Table 1.
Demographic characteristics of the included studies and their participants
| Characteristics of the 118 included studies | No (%) of studies |
|---|---|
| Publication year | |
| 2000-2005 | 8(6.8%) |
| 2006-2010 | 39(33.1%) |
| 2011-2015 | 55(46.6%) |
| 2016- | 16(13.6%) |
| Treatment duration(Months) | |
| 1 < M ≤ 3 | 27(22.9%) |
| 3 < M ≤ 6 | 35(29.7%) |
| 6 < M ≤ 12 | 42(35.6%) |
| M ≥ 12 | 14(11.9%) |
| Geographical region | |
| America | 43(36.4%) |
| Europe | 36(30.1%) |
| Asia | 21(17.8%) |
| Other region | 18(15.3%) |
| Type of obesity | |
| Obesity | 52(44.1%) |
| Overweight | 16(13.6%) |
| Obesity&Overweight | 39(33.1%) |
| Unclear | 11(9.3%) |
| Outcomes | |
| BMI | 102(40.0%) |
| BMI Z-score | 55(21.6%) |
| WC | 51(20.0%) |
| PBF | 47(18.4%) |
| Type of RCT | |
| Cluster | 33(28.0%) |
| Parallel | 18(15.3%) |
| NR | 67(56.8%) |
| Total sample size(N) | |
| 1-100 | 50(39.1%) |
| 101-500 | 44(34.4%) |
| 501-1000 | 16(12.5%) |
| 1001- | 18(14.1%) |
| Baseline age(years) | |
| Children(6-12) | 69(53.9%) |
| Adolescent(13-18) | 27(21.1%) |
| Both | 28(21.9%) |
| NR | 4(3.1%) |
| Proportion boys(%) | |
| ≥50 | 62(48.4%) |
| ＜50 | 53(41.4%) |
| NR | 13(10.1%) |
| Involvement of center(%) | |
| Home | 65(50.8%) |
| School | 20(15.6%) |
| Community | 10(7.8%) |
| Combination | 3(2.3%) |
| Unclear | 30(23.4%) |
| Setting | |
| Group | 39(30.5%) |
| Individual | 16(12.5%) |
| NR | 73(57.0%) |
| Race | |
| White | 4(3.4%) |
| Black | 5(4.2%) |
| Other/Asia/Yellow | 2(1.7%) |
| Multi-race | 28(23.7%) |
| NR | 79(66.9%) |
BMI, Body mass index; M, Month; NR, Not reported; PBF, Percent body fat; RCT, Randomized controlled trial; WC, Waist circumference