Table 2.
Demographic and drug use characteristics by HIV testing status
| Variable | Prior HIV testing (n = 492) |
Never tested for HIV (n = 85) |
Statistics, p |
|---|---|---|---|
| Clinic, % (n) | χ2 (5) = 94.42, p < .001 | ||
| Clinic A | 5.5 (27) | 3.5 (3) | |
| Clinic B | 15.2 (75) | 61.2 (52) | |
| Clinic C | 20.5 (101) | 16.5 (14) | |
| Clinic D | 18.1 (89) | 9.4 (8) | |
| Clinic E | 11.8 (58) | 0.0 (0) | |
| Clinic F | 28.9 (142) | 9.4 (8) | |
| Age | 36.5 (9.2) | 36.2 (8.7) | t (575) = 0.26, p = .79 |
| Male gender, % (n) | 50.4 (248) | 65.9 (56) | χ2 (1) = 6.96, p < .01 |
| Hispanic ethnicity, % (n) | 10.2 (50) | 15.3 (13) | χ2 (1) = 1.96, p =.16 |
| Race, % (n) | χ2 (2) = 20.4, p < .001 | ||
| Caucasian | 30.1(148) | 51.8 (44) | |
| African-American | 57.7 (284) | 31.8 (27) | |
| Other | 12.2 (60) | 16.5 (14) | |
| Married, % (n) | 12.2 (60) | 18.8 (16) | χ2 (1) = 2.78, p = .0 .10 |
| Years of education | 12.0 (1.9) | 11.6 (2.1) | t (575) = 1.75, p = .08 |
| Income, median (IQR) | $4,450 ($16, 910) |
$9,600 ($20, 900) |
U = 17477, p = .02 |
| Employment status, % (n) | χ2 (2) = 0.99, p = .61 | ||
| Full time | 49.9 (226) | 55.7 (44) | |
| Part time | 24.3 (110) | 20.3 (16) | |
| Unemployed/other | 25.8 (117) | 24.1 (19) | |
| Cocaine dependent, % (n) | 76.6 (377) | 81.2 (69) | χ2 (1) = 0.86, p = .36 |
| Alcohol dependent, % (n) | 52.6 (259) | 50.6 (43) | χ2 (1) = 0.12, p = .73 |
| Opioid dependent, % (n) | 23.0 (113) | 21.4 (18) | χ2 (1) = 0.10, p = .76 |
| Years of regular use of: | |||
| Alcohol | 13.9 (10.8) | 16.5 (10.2) | t (575) = −2.01, p =.05 |
| Cocaine | 9.1 (7.6) | 10.5 (8.9) | t (575) = −1.59, p =.11 |
| Heroin | 1.8 (4.9) | 2.2 (6.8) | t (575) = − 0.63, p = .53 |
| Marijuana | 7.9 (8.4) | 7.6 (8.6) | t (575) = 0.37, p =.71 |
| Times treated for alcohol, median (IQR) |
1.0 (3.0) | 2.0 (4.0) | U = 18923, p = .14 |
| Times treated for drugs, median (IQR) |
2.0 (4.0) | 2.0 (5.0) | U = 20624, p =.89 |
| Psychiatric hospitalizations, median (IQR) |
0.0 (1.0) | 0.0 (1.0) | U = 20852, p =.96 |
| Ever incarcerated, % (n) | 51.6 (254) | 42.4 (36) | χ2 (1) = 2.49, p = .11 |
| Addiction Severity Index scores | |||
| Medical | 0.23 (0.34) | 0.16 (0.30) | t (575) = 1.94, p = .05 |
| Employment | 0.70 (0.29) | 0.62 (0.31) | t (575) = 2.40, p = .02 |
| Alcohol | 0.23 (0.24) | 0.24 (0.23) | t (575) = −0.64, p = .52 |
| Drug | 0.15 (0.10) | 0.15 (0.10) | t (574) = 0.08, p = .94 |
| Legal | 0.14 (0.21) | 0.15 (0.24) | t (574) = −0.60, p = .55 |
| Family/social | 0.18 (0.22) | 0.17 (0.21) | t (572) = 0.21, p = .83 |
| Psychiatric | 0.26 (0.24) | 0.32 (0.25) | t (571) = −1.95, p = .05 |
| HIV Risk Behavior Scale | |||
| Total score, median (IQR) | 11.0 (8.0) | 12.0 (7.0) | U = 20299, p = .98 |
| Drug score, median (IQR) | 0.0 (1.0) | 0.0 (0.0) | U = 19774, p = .42 |
| Sexual score, median (IQR) | 10.0 (6.0) | 11.0 (7.0) | U = 19594, p = .57 |
Values represent means (SD=standard deviations) unless otherwise indicated. IQR=interquartile range.