[Determinants of condom use and heterosexual multiple sexual partnership in French Antilles and French Guiana].
BACKGROUND
After Subsaharan Africa, the Caribbean is the world's region most affected by HIV/AIDS. The French-American departments (Guadeloupe, Martinique, Guiana), FAD, are located in the heart of this region. Although lower than in other states of the Caribbean, AIDS incidence is much more higher than in France (up to 15 times more in Guiana). Transmission is mostly heterosexual. The frequency, particularly among men, of multiple sexual partnerships frequently taking place concurrently, and the persistence of this activity in older age, contribute to the level of the HIV epidemic and its characteristics. The purpose of this article is to identify, in the FAD, the determinants of condom use among persons with multiple sexual partners (either at last intercourse or during a concurrent relationship), taking into account the variety of multiple sexual partnership situations.


METHODS
Data are taken from an HIV/AIDS KABP survey, based on a probability sample of men and women aged 18 to 69 years, resident in FAD. In total, 3104 interviews were conducted by telephone in 2004: around 1000 in each department.


RESULTS
Among men and women who report two or more partners in the past five years, there is substantial heterogeneity in level of condom use at last intercourse, depending on the duration and type of the relationship: 73% of respondents reported condom use with a casual partner and 14% with a cohabiting partner. Men and women who were engaged in concurrent partnerships in the past five years were at higher risk of infection: 7% reported an STI versus 4% among those who had two or more partners, but not at the same time. Women, older persons, people with a lower level of education and those engaged in concurrent partnerships reported a lower level of condom use, thus increasing their vulnerability to HIV/AIDS.


CONCLUSIONS
Although HIV/AIDS prevention has increased among male and women engaged in multiple sexual partnerships, there is still a lack of consistent condom use in this population. These results highlight the need for more diversified prevention programs, taking into account sociodemographic factors and the diversity of situations involving multiple sexual partnership.
Observatoire régional de santé d'Île-de-France, 21-23 rue Miollis, 75015 Paris, France.
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D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D017280:Condoms / Q000706:statistics & numerical data*; D004522:Educational Status; D005260:Female; D005616:French Guiana; D015438:Health Behavior; D006306:Health Surveys; D020010:Heterosexuality; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D012747:Sexual Partners; D014900:West Indies