Le SIDA au Ghana (serveur d'exploration)

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Minimal coital dilution in Accra, Ghana.

Identifieur interne : 000259 ( PubMed/Corpus ); précédent : 000258; suivant : 000260

Minimal coital dilution in Accra, Ghana.

Auteurs : Samuel M. Jenness ; Adriana A E. Biney ; William K. Ampofo ; Francis Nii-Amoo Dodoo ; Susan Cassels

Source :

RBID : pubmed:25622062

English descriptors

Abstract

Coital dilution, the reduction in the coital frequency per partner when an additional ongoing partner is added, may reduce the transmission potential of partnership concurrency for HIV and other sexually transmitted infections. Empirical estimates of dilution, especially dilution of sexual acts unprotected by condoms, are needed to inform prevention research.

DOI: 10.1097/QAI.0000000000000543
PubMed: 25622062

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pubmed:25622062

Le document en format XML

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<name sortKey="Jenness, Samuel M" sort="Jenness, Samuel M" uniqKey="Jenness S" first="Samuel M" last="Jenness">Samuel M. Jenness</name>
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<nlm:affiliation>*Department of Epidemiology, University of Washington, Seattle, WA; †Regional Institute for Population Studies, University of Ghana, Legon, Ghana; ‡Department of Virology, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Ghana; §Department of Sociology, Pennsylvania State University, University Park, PA; and ‖Department of Geography, University of California, Santa Barbara, CA.</nlm:affiliation>
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<name sortKey="Biney, Adriana A E" sort="Biney, Adriana A E" uniqKey="Biney A" first="Adriana A E" last="Biney">Adriana A E. Biney</name>
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<name sortKey="Nii Amoo Dodoo, Francis" sort="Nii Amoo Dodoo, Francis" uniqKey="Nii Amoo Dodoo F" first="Francis" last="Nii-Amoo Dodoo">Francis Nii-Amoo Dodoo</name>
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<div type="abstract" xml:lang="en">Coital dilution, the reduction in the coital frequency per partner when an additional ongoing partner is added, may reduce the transmission potential of partnership concurrency for HIV and other sexually transmitted infections. Empirical estimates of dilution, especially dilution of sexual acts unprotected by condoms, are needed to inform prevention research.</div>
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<AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">Coital dilution, the reduction in the coital frequency per partner when an additional ongoing partner is added, may reduce the transmission potential of partnership concurrency for HIV and other sexually transmitted infections. Empirical estimates of dilution, especially dilution of sexual acts unprotected by condoms, are needed to inform prevention research.</AbstractText>
<AbstractText Label="METHODS" NlmCategory="METHODS">Sexually active adults in Accra, Ghana were recruited in a multistage household probability sample. Degree (number of ongoing partners), total acts, and unprotected acts were measured retrospectively for each month in the past year through an event history calendar. Random-effects negative binomial models estimated the association between degree and coital frequency.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">Compared with person-months with a single partner (monogamy), 2.06 times as many total acts and 1.94 times as many unprotected acts occurred in months with 2 partners. In months with 3 partners, 2.90 times as many total acts and 2.39 times as many unprotected acts occurred compared with monogamous months. Total acts but not unprotected acts also declined with partnership duration.</AbstractText>
<AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">No dilution was observed for total acts with up to 3 concurrent partners, but a small amount of dilution was observed for unprotected acts for months with multiple concurrencies. This suggests moderate selective condom use in months with multiple concurrencies. The implications of the observed dilution for future HIV transmission must be investigated with mathematical models.</AbstractText>
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