Jiying Ling1, Lorraine B Robbins2, Ken Resnicow3, Marion Bakhoya4. 1. Michigan State University College of Nursing, East Lansing, MI, USA. 2. Michigan State University College of Nursing, East Lansing, MI, USA. robbin76@msu.edu. 3. University of Michigan School of Public Health, Ann Arbor, MI, USA. 4. Michigan State University Department of Kinesiology, East Lansing, MI, USA.
Abstract
OBJECTIVES: To evaluate psychometric properties of a Social Support and Peer Norms Scale in 5th-7th grade urban girls. METHODS: Baseline data from 509 girls and test-retest data from another 94 girls in the Midwestern US were used. RESULTS: Cronbach's alpha was .83 for the Social Support Scale and .72 for the Peer Norms Scale, whereas test-re-test reliability was .78 for both scales. Exploratory factor analysis suggested a single factor structure for the Social Support Scale, and a 3-factor structure for the Peer Norms Scale. Social support was correlated with accelerometer-measured physical activity (r = .13, p = .006), and peer norms (r = .50, p < .0001). CONCLUSIONS: Both scales have adequate psychometric properties.
OBJECTIVES: To evaluate psychometric properties of a Social Support and Peer Norms Scale in 5th-7th grade urban girls. METHODS: Baseline data from 509 girls and test-retest data from another 94 girls in the Midwestern US were used. RESULTS: Cronbach's alpha was .83 for the Social Support Scale and .72 for the Peer Norms Scale, whereas test-re-test reliability was .78 for both scales. Exploratory factor analysis suggested a single factor structure for the Social Support Scale, and a 3-factor structure for the Peer Norms Scale. Social support was correlated with accelerometer-measured physical activity (r = .13, p = .006), and peer norms (r = .50, p < .0001). CONCLUSIONS: Both scales have adequate psychometric properties.
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