Trends in age at first sex in Uganda: evidence from Demographic and Health Survey data and longitudinal cohorts in Masaka and Rakai
Identifieur interne : 005573 ( Main/Exploration ); précédent : 005572; suivant : 005574Trends in age at first sex in Uganda: evidence from Demographic and Health Survey data and longitudinal cohorts in Masaka and Rakai
Auteurs : E. Slaymaker [Royaume-Uni] ; J B Bwanika [Ouganda] ; I. Kasamba [Ouganda] ; T. Lutalo [Ouganda] ; D. Maher [Ouganda] ; J. Todd [Ouganda]Source :
- Sexually Transmitted Infections [ 1368-4973 ] ; 2009-04.
Descripteurs français
- Wicri :
- geographic : Ouganda.
English descriptors
- KwdEn :
- Behaviour, Behaviour change, Birth cohort, Birth cohorts, Cohort, Cohort data, Cohort studies, Cumulative proportion, Hazard ratios, Health survey, Health survey data, Health surveys, Initial decline, Masaka, Masaka cohort, Masaka study, Median, Nations programme, Prevention programmes, Programme, Rakai, Rakai cohort, Rakai districts, Rakai study, Regression models, Rural uganda, Sexual behaviour, Sexual debut, Survival curves, Survival time, Transm, Uganda, Unaids, Value crude, Young people, Young women.
- Teeft :
- Behaviour, Behaviour change, Birth cohort, Birth cohorts, Cohort, Cohort data, Cohort studies, Cumulative proportion, Hazard ratios, Health survey, Health survey data, Health surveys, Initial decline, Masaka, Masaka cohort, Masaka study, Median, Nations programme, Prevention programmes, Programme, Rakai, Rakai cohort, Rakai districts, Rakai study, Regression models, Rural uganda, Sexual behaviour, Sexual debut, Survival curves, Survival time, Transm, Uganda, Unaids, Value crude, Young people, Young women.
Abstract
Objectives: To derive the best possible estimates of trends in age at first sex (AFS) among successive cohorts of Ugandan men and women based on all the data available from the Demographic and Health Surveys (DHS) and cohort studies in Masaka and Rakai districts. Methods: The datasets from the DHS, Masaka cohort and Rakai cohort were analysed separately. Survival analysis methods were used to estimate median AFS for men and women born in the 1950s–1980s and to compute hazard ratios for first sex, comparing later cohorts with earlier cohorts. Results: The DHS and Masaka data showed an increase in AFS in women in the more recent birth cohorts compared with those born before 1970, but this was less apparent in the Rakai data. Successive male cohorts in Masaka appeared first to have an increased AFS which subsequently decreased, a trend that was also apparent (but not significant) in the DHS data. Younger men in Rakai had an earlier AFS than those born before 1980. Conclusions: Women in Uganda who were born after 1970 have, on average, had sex at a later age than those born earlier. For men, AFS has not changed consistently over the period in question. Differences between Masaka and Rakai may reflect socioeconomic differences. Most of the change in AFS occurred too late to have contributed to the initial decline in the incidence of HIV.
Url:
- https://api.istex.fr/document/DD07CE9EBF05D374ADD3DE6A3DF9FA5A01FA21AD/fulltext/pdf
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2654114
DOI: 10.1136/sti.2008.034009
Affiliations:
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Kasamba</name><affiliation wicri:level="1"><country xml:lang="fr">Ouganda</country><wicri:regionArea>MRC/UVRI Research Unit on AIDS, Entebbe</wicri:regionArea><wicri:noRegion>Entebbe</wicri:noRegion></affiliation></author><author><name sortKey="Lutalo, T" sort="Lutalo, T" uniqKey="Lutalo T" first="T" last="Lutalo">T. Lutalo</name><affiliation wicri:level="1"><country xml:lang="fr">Ouganda</country><wicri:regionArea>Rakai Health Sciences Program, Kalisizo, Rakai</wicri:regionArea><wicri:noRegion>Rakai</wicri:noRegion></affiliation></author><author><name sortKey="Maher, D" sort="Maher, D" uniqKey="Maher D" first="D" last="Maher">D. Maher</name><affiliation wicri:level="1"><country xml:lang="fr">Ouganda</country><wicri:regionArea>MRC/UVRI Research Unit on AIDS, Entebbe</wicri:regionArea><wicri:noRegion>Entebbe</wicri:noRegion></affiliation></author><author><name sortKey="Todd, J" sort="Todd, J" uniqKey="Todd J" first="J" last="Todd">J. Todd</name><affiliation wicri:level="1"><country xml:lang="fr">Ouganda</country><wicri:regionArea>MRC/UVRI Research Unit on AIDS, Entebbe</wicri:regionArea><wicri:noRegion>Entebbe</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Sexually