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[ Article ] Biological Validation of Self-Reported Unprotected Sex and Comparison of Underreporting Over Two Different Recall Periods Among Female Sex Workers in Benin
| Date de soumission: | 18-02-2021 |
|---|---|
| Année de Publication: | 2019 |
| Entité/Laboratoire | Laboratoire de Bacteriologie-Virologie (LBV) |
| Document type : | Article |
| Discipline(s) : | Médecine de Laboratoire & Technologie Médicale |
| Titre | Biological Validation of Self-Reported Unprotected Sex and Comparison of Underreporting Over Two Different Recall Periods Among Female Sex Workers in Benin |
|---|---|
| Auteurs | AFFOLABI DISSOU [6], |
| Journal: | Open Forum Infect Dis |
| Catégorie Journal: | Internationale |
| Impact factor: | 1.4 |
| Volume Journal: | 6 |
| DOI: | 10.1093/ofid/ofz010A |
| Resume | Background: Self-reported unprotected sex validity is questionable and is thought to decline with longer recall periods. We used biomarkers of semen to validate self-reported unprotected sex and to compare underreporting of unprotected sex between 2 recall periods among female sex workers (FSW). Methods: At baseline of an early antiretroviral therapy and pre-exposure prophylaxis demonstration study conducted among FSW in Cotonou, Benin, unprotected sex was assessed with retrospective questionnaires, and with vaginal detection of prostate-specific antigen (PSA) and Y-chromosomal deoxyribonucleic acid (Yc-DNA). Underreporting in the last 2 or 14 days was defined as having reported no unprotected sex in the recall period while testing positive for PSA or Yc-DNA, respectively. Log-binomial regression was used to compare underreporting over the 2 recall periods. Results: Unprotected sex prevalence among 334 participants was 25.8% (50.3%) according to self-report in the last 2 (or 14) days, 32.0% according to PSA, and 44.3% according to Yc-DNA. The proportion of participants underreporting unprotected sex was similar when considering the last 2 (18.9%) or 14 days (21.0%; proportion ratio = 0.90; 95% confidence interval, 0.72-1.13). Among the 107 participants who tested positive for PSA, 19 (17.8%) tested negative for Yc-DNA. Conclusions: Underreporting of unprotected sex was high among FSW but did not seem to be influenced by the recall period length. Reasons for discrepancies between PSA and Yc-DNA detection, where women tested positive for PSA but negative for Yc-DNA, should be further investigated. |
| Mots clés | Y-chromosomal DNA; female sex workers; misreporting; prostate-specific antigen; sexual behavior. |
| Pages | 1 - 6 |
| Fichier |  (PDF) |
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