Table 2.
Association between alcohol consumption in the prior two years and binge drinking in the prior six months with HIV acquisition among 1,525 African American injection drug users with 8,181 person-years of follow up, ALIVE cohort, 1988 – 2008.
| Crude | Weighted b | |||
|---|---|---|---|---|
| Incidence Rate /100 PY a | Hazard Ratio (95% CLa) | Incidence Rate /100 PY a | Hazard Ratio (95% CLa) | |
| Drinks/week, prior 2 years: | ||||
| 51–140 | 4.00 | 2.96 (1.67, 5.23) | 3.25 | 2.12 (1.15, 3.90) |
| 21–50 | 2.64 | 2.06 (1.20, 3.54) | 2.65 | 1.66 (0.94, 2.93) |
| 6–20 | 1.73 | 1.41 (0.82, 2.42) | 1.77 | 1.18 (0.66, 2.09) |
| 1–5 | 1.46 | 1.22 (0.69, 2.15) | 1.65 | 1.09 (0.60, 1.98) |
| 0 | 1.10 | 1. | 1.25 | 1. |
| P value for trend | 8.2×10−6 | 9.7×10−4 | ||
| Binge drinking, prior 6 months: c | ||||
| Yes | 3.33 | 2.04 (1.47, 2.83) | 3.03 | 1.70 (1.22, 2.37) |
| No | 1.44 | 1. | 1.57 | 1. |
| Composite: | ||||
| 21–140 drinks/week | 3.12 | 2.38 (1.44, 3.92) | 2.87 | 1.83 (1.07, 3.12) |
| 1–20 drinks/week and binge drinking | 2.84 | 2.23 (1.13, 4.41) | 2.90 | 1.80 (0.88, 3.66) |
| 1–20 drinks/week and no binge drinking | 1.43 | 1.18 (0.71, 1.98) | 1.55 | 1.03 (0.60, 1.78) |
| 0 drinks/week | 1.10 | 1. | 1.25 | 1. |
| Overall | 1.89 | 1.92 | ||
a
PY, person-years; CL, confidence limits.
b
Accounting for: cocaine use, shooting gallery attendance, gender, age at entry, years of formal education, number of sexual partners, being a male having sex with a male, history of sexually transmitted infections, and daily frequency of drug injections; value at prior visit used for time-varying covariates.
c
Drinking at least once a week and having more than five drinks on a given drinking day in prior six months.