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Table 3 E igenvalues, variance accounted for, and reliability of final PCA model

From: Actual sexual risk and perceived risk of HIV acquisition among HIV-negative men who have sex with men in Toronto, Canada

 

Eigenvalue

Proportiona

Cumulativea

Coefficient alphab

Component 1

3.26

0.47

0.47

0.77

Component 2

1.19

0.17

0.64

0.82

Component 3

1.01

0.15

0.78

0.80

  1. aproportion and cumulative variance accounted for in final PCA model
  2. bstandardized Cronbach coefficient alpha