Table 2.
Univariate and multivariate logistic regressions of rectal STI acquisition by lubricant type
| 95% CI |
|||||
|---|---|---|---|---|---|
| Odds ratio | Lower | Upper | P value | Standard error | |
| Univariate | |||||
| Water-Based | 1.40 | 0.29 | 6.63 | .67 | 1.11 |
| Oil-Based | 2.39 | 0.44 | 12.98 | .31 | 2.06 |
| Spit/Saliva | 3.30 | 0.83 | 13.10 | .09 | 2.32 |
| Other | 2.69 | 0.49 | 14.71 | .25 | 2.33 |
| Constant | 0.07 | 0.02 | 0.22 | .00 | 0.04 |
| Multivariate | |||||
| Water-Based | 1.93 | 0.37 | 10.06 | .44 | 1.62 |
| Oil-Based | 2.79 | 0.49 | 15.89 | .25 | 2.48 |
| Spit/Saliva | 4.43 | 1.03 | 19.08 | .05 | 3.30 |
| Other | 3.80 | 0.62 | 23.08 | .15 | 3.50 |
| Age | 1.03 | 0.99 | 1.07 | .17 | 0.02 |
| Number of sexual partners | 1.01 | 0.99 | 1.03 | .35 | 0.01 |
| Last encounter without a condom | 1.31 | 0.34 | 5.07 | .69 | 0.91 |
| Constant | 0.02 | 0.00 | 0.15 | .00 | 0.02 |