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Table 3 Item-total item correlation and alpha-coefficients if deleted and scale statistics for three factors identified in factor analysis

From: Preliminary development of a scale to measure stigma relating to sexually transmitted infections among women in a high risk neighbourhood

Item Factor 1:
Female-specific Moral Stigma
Factor 2:
Social Stigma
Factor 3:
Internal stigma
  r (i-t) α (d) r (i-t) α (d) r (i-t) α (d)
1. Dirty      0.547 0.652
2. Violated      0.457 0.703
5. Damaged goods 0.459 0.719     
7. Guilty      0.473 0.692
8. Embarrassed      0.591 0.623
9. Clinic discretion*    0.432 0.667   
10. Staff discretion*    0.413 0.673   
11. Sleeps around 0.598 0.632     
12. Should know better 0.563 0.658     
13. Isn't careful 0.478 0.697     
14. Bad person    0.398 0.676   
15. Community gossip    0.443 0.664   
16. Staff morals    0.519 0.639   
18. Stupid    0.404 0.675   
N 120 116 122
Alpha Co-efficient 0.737 0.705 0.729
Mean 3.77 5.16 6.59
SD 2.52 1.81 2.68
  1. *As these items may refer to perceptions of a specific clinic, an alternative Cronbach's alpha score for the social stigma scale, eliminating these two items would be 0.647; other factors were not affected by removal of these items. Note: item 10 score was reversed for factor analysis.