Table 3.

Regression models predicting child MVPA from parent MVPA, moderated by parent encouragement and modeling of physical activity

	Model 1 B	(SE)	t	p-value	Model2 B	(SE)	t	p-value
Encouragement
Step 1	(R2 = .093, p < .001)				(R2 = .356, p < .001)
Encouragement	.129	(.041)	3.144	.002	.071	(.036)	1.961	.051
Parent MVPA	.225	(.041)	5.553	.000	.206	(.035)	5.900	.000
Child age					−.204	(.018)	−11.178	.000
Child gender					−.338	(.052)	−6.444	.000
Child ethnicity					.056	(.058)	.971	.332
Child BMI z-score					−.032	(.025)	−1.292	.197
Parent gender					−.053	(.072)	−.733	.464
Parent BMI					−.004	(.004)	−.826	.409
Income					−.023	(.026)	−.886	.376
Group (preserve)					.043	(.064)	.662	.508
Step 2	(ΔR2 = .019, p = .003)				(ΔR2 = .009, p = .017)
Enc. × Parent MVPA	−.150	(.051)	−2.959	.003	−.107	(.044)	−2.402	.017
Modeling
Step 1	(R2 = .077, p < .001)				(R2 = .354, p < .001)
Modeling	.073	(.047)	1.551	.122	.065	(.041)	1.602	.110
Parent MVPA	.216	(.042)	5.101	.000	.195	(.036)	5.406	.000
Child age					−.212	(.018)	−11.765	.000
Child gender					−.345	(.053)	−6.515	.000
Child ethnicity					.075	(.058)	1.287	.199
Child BMI z-score					−.025	(.025)	−1.001	.318
Parent gender					−.076	(.072)	−1.043	.298
Parent BMI					−.003	(.004)	−.649	.517
Income					−.014	(.026)	−.537	.592
Group (preserve)					.064	(.064)	.999	.318
Step 2	(ΔR2 = .011, p = .028)				(ΔR2 = .003, p = .149)
Modeling × Parent MVPA	−.125	(.057)	−2.199	.028	−.070	(.048)	−1.444	.149

Moderate-to-vigorous Physical Activity (MVPA); Body Mass Index (BMI); Gender: 1 = boy, 2 = girl

Model 1 contained only predictor and moderator variables, grand mean centered; Model 2 adjusted for covariates