Table 2. Bivariate and multivariable analysis on predictors of PrEP use intentions (N = 227).
| Odds Ratio (unadjusted) |
P-value | Odds Ratio (adjusted)* |
P-value | |
|---|---|---|---|---|
| Education | ||||
| ≤ Junior high | 10.56 | 0.01 | 7.70 | 0.04 |
| Some high school | 3.37 | NS | 2.46 | NS |
| High school degree or GED | 3.80 | NS | 2.29 | NS |
| ≥ College degree | 1.00 | -- | 1.00 | -- |
| Annual Income | ||||
| <$6K | 1.00 | -- | 1.00 | -- |
| $6K – 11,999 | 1.15 | NS | 0.97 | NS |
| $12K – 17,999 | 0.95 | NS | 1.26 | NS |
| $18K – 23,999 | 1.78 | NS | 3.32 | NS |
| $24K – 29,999 | 5.67 | 0.05 | 13.03 | 0.04 |
| $30K – 59,999 | 0.74 | NS | 2.02 | NS |
| >$60K | 0.15 | 0.0005 | 0.76 | NS |
| Awareness of PrEP | 1.00 | -- | 1.00 | -- |
| No awareness of PrEP | 2.00 | 0.05 | 1.88 | NS |
| No PrEP side effects | 2.95 | 0.006 | 3.53 | 0.0013 |
| PrEP side effects | 1.00 | -- | 1.00 | -- |
| PrEP does not cost money | 3.73 | 0.02 | 4.21 | 0.05 |
| PrEP does cost money | 1.00 | -- | 1.00 | -- |
| ≤ 10 male sex partners in the previous 12-months | 2.63 | 0.002 | -- | -- |
| > 10 male sex partners in the previous 12-months | 1.00 | -- | -- | -- |
| ≤ 10 anonymous male sex partners in the previous 12-months | 2.56 | 0.007 | -- | -- |
| > 10 anonymous male sex partners in the previous 12-months | 1.00 | -- | -- | -- |
| Not meeting sexual partners on the Internet | 2.00 | 0.03 | -- | -- |
| Meeting sexual partners on the Internet | 1.00 | -- | -- | -- |
| Identifies as a “barebacker” | 1.92 | 0.06 | 1.39 | NS |
| Does not identify as a “barebacker” | 1.00 | -- | 1.00 | -- |
| No previous STI diagnosis | 1.81 | 0.06 | 1.13 | NS |
| Previous STI diagnosis | 1.00 | -- | 1.00 | -- |
| Marijuana use during sex in the previous 12-months | 2.18 | 0.01 | 1.85 | NS |
| No Marijuana use | 1.00 | -- | 1.00 | -- |
| Being less optimistic about HIV management (continuous, higher scores reflecting lower optimism) | 0.94 | 0.05 | 0.96 | NS |
*
Final multivariable logistic regression model controlled for age and race/ethnicity.
The following variables were not statistically significant in the bivariate models for PrEP use intention and are not shown in the table: age; race/ethnicity; health care coverage; sexual orientation; depressive symptoms (CES-D); history of nPEP use; alcohol dependence (CAGE questionnaire); substance use during sex in the past 12-months, including poppers, ecstasy, gamma hydroxybutyrate (GHB), cocaine, ketamine, or crystal methamphetamine; unprotected and serodiscordant unprotected anal sex in the past 12-months; total number of male or female sexual partners; number of people participant knows who have HIV; and number of close friends with HIV.