. Author manuscript; available in PMC: 2014 Jan 1.

Published in final edited form as: AIDS Behav. 2013 Jan;17(1):434–443. doi: 10.1007/s10461-011-0128-3

Table 2.

Reliability assessment of original 40-item Berger HIV Stigma scale and the abridged 25-item scale

	Berger Scale	Abridged Scale

*Overall*
Number of items	40	25
Cronbach’s Alpha	0.91	0.88
Test retest reliability with 95% CI	0.89(0.8 – 0.9)	-

*Personalised Stigma*
Number of items	18	11
Cronbach’s Alpha	0.89	0.88
Test retest reliability with 95% CI	0.82(0.7 – 0.9)	-

*Negative Stigma Sub Scale*
Number of items	13	6
Cronbach’s Alpha	0.77	0.80
Test retest reliability with 95% CI	0.85(0.7 – 0.9)	-

*Public Attitude Stigma Sub Scale*
Number of items	20	4
Cronbach’s Alpha	0.86	0.68
Test retest reliability with 95% CI	0.85(0.7 – 0.9)	-

*Disclosure Sub Scale*
Number of items	10	4
Cronbach’s Alpha	0.62	0.19
Test retest reliability with 95% CI	0.62(0.4 – 0.8)	-

Promax rotation with Kappa=4.