Sexual behaviors in Kinshasa (D.R.Congo): a case-control study on HIV-related knowledge, attitudes and practices
ESC Congress Library. Lopez-del Burgo C. May 4, 2016; 127037; A-212
Prof. Dr. Cristina Lopez-del Burgo
Prof. Dr. Cristina Lopez-del Burgo
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Background: Sub-saharan Africa has one of the highest prevalence of HIV in the world, the heterosexual transmission being the main route for infection.
Objective: To evaluate the prevalence of sexual behaviors in an outpatient center of Kinshasa (D.R. Congo) and to analyze the association between these behaviors and HIV infection.
Methods: A case-control study was carried out from December 2010 until June 2012. One thousand six hundred and fourteen participants, aged 15-49, attending Monkole-Hospital in Kinshasa for HIV-Voluntary-Counseling-Testing or blood donation were recruited. Before HIV testing, a face-to-face interview on HIV-related knowledge, attitudes and behaviours was conducted. Cases and controls were respondents with new diagnosed HIV-positive or HIV-negative test, respectively. Logistic regression was used to analyze the association between sexual behaviors and HIV positivity.
Results: 274 cases and 1340 controls were recruited. Cases were more likely than controls to be female, aged >25, with low educational level and to have multiple (serial or concurrent) sexual partners, to have had some sexual relationships without consent and to refer inconsistent or no condom use. Consistent use of condom was very infrequent (1.46% cases, 6.27% controls). Abstinence from sex was also low among those aged <25 years (8.81%). Having multiple partners was independently associated with being male (adjusted OR=2.68; 95% CI 1.97-3.63) and being >25 years old (adjusted OR=2.10; 95% CI 1.56-2.82). On the other hand, having an HIV positive test was independently associated with having had multiple sexual partners, both concurrent (adjusted OR=3.59; 95% CI 2.32-5.56) and serial (adjusted OR=2.89; 95% CI 2.10-4.05). The consistent use of condoms was a protective factor for being HIV+ (adjusted OR=0.23; 95% CI 0.08-0.68). The magnitude of the detrimental effect of having multiple partners was higher than the protective effect of the consistent use of condoms when both variables were present in the same regression model (i.e. adjusted for each other).
Conclusions: Among young and adults in Kinshasa, use of condom is scarce while having multiple partners is highly prevalent, especially among men. Preventive strategies in Kinshasa need to focus on reducing the number of sexual partners and not only on promoting the consistent use of con

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