Table 3.

Subgroup Analyses for Change in Body Mass Index

Subgroup Analysis	Number of studies	Difference in Means	95% CI
Study design*
RCT	3	−0.06	−0.11, −0.01
Quasi-experimental	3	−0.80	−1.38, −0.21
Study purpose:
Obesity treatment	4	−0.58	−1.19, 0.03
Obesity prevention	2	−0.18	−0.38, 0.02
Parent involvement:
Yes	3	−0.72	−1.42, −0.01
No	3	−0.06	−0.11, −0.01
Study duration*
<6 months	1	−1.28	−1.66, −0.90
>6 months	5	−0.06	−0.12, −0.01
≥50% children from racial/ethnic minority group or low income household
Yes	3	−0.18	−0.36, 0.01
No	3	−0.69	−1.47, 0.10

^*p < .05