Table 3.

Hierarchical Multiple Regression Analyses Predicting the PAQ-C Score and Objectively Monitored MVPA (n = 365).

	PAQ-C Score					Accelerometry-Based MVPA
	B	SE	t	R2	Δ R2	B	SE	t	R2	Δ R2
Step 1				0.01					0.04
Age	0.01	0.03	0.26			−0.06	0.66	−1.06
Gender	−0.07	0.07	−1.30			−0.16	1.38	−2.82 *
BMI	−0.03	0.01	−0.64			−0.04	0.19	0.78
Social desirability	0.05	0.01	0.91			0.04	0.06	0.68
Step 2				0.46	0.45 **				0.17	0.13 **
Age	0.09	0.03	2.14 *			−0.02	0.63	−0.34
Gender	−0.04	0.05	−0.96			−0.15	1.33	−2.72 *
BMI	0.03	0.01	0.66			−0.07	0.18	1.37
Social desirability	0.01	0.01	0.12			0.03	0.06	0.44
PA self-efficacy	0.40	0.06	7.76 **			0.23	1.45	3.26 *
PA preference	0.22	0.08	4.48 **			0.02	1.92	0.32
Autonomous motivation	0.16	0.02	3.20 *			0.16	0.55	2.42 *
Controlled motivation	0.05	0.02	1.19			0.03	0.62	0.48

Note: B, standardized coefficients; SE, standard error; BMI, Body mass index; PA, physical activity; PAQ-C, Physical Activity Questionnaire for Older Children; MVPA, Moderate- to vigorous- intensity PA. * p < 0.05, ** p < 0.01.