. Author manuscript; available in PMC: 2013 Aug 1.

Published in final edited form as: AIDS Behav. 2012 Aug;16(6):1472–1481. doi: 10.1007/s10461-011-0079-8

Table 2.

Psychometric properties of Staying Safe scales

	Number of items	Cronbach's alpha	95% CI^a	Mean inter-item correlation
Keeping it Together scale	12	.82	.73–.87	.275
Withdrawal Prevention Tactics scale	5	.61	.42–.74	.251
Homeless Safety Tactics scale	2	.79	.58–.89	.653
Embedding Safety within Network	3	.81	.70–.88	.586
Access to Resources scale	25	.86	.79–.90	.191
Relatives Support subscale	9	.80	.70–.86	.289
Drug Users Support subscale	9	.85	.78–.90	.386
Program Staff Support subscale	7	.79	.68–.86	.344

Confidence intervals were calculated using Koning and Franses [11] algorithm implemented in the R program for statistical computing