300–499 n = 5, 500–999 n = 2, 1000–2999 n = 9; 3000–4999 n = 4, ≥5000 n = 2 | <13, 13 to 18y | North-America 45 samples, Europe 26 samples, Asia 4 samples, Oceania 2 samples |
Pearson et al., 2009 [25] | Up to 2008 | 24 studies (33 samples)/ 24 studies (33 samples) | Majority cross-sectional n = 23 | Children: mean n = 1,534, range 136 to 4,314. Adolescents: mean n = 2,533, range 357 to 18,177 | 6 to 18y | Majority Europe n = 12 (papers) |
De Craemer et al., 2012 [21] | From 1990 to 2010 | 6 studies/43 studies | Cross-sectional n = 35, longitudinal n = 6, cross-sectional and longitudinal n = 1, intervention n = 1 | NR/<100 n = 3, 100–999 n = 28, >1000 n = 12. Study sample sizes ranged from 46 to 5,652 | 4 to 6y | North-America n = 21, Europe n = 9, Australasia n = 12, Asia n = 1 |
Pearson et al., 2009 [26] | Up to 2007 | Total papers: n = 60. Children: 25 studies (33 samples). Adolescents: 38 studies (55 samples)/Total papers: n = 60. Children: 25 studies (33 samples). Adolescents: 38 studies (55 samples) | Majority cross-sectional n = 24. Children: cross-sectional n = 31, longitudinal n = 2; Adolescent: cross-sectional n = 55 , longitudinal n = 0 | Mean n = 1,131, range 536 to 8,263. Children (6-11y): < 100 n = 8, 100–199 n = 2, 200–299 n = 1, 300–499 n = 1, 500–999 n = 6, 1000–2999 n = 10, 3000–4999 n = 3, unknown n = 2; Adolescent (12-18y): < 100 n = 2, 100–199 n = 3, 200–299 n = 3, 300–499 n = 11, 500–999 n = 4, 1000–2999 n = 12, 3000–4999 n = 8, >5000 n = 10 | 6 to 18y Children: 6-11y Adolescents: 12-18y | Children: North-America n = 15, Europe n = 15, Australasia n = 1, South-America n = 1, Asia n = 2; Adolescent: North- America n = 23, Europe n = 16, Australasia n = 9, South-America n = 2, Asia n = 5 |
Verloigne et al., 2012 [30] | From 1990 to 2010 | 17 studies/76 studies | Cross-sectional n = 16, longitudinal n = 1 | 100-199 n = 1, 300–499 n = 1, 500–999 n = 5, 1000–2999 n = 5, 3000–4999 n = 2, ≥5000 n = 3/< 100 n = 3, 100–199 n = 9, 200–299 n = 6, 300–499 n = 10, 500–999 n = 17, 1000–2999 n = 20, 3000–4999 n = 5, ≥5000 n = 6 | 10 to 12y | North-America n = 9, Europe n = 4, Australasia n = 4 |
Ford et al., 2012 [22] | NR | 9 studies /12 studies | Cross-sectional n = 9 | Total n = 13,280, range 240 to 4,983/Total n = 13,386, range 106 to 4,983 | 2 to 6y | NR |
Caspi et al., 2012 [16] | Up to 2011 | 5 studies /38 studies | Majority cross-sectional, intervention n = 3 | NR/NR | Children5 to 6y, 10 to 12y, youth, boy scouts | North-America n = 4, Australasia n = 1 |
Moore & Cunningham, 2012 [18] | NR | 2 studies /14 studies | Cross-sectional n = 2 | Total n = 5,144, range 824 to 4,320/Total n = 94,230, range 51 to 64,277 | Preteens and 14 to 17y | NR |
Lawman & Wilson, 2012 [23] | From 1995 to 2010 | 11 studies /38 studies | Cross-sectional n = 8, longitudinal n = 3. | Total n = 21,865, range 228 to 4,746/Total n = 51,396, range 52 to 7,907 | 9 to 21y | North-America n = 32 |
Sleddens et al., 2011 [28] | Up to 2010 | 10 studies /36 studies | Cross-sectional: n = 9, longitudinal: n = 1 | Total n = 14,567, range 74 to 4,555/Total n = 35,146, range 48 to 4,983 | NR | North-America n = 5, Europe n = 5 |
Berge, 2009 [20] | From 2000 onwards | 48 studies /81 studies | Cross-sectional n = 39, longitudinal n = 8, intervention n = 11 | Total n = 190,270, range 23 to 99,426/Total n = 276,557, range 23 to 99,426 | 0 to 18y | NR |
Rasmussen et al., 2006 [27] | Up to 2005 | 98 studies /98 studies | Cross-sectional n = 90, longitudinal n = 8 | <500 n = 24, 500–1000 n = 20, >1000 n = 53, NR: n = 1/<500 n = 24, 500–1000 n = 20, >1000 n = 53, NR: n = 1 | NR | North-America n = 50, Europe n = 31, Australasia n = 16, South-America n = 1 |