Table 2.

Effects of family support change and peer support change on trajectories of physical activity

	Overall physical activity					Duration				Frequency
	Intercept b (SE)	P-values		Slope b (SE)	P-values	Intercept b (SE)	P-values	Slope b (SE)	P-values	Intercept b (SE)	P-values	Slope b (SE)	P-values
Gender	-0.17 (0.07)	0.010		-0.01 (0.10)	0.911	-0.05 (0.06)	0.420	-0.05 (0.10)	0.611	-0.01 (0.08)	0.895	-0.07 (0.11)	0.549
Parental education level	0.06 (0.07)	0.355		0.10 (0.10)	0.310	0.11 (0.06)	0.078	0.09 (0.10)	0.380	0.04 (0.07)	0.578	0.12 (0.11)	0.253
Family monthly income (T0)	0.18 (0.07)	0.006		-0.04 (0.10)	0.682	0.18 (0.06)	0.003	-0.16 (0.10)	0.118	0.06 (0.07)	0.449	-0.06 (0.11)	0.596
BMI (T0)	-0.08 (0.06)	0.172		-0.01 (0.09)	0.928	-0.05 (0.06)	0.383	-0.04 (0.09)	0.653	-0.04 (0.07)	0.577	-0.05 (0.10)	0.619
FSC (T0 → T1)	0.09 (0.07)	0.164		0.01 (0.10)	0.912	0.01 (0.06)	0.821	0.02 (0.10)	0.877	0.04 (0.07)	0.563	-0.03 (0.11)	0.754
PSC (T0 → T1)	-0.32 (0.06)	< 0.001		0.45 (0.12)	< 0.001	-0.31 (0.06)	< 0.001	0.50 (0.14)	< 0.001	-0.28 (0.07)	< 0.001	0.46 (0.14)	< 0.001
χ2/df	28.67/7					20.21/7				21.30/7
RMSEA	0.09					0.07				0.07
SRMR	0.03					0.03				0.02
CFI	0.93					0.95				0.93

FSC Family support change, PSC Peer support change, T0, T1 Time 0 (the second year of high school) and 1 (the first year of college), respectively; gender coded as 0 = male and 1 = female. The Bonferroni adjusted significance level was set to 0.017 (0.05/3). Bonferroni-corrected significance level is boldface