Table 3.
Odds ratios and 95% confidence intervals for unprotected anal insertive intercourse among HIV seropositive men reporting multiple partners (after introduction of the Men's Attitude Survey; visits 31-56; 2482 participant-visits from 371 unique participants)
| Univariate models | Multivariate model | |||
|---|---|---|---|---|
| Characteristic | Odds ratios (95% CI) | p-value | Odds ratios (95% CI) | p-value |
| Cumulative cART years (for a 5-year increase) | 1.57 (1.26, 1.96) | < 0.0001 | 1.33 (1.02, 1.74) | 0.04 |
| Longitudinal drug use | ||||
| Persistent < 3 drugs | 1.0 | 1.0 | ||
| Decrease to < 3 drugs | 1.12 (0.71, 1.78) | 0.62 | 0.80 (0.47, 1.35) | 0.40 |
| Increase to ≥ 3 drugs | 1.55 (0.96, 2.49) | 0.07 | 1.41 (0.84, 2.36) | 0.19 |
| Persistent ≥ 3 drugs | 2.85 (1.60, 5.09) | 0.0004 | 1.70 (1.04, 2.79) | 0.03 |
| Drinking Status | ||||
| None | 1.0 | 1.0 | ||
| Low-Moderate | 1.63 (1.11, 2.38) | 0.01 | 1.19 (0.76, 1.83) | 0.42 |
| Moderate-Heavy | 1.30 (0.80, 2.11) | 0.30 | 1.09 (0.64, 1.86) | 0.76 |
| Binge | 0.90 (0.46, 1.78) | 0.76 | 0.89 (0.41, 1.91) | 0.76 |
| Depressive Symptom Score | ||||
| < 16 | 1.0 | 1.0 | ||
| ≥ 16 | 1.09 (0.79, 1.51) | 0.59 | 0.93 (0.67, 1.29) | 0.66 |
| Age | ||||
| ≥ 55 years | 1.0 | 1.0 | ||
| 45 - 55 years | 0.74 (0.50, 1.09) | 0.13 | 0.87 (0.58, 1.30) | 0.48 |
| < 45 years | 0.72 (0.45, 1.17) | 0.19 | 0.81 (0.45, 1.45) | 0.48 |
| Race | ||||
| White, non-Hispanic | 1.0 | 1.0 | ||
| Black, non-Hispanic | 0.79 (0.46, 1.35) | 0.38 | 1.06 (0.58, 1.95) | 0.84 |
| Hispanic | 0.49 (0.24, 0.99) | 0.049 | 0.69 (0.35, 1.36) | 0.28 |
| Baseline education | ||||
| Post-graduate | 1.0 | 1.0 | ||
| No college degree | 1.19 (0.74, 1.92) | 0.48 | 1.48 (0.89, 2.46) | 0.13 |
| College | 0.96 (0.58, 1.59) | 0.87 | 1.09 (0.66, 1.83) | 0.73 |
| Detectable HIV RNA | ||||
| No | 1.0 | 1.0 | ||
| Yes | 1.30 (0.96, 1.76) | 0.10 | 1.07 (0.79, 1.45) | 0.64 |
| Center | ||||
| Los Angeles | 1.0 | 1.0 | ||
| Pittsburgh | 0.55 (0.33, 0.90) | 0.018 | 0.48 (0.28, 0.82) | 0.007 |
| Chicago | 0.91 (0.55, 1.50) | 0.72 | 0.83 (0.49, 1.40) | 0.48 |
| Baltimore | 0.66 (0.39, 1.11) | 0.12 | 0.60 (0.36, 0.99) | 0.048 |
| Reduced HIV concern | ||||
| Neutral | 1.0 | 1.0 | ||
| Agree | 2.27 (0.82, 6.23) | 0.11 | 1.87 (0.54, 6.49) | 0.32 |
| Disagree | 0.20 (0.12, 0.32) | < 0.0001 | 0.37 (021, 0.64) | 0.0004 |
| Perception of HIV as a threat | ||||
| Neutral | 1.0 | 1.0 | ||
| Agree | 1.09 (0.66, 1.80) | 0.74 | 1.26 (0.68, 2.33) | 0.47 |
| Disagree | 0.73 (0.51, 1.04) | 0.08 | 0.97 (0.69, 1.36) | 0.87 |
| Safe sex fatigue | ||||
| Neutral | 1.0 | 1.0 | ||
| Agree | 2.85 (1.92, 4.22) | < 0.0001 | 2.32 (1.49, 3.61) | 0.0002 |
| Disagree | 0.50 (0.36, 0.71) | < 0.0001 | 0.66 (0.46, 0.96) | 0.03 |
| Viral load / transmission beliefs | ||||
| Neutral | 1.0 | 1.0 | ||
| Agree | 1.52 (0.94, 2.45) | 0.09 | 0.80 (0.46, 1.37) | 0.41 |
| Disagree | 0.67 (0.48, 0.95) | 0.024 | 0.74 (0.51, 1.07) | 0.11 |
| Sexual sensation seeking | ||||
| Neutral | 1.0 | 1.0 | ||
| Agree | 2.52 (1.80, 3.52) | < 0.0001 | 1.76 (1.23, 2.53) | 0.002 |
| Disagree | 0.68 (0.46, 0.99) | 0.049 | 0.92 (0.60, 1.41) | 0.70 |
| Serosorting status | ||||
| Non-serosorter | 1.0 | 1.0 | ||
| Serosorter | 5.76 (4.29, 7.75) | <0.0001 | 6.11 (4.50, 8.31) | <0.0001 |
*All variables listed in the table were controlled for in the multivariate model.