Trends in condom use and risk behaviours after sexual exposure to HIV: A seven-year observational study

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Abstract

Objective: We aimed to determine the trends in numbers and percentages of sexually exposed persons to HIV (SE) consulting an ED for post-exposure prophylaxis (PEP), as well as predictors of condom use. Study Design: We conducted a prospective-observational study. Methods: We included all SE attendances in our Emergency Department (ED) during a seven-year study-period (2006-2012). Trends were analyzed using time-series analysis. Logistic Regression was used to define indicators of condom use. Results: We enrolled 1851 SE: 45.7% reported intercourse without condom-use and 12.2% with an HIV-infected partner. Significant (p<0.01) rising trends were observed in the overall number of SE visits (+75%), notably among men having sex with men (MSM) (+126%). There were rising trends in the number and percentage of those reporting intercourse without condom-use in the entire population +91% (p<0.001) and +1% (p>0.05), in MSM +228% (p<0.001) and +49% (p<0.001), in Heterosexuals +68% (p<0.001) and +10% (p = 0.08). Among MSM, significant rising trends were found in those reporting high-risk behaviours: anal receptive (+450% and +76%) and anal insertive (+l33% and +70%) intercourses. In a multivariate logistic regression analysis, heterosexuals, vaginal intercourse, visit during the night-shift and short time delay between SE and ED visit, were significantly associated with condom-use. Conclusion: We report an increasing trend in the number of SE, mainly among MSM, and rising trends in high-risk behaviours and unprotected sexual intercourses among MSM. Our results indicate that SE should be considered as a highrisk population for HIV and sexually transmitted diseases. © 2014 Casalino et al.

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Casalino, E., Choquet, C., Leleu, A., Hellmann, R., Wargon, M., Juillien, G., … Bouvet, E. (2014). Trends in condom use and risk behaviours after sexual exposure to HIV: A seven-year observational study. PLoS ONE, 9(8). https://doi.org/10.1371/journal.pone.0104350

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