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Table 4 Factor analysis for physical activity social support scale (N = 512)

From: Development and validation of psychosocial determinants measures of physical activity among Iranian adolescent girls

  Factor1(Factor loadings) Factor2(Factor loadings)
Friend support   
Tease from your friends 0.80  
Ask from your friends to walk 0.77  
Tell you that you are doing well 0.73  
Do physical activity with you 0.70  
Encourage you to do physical activity 0.65  
Family support   
Done with you   0.73
Provided transportation   0.73
Encourage you to do physical activity   0.72
Watched you   0.72
Eigen value 2.62 2.32
% variance explained 29.18 25.83
Choronbach's alpha 0.77 0.72
Mean inter item correlation 0.41 0.40
Pearson test-retest* 0.56 0.54
  Factor1(Factor loadings) Factor2(Factor loadings)
  1. * Test-retest stability with a 15-day interval (n = 93)