Table 1.

Intervention efficacy evaluated in terms of changes over time assessed in a 2-factorial repeated measures analysis of variance.

Variables		Time				Treatment				Baseline behavior				Interaction time x treatment
		F test (df)	η2		P value	F test (df)	η2	P value	F test (df)		η2	P value	F test (df)		η2	P value
Physical activity (minutes/week)
	Behaviora	2.88 (1,81)		.03	.09	1.33 (1,81)	.02	.25	N/Ab		N/A	N/A	9.25 (1,81)		.10	.003
	Internal resourcesc	14.13(1,80)		.15	<.001	11.17 (1,80)	.12	.001	13.66 (1,80)		.15	<.001	13.0 (1,80)		.14	.001
	External resource (social support)	3.26 (1,80)		.04	.08	2.51 (1,80)	.03	.12	0.19 (1,80)		<.01	.66	3.08 (1,80)		.04	.08
Fruit and vegetable consumption (portions/day)
	Behavior	23.69 (1,80)		.23	<.001	7.27	.08	.009	N/A		N/A	N/A	59.01 (1,80)		.43	<.001
	Internal resources	11.06 (1,79)		.12	.001	9.21 (1,79)	.10	.003	10.21 (1,79)		.11	.002	24.96 (1,79)		.24	<.001
	External resource (social support)	1.59 (1,79)		.02	.21	1.05 (1,79)	.01	.30	0.46 (1,79)		<.01	.31	4.61 (1,79)		.06	.04

^aBehavior indicators: moderate-vigorous physical activity or fruit and vegetable consumption.

^bN/A: not applicable.

^cInternal resources: intention, self-efficacy, and planning.