Table 2.
Adherence to Duet use among intervention group participants (n = 83), by regimen
| Continuous regimen (n = 80) | Precoital regimen (n = 82) | |||
|---|---|---|---|---|
| Duet adherence | mean | med (range) | mean | med (range) |
| Days Duet worn | 13.3 | 14.0 (7-14) | NA | NA |
| Number of sex acts | 10.2 | 9.0 (2-42) | 10.5 | 10.0 (2-42) |
| n | % | n | % | |
| Duet regimen adherence | ||||
| Worn at least 80% of days | 71 | 89.9 | NA | NA |
| Worn 100% of days | 64 | 81 | NA | NA |
| Duet adherence during sex | ||||
| Worn at least 80% of sex acts | 74 | 93.7 | 77 | 93.9 |
| Worn 100% of sex acts | 70 | 88.6 | 73 | 89 |
| Ever used Duet precoitally during continuous regimen | 1 | 1.3 | 1 | 1.3 |
| Duet ever came out on its own | 2 | 2.5 | 0 | 0 |
| Mean/median number of times Duet came out on its own* | 1.5 | 1.5 | 0 | 0 |
| Reasons for non-adherence | ||||
| Main reason Duet not used during sex | ||||
| Used the Duet every time for sex | 69 | 87.3 | 74 | 90.2 |
| Partner refused to use it | 4 | 5.1 | 3 | 3.7 |
| Did not have Duet with her/forgot to use it | 1 report each | 2.6 | 2 reports each | 4.8 |
| Discomfort/having menses/did not have time to insert | 1 report each | 3.9 | 0 | 0 |
| Other | 2 | 2.5 | 1 | 1.2 |
| Main reason Duet not used every day | ||||
| Used the Duet every day | 62 | 78.5 | NA | NA |
| Did not have the Duet with her | 5 | 6.3 | NA | NA |
| Partner refused to use it | 3 | 3.8 | NA | NA |
| Discomfort/did not have sex/having menses/other | 2 reports each | 10.0 | NA | NA |
| Forgot to use it | 1 | 1.3 | NA | NA |
| Condom adherence | ||||
| Worn at least 80% of sex acts | 52 | 65.8 | 53 | 65.4 |
| Worn 100% of sex acts | 50 | 63.3 | 53 | 65.4 |
*Denominators and proportions exclude missing data for n = 4 for continuous-use adherence and n = 1 for precoital-use adherence.