Primary and secondary outcomes
| Participants | Adjusted analysis* | |||
| Intervention (n=214) | Control (n=219) | OR (95% CI) | P value | |
| Primary outcome (ITT n=433) | ||||
| Fully protected intercourses, n/N (%) | 32/214 (15.0) | 35/219 (16.0) | 1.0 (0.6 to 1.8) | 0.97 |
| Secondary outcomes (ITT n=433) | ||||
| Mean number of partners | 4.4 | 4.4 | 0.9 (0.6 to 1.2) | 0.43 |
| Occurrence of STI,† n/N (%) | 69/214 (32.2) | 69/219 (31.5) | 1.1 (0.7 to 1.6) | 0.83 |
| STI testing,† n/N (%) | 180/214 (84.1) | 168/219 (76.7) | 1.5 (0.9 to 2.5) | 0.08 |
| Occurrence of pregnancy,† n/N (%) | 35/214 (16.4) | 39/219 (17.8) | 0.9 (0.6 to 1.6) | 0.80 |
*Adjusted for sex, condom proportion at baseline, relationship status at baseline and previous experience of STI.
†Worst case scenario imputed for missing values, that is, yes tested positive for STI, yes experienced pregnancy and yes tested for STI during study period.
ITT, intention to treat.