| IDU | non-IDU |  |
---|---|---|---|
 | n (%)*1 | n (%)*1 | p-value |
Demographics | Â | Â | Â |
Age (median, IQR) | 29 (25-32) | 24 (21-32) | < 0.001* |
Male sex | 243 (73) | 26 (40) | < 0.001 |
Married/partnered | 135 (41) | 15 (23) | 0.009 |
Postsecondary education | 191 (58) | 50 (77) | 0.004 |
Employed | 147 (44) | 51 (80) | < 0.001 |
Live with family | 196 (59) | 27 (42) | 0.009 |
Any legal income | 250 (76) | 58 (89) | 0.015 |
Jail | 116 (36) | 2 (3) | < 0.001 |
Homeless | 61 (18) | 9 (14) | 0.376 |
Sexual behavior of subjects in the past 6 months | Â | Â | Â |
Had > 1 sex partner | 141 (43) | 44 (68) | < 0.001 |
Any casual partner | 145 (44) | 43 (66) | 0.001 |
Had a new (< 90 days) partner | 172 (58) | 38 (62) | 0.491 |
Unprotected sex at last intercourse with any partner | 183 (59) | 44 (71) | 0.074 |
Unprotected sex at last intercourse with casual partners*2 | 114 (34) | 37 (57) | 0.001 |
Had sex when high on drugs or alcohol*3 | 228 (70) | 35 (55) | 0.017 |
Sexually transmitted infections | Â | Â | Â |
Tested positive for HIV antibodies | 90 (27) | 2 (3) | < 0.001 |
Tested positive for a non-viral STI*4 | 19 (6) | 7 (11) | 0.166 |
Alcohol consumption in the past month | Â | Â | Â |
Risky alcohol use*5 | 208 (66) | 50 (85) | 0.004 |
Days used alcohol last 30 days (median, IQR) | 5 (2-15) | 5 (2-10) | 0.816* |
Drinks on average each time drinking (median, IQR) | 3 (2-5) | 3 (2-5) | 0.667* |
Days had > 4 drinks in 2 hours or got drunk (median, IQR) | 1 (0-4) | 1 (0-3) | 0.687* |
Illicit drug consumption in the past month* 6 | Â | Â | Â |
Meth use*7 | 60 (18) | 7 (11) | 0.155 |
Injection practices in the last 6 months | Â | Â | Â |
Unsafe injection, 30 days | 82 (25) | Â | Â |
Number of times injected last 30 days, median (p25-75) | 20 (8-30) | Â | Â |