Table 3.
Multivariable risk factors for number of sex partners in the past 30 days. TDF2 clinical trial, Botswana 2007–2010.
| Characteristic | No sex partners | 1 or more sex partners | ||||
|---|---|---|---|---|---|---|
| Odds Ratio |
95% CI | p-value | Rate Ratio |
95% CI | p-value | |
| Time (per year) | 1.02 | 1.01, 1.03 | <.0001 | .97 | .97, .98 | <.0001 |
| Treatment Arm Perception |
||||||
| TDF | 0.92 | 0.68, 1.22 | .5476 | 1.04 | 0.84, 1.29 | .7328 |
| Not Sure | 0.94 | 0.73, 1.20 | .6008 | 1.02 | 0.85, 1.23 | .8357 |
| Placebo | REF | REF | ||||
| Marital Status | ||||||
| Single | REF | -- | -- | -- | ||
| Married | 0.33 | 0.17, 0.62 | .0006 | -- | -- | -- |
| Age | ||||||
| 18–20 | -- | -- | -- | REF | ||
| 21–29 | -- | -- | -- | 3.12 | 1.18, 8.24 | .0224 |
| 30+ | -- | -- | -- | 2.14 | 0.75, 6.12 | .1568 |
| Occupational Status | ||||||
| Employed | 0.76 | 0.58, 1.00 | .0467 | -- | -- | -- |
| Unemployed | REF | -- | -- | -- | ||
| Sexual Debut | ||||||
| 15 or less | -- | -- | -- | 2.92 | 2.01, 4.22 | <.0001 |
| 16–17 | -- | -- | -- | 2.34 | 1.69, 3.24 | <.0001 |
| 18–19 | -- | -- | -- | 1.23 | 0.91, 1.67 | .1834 |
| 20+ | -- | -- | -- | REF | ||
| Gender | ||||||
| Female | -- | -- | -- | REF | ||
| Male | -- | -- | -- | 3.67 | 2.86, 4.71 | <.0001 |
| STI | ||||||
| Yes | -- | -- | -- | 1.79 | 1.34, 2.41 | .0001 |
| No | -- | -- | -- | REF | ||
| HSV-2 | ||||||
| Yes | 0.58 | 0.44, 0.76 | .0001 | -- | -- | -- |
| No | REF | -- | -- | -- | ||
Note: “--“ indicates the variable was not included in that component of the final multivariable model.