Associations with Experience of TOP Among FSWs in Univariate and Multivariable Poisson Regression Corrected for RDS-Weighting and Clustering by Seed, Cameroon
| N | TOP | Unadjusted Analysis | Adjusted Analysis | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n | % | PR | 95% CI | P Value | aPR | 95% CI | P Value | ||
| Site | |||||||||
| Yaounde | 573 | 219 | 38.2 | REF | REF | ||||
| Douala | 457 | 233 | 51.0 | 1.31 | (1.13, 1.52) | <.001 | 1.21 | (1.04, 1.42) | .01 |
| Bertoua | 300 | 81 | 27.0 | 0.70 | (0.56, 0.87) | .001 | 0.87 | (0.69, 1.10) | .26 |
| Bamenda | 341 | 169 | 49.6 | 1.26 | (1.07, 1.48) | .005 | 1.26 | (1.04, 1.53) | .02 |
| Kribi | 579 | 200 | 34.5 | 0.89 | (0.76, 1.05) | .17 | 1.04 | (0.88, 1.23) | .66 |
| Age group, years | |||||||||
| 18–24 | 722 | 203 | 28.1 | REF | REF | ||||
| 25–34 | 889 | 388 | 43.6 | 1.58 | (1.29, 1.93) | <.001 | 1.46 | (1.19, 1.79) | <.001 |
| 35+ | 639 | 311 | 48.7 | 1.73 | (1.42, 2.12) | <.001 | 1.70 | (1.35, 2.13) | <.001 |
| Education level | |||||||||
| Primary school or less | 700 | 272 | 38.9 | REF | |||||
| Any secondary education or higher | 1,549 | 630 | 40.7 | 1.01 | (0.88, 1.17) | .86 | |||
| Previously tested for HIVa | |||||||||
| No | 223 | 49 | 22.0 | REF | |||||
| Yes | 2024 | 851 | 42.0 | 1.92 | (1.32, 2.79) | .001 | |||
| HIV status | |||||||||
| Negative | 1,695 | 658 | 38.8 | REF | REF | ||||
| Positive, previously diagnosed | 290 | 148 | 51.0 | 1.31 | (1.16, 1.49) | <.001 | 1.13 | (0.96, 1.34) | .13 |
| Positive, newly diagnosed | 258 | 95 | 36.8 | 0.95 | (0.80, 1.13) | .54 | 0.88 | (0.71, 1.10) | .27 |
| Indeterminate | 7 | 1 | 14.3 | 0.37 | (0.06, 2.26) | .28 | 1.82 | (0.77, 4.30) | .17 |
| Received any information on HIV in past 6 months | |||||||||
| No | 755 | 268 | 35.5 | REF | REF | ||||
| Yes | 1,495 | 634 | 42.4 | 1.21 | (1.04, 1.41) | .01 | 1.13 | (0.96, 1.31) | .13 |
| Uses nonbarrier contraceptive | |||||||||
| No | 1,655 | 619 | 37.4 | REF | REF | ||||
| Yes | 595 | 283 | 47.6 | 1.29 | (1.12, 1.48) | <.001 | 1.23 | (1.07, 1.42) | .003 |
| Ever used emergency contraception | |||||||||
| No | 1,892 | 705 | 37.3 | REF | REF | ||||
| Yes | 354 | 196 | 55.4 | 1.36 | (1.18, 1.57) | <.001 | 1.34 | (1.17, 1.55) | <.001 |
| Engaged in sex work during last pregnancy | |||||||||
| No | 1,253 | 549 | 43.8 | REF | |||||
| Yes | 650 | 268 | 41.2 | 0.90 | (0.77, 1.05) | .19 | |||
| Intend to have children in the future | |||||||||
| No | 759 | 335 | 44.1 | 1.16 | (1.02, 1.33) | .03 | REF | ||
| Yes | 1,449 | 547 | 37.8 | REF | 1.01 | (0.87, 1.18) | .86 | ||
| Does not know | 42 | 20 | 47.6 | 1.00 | (0.55, 1.81) | .99 | 0.93 | (0.54, 1.59) | .79 |
| Number of clients in past month | |||||||||
| 0–30 | 1195 | 450 | 37.7 | REF | REF | ||||
| 31–60 | 346 | 138 | 39.9 | 1.10 | (0.91, 1.34) | .32 | 1.12 | (0.91, 1.38) | .27 |
| >60 | 615 | 289 | 47.0 | 1.27 | (1.09, 1.48) | .002 | 1.29 | (1.07, 1.54) | .006 |
| Unknown | 94 | 25 | 26.6 | 0.88 | (0.53, 1.45) | .61 | 1.01 | (0.57, 1.78) | .98 |
| Condom use during vaginal/anal sex with clients | |||||||||
| Consistent | 1745 | 688 | 39.4 | REF | REF | ||||
| Inconsistent | 502 | 213 | 42.4 | 1.09 | (0.92, 1.28) | .33 | 1.17 | (1.00, 1.37) | .04 |
| Any regular sex partner(s) in past year | |||||||||
| No | 611 | 232 | 38.0 | REF | REF | ||||
| Yes | 1,636 | 669 | 40.9 | 1.14 | (0.97, 1.33) | .11 | 1.15 | (0.99, 1.34) | .07 |
| Condom failure in the past year | |||||||||
| Never | 875 | 322 | 36.8 | REF | |||||
| 1–4 times | 803 | 337 | 42.0 | 1.07 | (0.92, 1.25) | .40 | |||
| 5+ times | 515 | 226 | 43.9 | 0.98 | (0.82, 1.16) | .79 | |||
| Ever experienced physical violence or assault | |||||||||
| No | 1688 | 626 | 37.1 | REF | REF | ||||
| Yes | 558 | 276 | 49.5 | 1.27 | (1.11, 1.46) | .001 | 1.24 | (1.09, 1.42) | .001 |
| Ever forced to have sex | |||||||||
| No | 1515 | 576 | 38.0 | REF | |||||
| Yes | 733 | 325 | 44.3 | 1.09 | (0.94, 1.25) | .25 | |||
Abbreviations: aPR, adjusted prevalence ratio; CI, confidence interval; FSW, female sex worker; PR, prevalence ratio; RDS, respondent-driven sampling; TOP, termination of pregnancy.
↵a Excluded from adjusted analyses due to collinearity with HIV status.