Table 4.

Linear and Logistic Regression for associations between covariates and physical activity behaviors, TX SPAN 8th and 11th grade students, 2009–2011

	Screen-time		Moderate Physical Activity		Vigorous Physical Activity		Physical Activity Score
	Odds Ratio	P-value	Odds Ratio	P-value	Odds Ratio	P-value	Beta Coefficient	P-value
Perceived Parental Disapproval for not exercisinga
Upset	0.72 (0.39, 1.33)	0.296	1.12 (0.81, 1.55)	0.497	1.25 (0.90, 1.74)	0.186	3.43 (−1.91, 8.77)	0.206
Parental Physical Activity Support
	0.92 (0.86, 0.98)	0.014	1.14 (1.07, 1.21)	P < 0.001	1.12 (1.10, 1.17)	P < 0.001	2.40 (1.27, 3.54)	P < 0.001
Peer Physical Activity Support
	0.93 (0.87, 0.98)	0.019	1.17 (1.13, 1.22)	P < 0.001	1.15 (1.10, 1.20)	P < 0.001	2.91 (2.01, 3.81)	P < 0.001
Genderb
Girl	0.44 (0.33, 0.62)	P < 0.001	0.53 (0.37, 0.74)	P < 0.001	0.53 (0.42, 0.67)	P < 0.001	0.14 (−5.86, 6.14)	0.963
Gradec
11th	0.68 (0.44, 1.05)	0.082	0.77 (0.57, 1.04)	0.087	0.84 (0.60, 1.18)	0.32	−0.24 (,-8.66, 8.18)	0.956
Ethnicityd
African-American	1.84 (0.96, 3.55)	0.068	1.07 (0.77, 1.50)	0.669	0.83 (0.54, 1.27)	0.391	−2.04 (−12.40, 8.32)	0.698
Hispanic	1.74 (0.99, 3.08)	0.054	0.87 (0.69, 1.10)	0.239	0.75 (0.49, 1.13)	0.165	−2.91 (−10.62, 4.80)	0.457
BMI Classe
Overweight	0.94 (0.64, 1.39)	0.762	0.69 (0.53, 0.92)	0.011	0.90 (0.60, 1.33)	0.58	−2.69 (−7.80, 2.62)	0.319
Obese	0.81 (0.55, 1.21)	0.304	0.57 (0.40, 0.83)	0.004	0.75 (0.52, 1.10)	0.132	−7.23 (−15.28, 0.83)	0.078
Parent Educationf
Some College or more	1.14 (0.79, 1.64)	0.479	1.37 (0.96, 1.96)	0.083	1.10 (0.71, 1.67)	0.698	3.57 (−5.31, 12.44)	0.428
Socioeconomic Statusg
Middle Tertile	1.04 (0.53, 2.09)	0.892	1.214 (0.85, 1.71)	0.288	1.05 (0.69, 1.59)	0.819	6.18 (−4.90, 17.27)	0.272
Highest Tertile	0.89 (0.49, 1.57)	0.676	0.75 (0.53, 1.06)	0.106	0.77 (0.50, 1.20)	0.25	−0.50 (−9.27, 8.28)	0.911

Note: Confidence intervals for odds ratios are in parenthesis. Referents were ^aNot upset, ^bBoy, ^c8th, ^dWhite/Other, ^eHealthy Weight, ^fHigh school or less, ^gLowest Tertile