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Table 2 HIV risk behavior, psychiatric symptoms, and quality of life as a function of HIV status.

From: Clinical characteristics and risk behavior as a function of HIV status among heroin users enrolled in methadone treatment in northern Taiwan

   HIV-positive HIV-negative Total
Sexual Risk    
   Engaging in sex within last 6 months (n = 528) a Yes 47 (70%) 413 (90%) 460 (87%) **
  No 20 (30%) 48 (10%) 68 (13%)
   Condom use at last sexual encounter (n = 460) Yes 36 (77%) 192 (46%) 228 (50%) **
  No 11 (23%) 221 (54%) 232 (50%)
   Frequency of condom use within last 6 months (n = 391) a Always/Frequently 16 (42%) 66 (18%) 82 (21%) **
  Often/Sometimes 9 (24%) 76 (22%) 85 (22%)
  Few/Never 13 (34%) 211 (60%) 224 (57%)
Drug-related risk     
   Heroin injection within last 6 months (n = 518) a Yes 54 (81%) 403 (89%) 457 (88%) *
  No 13 (19%) 48 (11%) 61 (12%)
   Sharing syringes during last 6 months (n = 457) a Always/Frequently 2 (4%) 3 (1%) 5 (1%)
  Often/Sometimes 5 (9%) 19 (5%) 24 (5%)
  Few/Never 47 (87%) 381 (94%) 428 (94%)
Psychiatric Symptoms (n = 523) a     
   Anxiety No 51 (78.5%) 362 (79.0%) 413 (79.0%)
  Yes 14 (21.5%) 96 (21.0%) 110 (21.0%)
   Depression No 47 (72.3%) 334 (72.9%) 381 (72.8%)
  Yes 18 (27.7%) 124 (27.1%) 142 (27.2%)
   Memory loss No 46 (70.8%) 306 (66.8%) 352 (67.3%)
  Yes 19 (29.2%) 152 (33.2%) 171 (32.7%)
   Attempted suicide No 46 (70.8%) 306 (66.8%) 352 (67.3%)
  Yes 19 (29.2%) 152 (33.2%) 171 (32.7%)
   Psychiatric medication prescribed No 52 (80.0%) 386 (84.5%) 438 (83.9%)
  Yes 13 (20.0%) 71 (15.5%) 84 (16.1%)
Quality of life (n = 551) a Range 0 to 100 (mean ± SD) (mean ± SD) (mean ± SD)
   Physical domain   58.22 ± 17.57 56.80 ± 16.07 56.98 ± 16.25
   Psychological domain   45.27 ± 15.91 48.91 ± 14.77 48.46 ± 14.95
   Social domain   50.51 ± 19.05 54.02 ± 18.54 53.58 ± 18.62
   Environment domain   53.42 ± 16.79 51.45 ± 17.13 51.69 ± 17.08
  1. * p < 0.05.
  2. ** p < 0.01.
  3. a Missing values were omitted from the statistical analyses.
  4. Note: χ2 and t tests were used to examine differences between the HIV groups on categorical and continuous variables respectively. A Fisher exact test was performed to examine the relationship between syringe sharing and HIV.