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Table 2 Bivariate, partial correlations and standardized regression coefficients (β) of family and friend social support variables with daily minutes of moderate-vigorous and vigorous physical activity among female middle school students, IMPACT Baseline Study, 2001

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

 

Moderate-Vigorous Physical Activity

Vigorous Physical Activity

Predictors

Correlation between predictor and MVPA

Correlation between predictor and MVPA after controlling for all other predictors

β

Correlation between predictor and VPA

Correlation between predictor and VPA after controlling for all predictors

β

Family Participationa

0.17***

0.07

0.08

0.08*

0.05

0.05

Family Encouragementb

0.18***

0.11**

0.13**

0.08

<0.001

<0.001

Family Encourage.(squared)c

0.01

0.11**

0.12**

N/A

N/A

N/A

Friend Participationa

0.21***

0.10**

0.11**

0.10**

0.03

0.04

Friend Encouragementb

0.25***

0.12**

0.14**

0.16***

0.11**

0.13**

Body Mass Index

-0.01

-0.01

-0.01

0.05

0.04

0.04

Ethnicityd

0.01

0.04

0.04

0.09*

0.11**

0.11**

  1. Abbreviations: Family Encourage., family encouragement; MVPA, moderate-to-vigorous physical activity; VPA, vigorous physical activity; N/A, not applicable.
  2. aFamily 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"
  3. bFamily 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"
  4. cFamily encouragement squared = family encouragement centered (mean) and squared.
  5. dEthnicity = White, Hispanic, Other
  6. * p < .05, ** p < .01, *** p < .001