Table 4.

Summary of post hoc analysis of generalized estimate equations whenever a group ⨯ time effect was detected (n=237).^a

Variables	Posttest				Follow-up test
	Adjusted mean difference (95% CI)	P value	Effect size (Cohen d)	Adjusted mean difference (95% CI)		P value	Effect size (Cohen d)
Light physical activity (minutes/7 days)	–151.61 (–418.18 to –96.67)	.002	0.28	–1.96 (–3.23 to 23.07)		.11	0.004
Vigorous physical activity (minutes/7 days)	138.47 (117.61 to 183.10)	.03	0.23	10.01 (–10.8 to 17.01)		.66	0.02
Sleep latency (minutes/day)	–21.04 (–16.07 to –6.00)	.005	0.78	–9.86 (–15.02 to –4.71)		<.001	0.55
Sleep efficiency (%)	4.61 (4.29 to 9.72)	<.001	0.34	4.07 (1.53 to 6.61)		<.001	0.30
Screen time on weekdays (minutes/day)	–16.42 (–30.83 to –2.01)	.01	0.25	–7.67 (–30.21 to 14.88)		.34	0.01
Screen time on weekend days (minutes/day)	–73.88 (–98.48 to –49.28)	<.001	0.46	–27.57 (–66.33 to 11.19)		.55	0.02

^aData for the intervention and control groups are presented. Bonferroni correction was applied to adjust for multiple pairwise comparisons. The analyses were further adjusted for covariates including preschoolers’ gender, age, height, weight, number of children with overweight or obesity, and parents’ age, height, weight, gender, educational level, income range, marital status, number of children in the household, and number of parents with overweight or obesity.