TABLE 1.
Descriptive statistics stratified by impulsivity
| Question | Response | Overall | Impulsivity (47–66) | Impulsivity (67–74) | Impulsivity (75–109) | P value |
|---|---|---|---|---|---|---|
| Impulsivity score—Categorical | N | 241 | 73 | 81 | 87 | <.0001* |
| Mean (SD) | 71.8 (10.8) | 59.9 (5.1) | 70.7 (2.4) | 82.8 (7.4) | ||
| Min, 25th, Median, 75th, Max | 47, 64, 71, 79, 109 | 47, 57, 61, 64, 66 | 67, 68, 71, 73, 74 | 75, 78, 80, 85, 109 | ||
| Hazardous alcohol use (AUDIT) | No | 99 (41.1%) | 39 (53.4%) | 35 (43.2%) | 25 (28.7%) | .0060* |
| Yes | 142 (58.9%) | 34 (46.6%) | 46 (56.8%) | 62 (71.3%) | ||
| Unprotected sexual episodes, past 90 days | N | 241 | 73 | 81 | 87 | .3834 |
| Mean (SD) | 12.6 (31.7) | 16.3 (47.4) | 9.2 (19.3) | 12.7 (23.6) | ||
| Min, 25th, Median, 75th, Max | 0, 0, 0, 10, 360 | 0, 0, 0, 10, 360 | 0, 0, 0, 6, 90 | 0, 0, 0, 12, 100 | ||
| Any unprotected sexual episodes, past 90 days | No | 137 (56.8%) | 44 (60.3%) | 49 (60.5%) | 44 (50.6%) | .3356 |
| Yes | 104 (43.2%) | 29 (39.7%) | 32 (39.5%) | 43 (49.4%) | ||
| Number of partners, past 6 months | N | 241 | 73 | 81 | 87 | .3269 |
| Mean (SD) | 1.9 (9.7) | 3.3 (17.4) | 1.5 (1.9) | 1.1 (1.1) | ||
| Min, 25th, Median, 75th, Max | 0, 1, 1, 2, 150 | 0, 1, 1, 2, 150 | 0, 1, 1, 2, 12 | 0, 0, 1, 1, 5 | ||
| Number of partners, past 6 months | 0–1 | 176 (73.0%) | 49 (67.1%) | 59 (72.8%) | 68 (78.2%) | .2927 |
| 2+ | 65 (27.0%) | 24 (32.9%) | 22 (27.2%) | 19 (21.8%) | ||
| Current IDU | No | 114 (47.3%) | 42 (57.5%) | 40 (49.4%) | 32 (36.8%) | .0292 |
| Yes | 127 (52.7%) | 31 (42.5%) | 41 (50.6%) | 55 (63.2%) | ||
| Number of needle-shares, past 30 days | N | 127 | 31 | 41 | 55 | .3298 |
| Mean (SD) | 9.3 (15.3) | 6.8 (15.7) | 8.2 (13.0) | 11.6 (16.5) | ||
| Min, 25th, Median, 75th, Max | 0, 0, 1, 14, 60 | 0, 0, 0, 4, 60 | 0, 0, 1, 10, 60 | 0, 0, 4, 18, 60 | ||
| Age, y | N | 241 | 73 | 81 | 87 | .0010* |
| Mean (SD) | 34.3 (4.8) | 35.6 (4.4) | 34.8 (5.3) | 32.8 (4.4) | ||
| Min, 25th, Median, 75th, Max | 24.1, 30.9, 34.2, 37.4, 48.9 | 24.8, 32.7, 35.8, 38.4, 47.4 | 24.4, 30.9, 33.9, 38.0, 48.9 | 24.1, 30.0, 32.9, 35.3, 44.4 | ||
| Gender | Male | 178 (73.9%) | 60 (82.2%) | 66 (81.5%) | 52 (59.8%) | .0009* |
| Female | 63 (26.1%) | 13 (17.8%) | 15 (18.5%) | 35 (40.2%) | ||
| Married or partnered | No | 158 (65.6%) | 55 (75.3%) | 50 (61.7%) | 53 (60.9%) | .1080 |
| Yes | 83 (34.4%) | 18 (24.7%) | 31 (38.3%) | 34 (39.1%) | ||
| CD4 cell count, baseline | 0–350 | 125 (54.6%) | 37 (50.7%) | 41 (53.9%) | 47 (58.8%) | .6004 |
| >350 | 104 (45.4%) | 36 (49.3%) | 35 (46.1%) | 33 (41.3%) | ||
| Received money/drugs for sex, past 6 months | No | 231 (95.9%) | 71 (97.3%) | 81 (100.0%) | 79 (90.8%) | .0089* |
| Yes | 10 (4.1%) | 2 (2.7%) | 0 (0.0%) | 8 (9.2%) | ||
| Used cannabis, past 6 months | No | 180 (74.7%) | 60 (82.2%) | 59 (72.8%) | 61 (70.1%) | .1937 |
| Yes | 61 (25.3%) | 13 (17.8%) | 22 (27.2%) | 26 (29.9%) | ||
| Used other drugs, past 6 months | No | 73 (30.3%) | 30 (41.1%) | 27 (33.3%) | 16 (18.4%) | .0060* |
| Yes | 168 (69.7%) | 43 (58.9%) | 54 (66.7%) | 71 (81.6%) |
Bolded P-values represent significance <.05,
*
P < .01.
IDU = injection drug use.