Table 1.

Effect sizes and heterogeneity of findings for studies comparing active video game intervention versus control group (N=15).

Measures	Studies, n (%)	Hedge g effect size	Value, 95% CI	P value	I² (%)
BMI	4 (27)	−0.209	−0.388 to −0.031	.70	0
BMI z-score	6 (40)	−0.066	−0.124 to −0.007	<.001	97.55
Body fat percentage	3 (20)	−0.462	−0.819 to −0.105	.06	64.59
Fat-free mass	3 (20)	0.106	−0.594 to 0.806	.52	0
Waist circumference	3 (20)	−0.426	−1.295 to 0.444	.27	23.5