SidaGhanaV1, Main, Exploration, bibRecord, 000309

Minimal Coital Dilution in Accra, Ghana

Identifieur interne : 000309 ( Main/Exploration ); précédent : 000308; suivant : 000310

Minimal Coital Dilution in Accra, Ghana

Auteurs : Samuel M. Jenness [États-Unis] ; Adriana A. E. Biney [Ghana] ; William Kwabena Ampofo [Ghana] ; F. Nii-Amoo Dodoo [Ghana, États-Unis] ; Susan Cassels [États-Unis]

Source :

Journal of acquired immune deficiency syndromes (1999) [ 1525-4135 ] ; 2015.

RBID : PMC:4424052

Descripteurs français

KwdFr :
- Adolescent, Adulte, Adulte d'âge moyen, Caractéristiques familiales, Comportement sexuel à risque, Coït, Femelle, Ghana, Humains, Jeune adulte, Maladies sexuellement transmissibles (transmission), Maladies sexuellement transmissibles (épidémiologie), Mâle, Partenaire sexuel, Études transversales.
MESH :
- épidémiologie : Maladies sexuellement transmissibles.
- Adolescent, Adulte, Adulte d'âge moyen, Caractéristiques familiales, Comportement sexuel à risque, Coït, Femelle, Ghana, Humains, Jeune adulte, Mâle, Partenaire sexuel, Études transversales.
Wicri :
- geographic : Ghana.

English descriptors

KwdEn :
- Adolescent, Adult, Coitus, Cross-Sectional Studies, Family Characteristics, Female, Ghana, Humans, Male, Middle Aged, Sexual Partners, Sexually Transmitted Diseases (epidemiology), Sexually Transmitted Diseases (transmission), Unsafe Sex, Young Adult.
MESH :
- geographic : Ghana.
- epidemiology : Sexually Transmitted Diseases.
- transmission : Sexually Transmitted Diseases.
- Adolescent, Adult, Coitus, Cross-Sectional Studies, Family Characteristics, Female, Humans, Male, Middle Aged, Sexual Partners, Unsafe Sex, Young Adult.

Abstract

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.

Methods

Sexually active adults in Accra, Ghana were recruited in a multi-stage 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.

Results

Compared to 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 to monogamous months. Total acts but not unprotected acts also declined with partnership duration.

Conclusions

No dilution was observed for total acts with up to three 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.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4424052

DOI: 10.1097/QAI.0000000000000543
PubMed: 25622062
PubMed Central: 4424052

Affiliations:

Le document en format XML

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<term>Adult</term>
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<term>Cross-Sectional Studies</term>
<term>Family Characteristics</term>
<term>Female</term>
<term>Ghana</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Sexual Partners</term>
<term>Sexually Transmitted Diseases (epidemiology)</term>
<term>Sexually Transmitted Diseases (transmission)</term>
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<term>Adulte</term>
<term>Adulte d'âge moyen</term>
<term>Caractéristiques familiales</term>
<term>Comportement sexuel à risque</term>
<term>Coït</term>
<term>Femelle</term>
<term>Ghana</term>
<term>Humains</term>
<term>Jeune adulte</term>
<term>Maladies sexuellement transmissibles (transmission)</term>
<term>Maladies sexuellement transmissibles (épidémiologie)</term>
<term>Mâle</term>
<term>Partenaire sexuel</term>
<term>Études transversales</term>
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<keywords scheme="MESH" type="geographic" xml:lang="en"><term>Ghana</term>
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<keywords scheme="MESH" qualifier="transmission" xml:lang="en"><term>Sexually Transmitted Diseases</term>
</keywords>
<keywords scheme="MESH" qualifier="épidémiologie" xml:lang="fr"><term>Maladies sexuellement transmissibles</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Adolescent</term>
<term>Adult</term>
<term>Coitus</term>
<term>Cross-Sectional Studies</term>
<term>Family Characteristics</term>
<term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Sexual Partners</term>
<term>Unsafe Sex</term>
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<term>Adulte</term>
<term>Adulte d'âge moyen</term>
<term>Caractéristiques familiales</term>
<term>Comportement sexuel à risque</term>
<term>Coït</term>
<term>Femelle</term>
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<term>Humains</term>
<term>Jeune adulte</term>
<term>Mâle</term>
<term>Partenaire sexuel</term>
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<front><div type="abstract" xml:lang="en"><sec id="S1"><title>Background</title>
<p id="P1">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.</p>
</sec>
<sec id="S2"><title>Methods</title>
<p id="P2">Sexually active adults in Accra, Ghana were recruited in a multi-stage 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.</p>
</sec>
<sec id="S3"><title>Results</title>
<p id="P3">Compared to 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 to monogamous months. Total acts but not unprotected acts also declined with partnership duration.</p>
</sec>
<sec id="S4"><title>Conclusions</title>
<p id="P4">No dilution was observed for total acts with up to three 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.</p>
</sec>
</div>
</front>
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Le SIDA au Ghana (serveur d'exploration)

Minimal Coital Dilution in Accra, Ghana

Minimal Coital Dilution in Accra, Ghana

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	Le SIDA au Ghana (serveur d'exploration)
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