Table 3.
Adjusted logistic random intercept models of methamphetamine use with outcomes social adversity, sexual risk behaviors and STIs, HIV-related factors, and chronic health conditions among mSTUDY participants (Aug 2, 2014 to June 5, 2019)
| Methamphetamine use (past 6 mos.) a |
||||||
|---|---|---|---|---|---|---|
| Monthly or less | Weekly or more | |||||
| Dependent variables | AOR b | 95% CI | p | AOR b | 95% CI | p |
| Social adversity | ||||||
| Unemployment | 3.7 | 2.4, 5.8 | < .001 | 7.3 | 4.3, 12.3 | < .001 |
| Housing instability (past 6 mos.) | 3.4 | 2.2, 5.3 | < .001 | 6.7 | 4.1, 11.0 | < .001 |
| Intimate partner violence (past 12 mos.) | 2.2 | 1.3, 3.6 | .002 | 4.3 | 2.5, 7.3 | .003 |
| Sexual risk behaviors and STIs | ||||||
| New anal intercourse partner (past 6 mos.) | 1.8 | 1.2, 2.6 | .003 | 3.2 | 2.1, 4.8 | < .001 |
| Concurrent sexual partners (past 6 mos.) | 2.0 | 1.3, 3.0 | .001 | 4.8 | 3.0, 7.7 | < .001 |
| Exchange sex (past 3 mos.) | 4.8 | 2.8, 8.1 | < .001 | 15.5 | 8.9, 26.9 | < .001 |
| Positive STI test (chlamydia, gonorrhea, and/or syphilis) | 1.4 | 0.9, 2.0 | .105 | 2.3 | 1.6, 3.4 | < .001 |
| HIV-related factors | ||||||
| Detectable viral load (> 20 c/mL) c | 1.4 | 0.8, 2.4 | .146 | 3.2 | 1.8, 5.5 | < .001 |
| PrEP use (past 6 mos.) d | 1.3 | 0.7, 2.5 | .406 | 0.7 | 0.3, 1.6 | .402 |
| Chronic health conditions | ||||||
| Cardiovascular condition | 1.4 | 0.9, 2.2 | .130 | 1.3 | 0.8, 2.2 | .246 |
| Hepatic abnormality | 0.8 | 0.4, 1.8 | .596 | 1.8 | 0.9, 3.6 | .108 |
| Renal condition | 1.2 | 0.6, 2.4 | .642 | 2.1 | 1.0, 4.4 | .047 |
| Neurological condition | 1.2 | 0.7, 1.9 | .570 | 1.9 | 1.2, 3.1 | .008 |
| Psychological condition | 1.3 | 0.9, 1.9 | .111 | 1.9 | 1.3, 2.8 | .001 |
Abbreviation: AOR = Adjusted odds ratio; CI = Confidence interval
Reference group is “None” or no methamphetamine use
Estimates adjust for age at visit, race, HIV status, current cigarette smoking, binge drinking (past 6 months), and within-person correlations between repeated measurements
Measured in HIV-positive participants only
Measured in HIV-negative participants only