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Table 7 Factor analysis for physical activity environmental factors scale (N = 512)

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

 

Factor loadings

It is safe to walk

0.78

Can get to easily

0.73

Enough supplies at Home

0.72

It is difficult to walk

0.60

Eigen value

2.03

% variance explained

50.87

Choronbach's alpha

0.67

Mean inter item correlation

0.25

Pearson test-retest*

0.38

  1. * Test-retest stability with a 15-day interval (n = 93)