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. Author manuscript; available in PMC: 2015 May 28.
Published in final edited form as: Drug Alcohol Depend. 2010 Feb 16;109(0):154–160. doi: 10.1016/j.drugalcdep.2009.12.028

Table 2.

HIV prevalence among IPE IDUs and CPE IDUs.

HIV prevalence IPE IDUs
n/N (%)
HIV prevalence CPE IDUs
n/N (%)
CPE to IPE OR
(95% CI)
Total (ref = IPE) 55/261 (21%) 66/1153 (6%) 0.23 (0.15–0.34)
Gender/sexual behavior (ref = IPE non-MSM males)
  Non-MSM males 25/166 (15%) 29/817 (4%) 0.21 (0.12–0.37)
  MSM males 5/15 (33%) 12/60 (18%) 0.50 (0.14–1.74)
  Females 25/80 (31%) 25/276 (9%) 0.22 (0.12–0.41)
Race/ethnicity (ref = IPE Whites)
  Whites 10/74 (14%) 9/333 (3%) 0.18 (0.07–0.46)
  Blacks 8/27 (30%) 20/137 (15%) 0.41 (0.16–1.05)
  Hispanics 36/154 (23%) 35/639 (5%) 0.19 (0.12–0.32)
  Other 1/5 (20%) 2/44 (5%) 0.19 (0.01–2.59)
Age (ref = IPE <40)
  <40 50/247 (20%) 45/988 (5%) 0.19 (0.12–0.29)
  40 and older 5/14 (36%) 21/165 (13%) 0.26 (0.08–0.86)