Table 2.

Association of sociodemographic, biological, and psychosocial factors with LPA in total school time, PE classes, and recesses among adolescents.

Variable	School time LPAa		PE classes LPAb		Recess LPAc
	β (proportion)	β (min)	β (proportion)	β (min)	β (proportion)	β (min)
Sociodemographic factor
Gender
Male	Ref	Ref	Ref	Ref	Ref	Ref
Female	−0.04*	−7.26*	−0.0228	−1.08	−0.017	−0.26
Age (year)	−0.02*	−4.49*	−0.0156*	−0.80*	−0.0201*	−0.30*
Socioeconomic status	−0.002	−0.51	−0.0021	−0.09	−0.0011	−0.02
Biological factor
Body fat (%)	−0.0010	−0.18	−0.0002	−0.00	0.0001	0.00
Aerobic fitness (mLO2/kg/min)	0.0003	0.07	0.0007	−0.02	−0.0018	−0.03
Psychosocial factor
Self-efficacy	0.001	0.12	0.0005	0.09	0.0009	0.01
Attitudes	0.001	0.32	0.0037	0.17	0.0059*	0.10*
School environment	−0.004	−0.65	−0.0013	−0.02	−0.0037	−0.06
Peer support	0.002	0.52	0.0011	0.03	−0.0009	−0.01
Parental support	0.001	0.24	0.0018	0.09	0.0013	0.02

Abbreviations: LPA = light-intensity physical activity; PE = physical education; Ref = reference.

^an = 216, r² = 0.23.

^bn = 250, r² = 0.05.

^cn = 234, r² = 0.08.

^⁎p < 0.05.