Social support, physical activity and sedentary behavior among 6 th -grade girls: a cross-sectional study

Table 3 Bivariate, partial correlations and standardized regression coefficients (β) of family and friend social support variables with daily minutes of combined sedentary behavior^a among female middle school students, IMPACT Baseline Study, 2001

	Combined Sedentary Behavior
Predictors	Correlation between predictor and sed. behavior	Correlation between predictor and sed. behavior after controlling for all other predictors	β
Family Participation^b	-0.11*	-0.08*	-0.08*
Family Encouragement^c	-0.04	-0.02	-0.02
Friend Participation^b	-0.08	-0.05	-0.05
Friend Encouragement^c	-0.01	0.05	0.05
Body Mass Index	0.14***	0.12**	0.12**
Ethnicity^d	0.12**	0.11**	0.11**

Abbreviations: P.A., physical activity; sed., sedentary
^aCombined Sedentary Behavior is the sum of daily T.V.-video viewing minutes and daily computer-video game playing minutes
^bFamily Participation/Friend Participation: frequency that family or friends did physical activities with student during past month based on 5-point scale from "never" to "most of the time"
^cFamily Encouragement/Friend Encouragment: frequency that family or friends encouraged student to be physically active during the past month based on 5-point scale from "never" to "most of the time"
^dEthnicity = White, Hispanic, Other
* p < .05, ** p < .01, *** p < .001