Table 2.

Effect of the intervention on self-regulation at 3-month follow-up

	Intervention group					Control Group					Mean diffc (95% CI)	P
Characteristics	N	Baseline M (SE)	3 M M (SE)	Diff (95% CI)	P	N	Baseline M (SE)	3 M M (SE)	Diff (95% CI)	P
Completer analysis
Self-regulatory skillsa	183	2.46 (.02)	2.68 (.03)	.22 (.16;.27)	<.001	197	2.49 (.02)	2.62 (.03)	.12 (.08;.17)	<.001	.08 (.01;.15)	.019
Sensitivity analysesb
Self-regulatory skillsa	267	2.46 (.02)	2.68(.03)	.21 (.16;.26)	<.001	270	2.49 (.02)	2.61 (.03)	.12 (.07;.17)	<.001	.08 (.01;.14)	.012

^aSelf-regulatory skills score ranged from 1 (strongly disagree) to 4 (strongly agree)

^bSensitivity analysis using multiple imputation to deal with missing data

^cAdjusted for gender, age, baseline weight and baseline data for self-regulation