TABLE 2.
Outcome Measure | |||
---|---|---|---|
IRR | 95% CI | p | |
Primary binge-drinking outcomes | |||
Number of drinks in past 30 days | |||
Intention-to-treat analysis | 0.69 | 0.52, 0.91 | 0.01 |
Sensitivity analysis adjusting for correlates of missingness | 0.69 | 0.54, 0.89 | 0.004 |
As-treated analysis | 0.79 | 0.61, 1.03 | 0.09 |
Any binge drinking in past week | |||
Intention-to-treat analysis | 0.83 | 0.72, 0.96 | 0.01 |
Sensitivity analysis adjusting for correlates of missingness | 0.81 | 0.70, 0.93 | 0.003 |
As-treated analysis | 0.84 | 0.71, 0.99 | 0.04 |
Number of drinking days in past week | |||
Intention-to-treat analysis | 0.98 | 0.85, 1.13 | 0.80 |
Sensitivity analysis adjusting for correlates of missingness | 0.97 | 0.84, 1.14 | 0.74 |
As-treated analysis | 0.97 | 0.80, 1.18 | 0.77 |
Number of binge-drinking days in past week | |||
Intention-to-treat analysis | 0.74 | 0.56, 0.98 | 0.03 |
Sensitivity analysis adjusting for correlates of missingness | 0.70 | 0.53, 0.93 | 0.01 |
As-treated analysis | 0.67 | 0.47, 0.96 | 0.03 |
Alcohol use biomarker outcomes | |||
Ethyl glucuronide (EtG) positivity (>100 ng/mL) | |||
Intention-to-treat analysis | 1.02 | 0.83, 1.26 | 0.84 |
Sensitivity analysis adjusting for correlates of missingness | 1.01 | 0.82, 1.24 | 0.93 |
Sensitivity analysis imputing missing urine samples as positive | 1.06 | 0.90, 1.25 | 0.50 |
As-treated analysis | 0.97 | 0.76, 1.25 | 0.82 |
Phosphatidylethanol (PEth) positivity (>20 ng/mL) | |||
Intention-to-treat analysis | 0.92 | 0.79, 1.08 | 0.33 |
Sensitivity analysis adjusting for correlates of missingness | 0.92 | 0.79, 1.08 | 0.31 |
Sensitivity analysis imputing missing dried blood spot samples as positive | 0.92 | 0.79, 1.07 | 0.30 |
As-treated analysis | 0.84 | 0.69, 1.03 | 0.10 |
Coefficient | 95% CI | p | |
| |||
Phosphatidylethanol (PEth) concentration | |||
Intention-to-treat analysis | −37.37 | −77.94, 3.21 | 0.07 |
Sensitivity analysis adjusting for correlates of missingness | −36.16 | −76.96, 4.65 | 0.08 |
As-treated analysis | −55.47 | −110.75, −0.20 | 0.04 |
Secondary outcomes | |||
Alcohol craving visual analogue scale rating | −9.25 | −17.20, −1.31 | 0.02 |
Alcohol Use Disorders Identification Test score | −0.49 | −2.40, 1.42 | 0.62 |
Severity of Alcohol Dependence Scale score | −0.15 | −0.76, 0.45 | 0.62 |
Center for Epidemiologic Studies Depression Scale score | −1.12 | −3.46, 1.23 | 0.35 |
IRR | 95% CI | p | |
| |||
Sexual behavior outcomes | |||
Number of male partners | 1.21 | 0.84, 1.75 | 0.30 |
Number of nonprimary male partners | 1.48 | 0.96, 2.30 | 0.08 |
Number of male partners whom participant drank alcohol with | 0.94 | 0.64, 1.38 | 0.76 |
Anal intercourse with HIV serodiscordant partners | 1.26 | 0.72, 2.20 | 0.42 |
Condomless anal intercourse with HIV serodiscordant partners | 1.21 | 0.67, 2.19 | 0.52 |
Receptive anal intercourse with HIV serodiscordant partners | 1.22 | 0.59, 2.52 | 0.59 |
Receptive condomless anal intercourse with HIV serodiscordant partners | 1.55 | 0.73, 3.28 | 0.25 |
Insertive anal intercourse with HIV serodiscordant partners | 1.42 | 0.62, 3.26 | 0.40 |
Insertive condomless anal intercourse with HIV serodiscordant partners | 1.88 | 0.66, 5.39 | 0.24 |
IRR=incidence rate ratio.