Transmitted Infections</title><title level="j" type="abbrev">Sex Transm Infect</title><idno type="ISSN">1368-4973</idno><idno type="eISSN">1472-3263</idno><imprint><publisher>BMJ Publishing Group Ltd</publisher><date type="published" when="2009-04">2009-04</date><biblScope unit="volume">85</biblScope><biblScope unit="issue">Suppl 1</biblScope><biblScope unit="page" from="12">i12</biblScope></imprint><idno type="ISSN">1368-4973</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1368-4973</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Behaviour</term><term>Behaviour change</term><term>Birth cohort</term><term>Birth cohorts</term><term>Cohort</term><term>Cohort data</term><term>Cohort studies</term><term>Cumulative proportion</term><term>Hazard ratios</term><term>Health survey</term><term>Health survey data</term><term>Health surveys</term><term>Initial decline</term><term>Masaka</term><term>Masaka cohort</term><term>Masaka study</term><term>Median</term><term>Nations programme</term><term>Prevention programmes</term><term>Programme</term><term>Rakai</term><term>Rakai cohort</term><term>Rakai districts</term><term>Rakai study</term><term>Regression models</term><term>Rural uganda</term><term>Sexual behaviour</term><term>Sexual debut</term><term>Survival curves</term><term>Survival time</term><term>Transm</term><term>Uganda</term><term>Unaids</term><term>Value crude</term><term>Young people</term><term>Young women</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Behaviour</term><term>Behaviour change</term><term>Birth cohort</term><term>Birth cohorts</term><term>Cohort</term><term>Cohort data</term><term>Cohort studies</term><term>Cumulative proportion</term><term>Hazard ratios</term><term>Health survey</term><term>Health survey data</term><term>Health surveys</term><term>Initial decline</term><term>Masaka</term><term>Masaka cohort</term><term>Masaka study</term><term>Median</term><term>Nations programme</term><term>Prevention programmes</term><term>Programme</term><term>Rakai</term><term>Rakai cohort</term><term>Rakai districts</term><term>Rakai study</term><term>Regression models</term><term>Rural uganda</term><term>Sexual behaviour</term><term>Sexual debut</term><term>Survival curves</term><term>Survival time</term><term>Transm</term><term>Uganda</term><term>Unaids</term><term>Value crude</term><term>Young people</term><term>Young women</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Ouganda</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Objectives: To derive the best possible estimates of trends in age at first sex (AFS) among successive cohorts of Ugandan men and women based on all the data available from the Demographic and Health Surveys (DHS) and cohort studies in Masaka and Rakai districts. Methods: The datasets from the DHS, Masaka cohort and Rakai cohort were analysed separately. Survival analysis methods were used to estimate median AFS for men and women born in the 1950s–1980s and to compute hazard ratios for first sex, comparing later cohorts with earlier cohorts. Results: The DHS and Masaka data showed an increase in AFS in women in the more recent birth cohorts compared with those born before 1970, but this was less apparent in the Rakai data. Successive male cohorts in Masaka appeared first to have an increased AFS which subsequently decreased, a trend that was also apparent (but not significant) in the DHS data. Younger men in Rakai had an earlier AFS than those born before 1980. Conclusions: Women in Uganda who were born after 1970 have, on average, had sex at a later age than those born earlier. For men, AFS has not changed consistently over the period in question. Differences between Masaka and Rakai may reflect socioeconomic differences. Most of the change in AFS occurred too late to have contributed to the initial decline in the incidence of HIV.</div></front></TEI><affiliations><list><country><li>Ouganda</li><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Grand Londres</li></region><settlement><li>Londres</li></settlement></list><tree><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Slaymaker, E" sort="Slaymaker, E" uniqKey="Slaymaker E" first="E" last="Slaymaker">E. Slaymaker</name></region></country><country name="Ouganda"><noRegion><name sortKey="Bwanika, J B" sort="Bwanika, J B" uniqKey="Bwanika J" first="J B" last="Bwanika">J B Bwanika</name></noRegion><name sortKey="Kasamba, I" sort="Kasamba, I" uniqKey="Kasamba I" first="I" last="Kasamba">I. Kasamba</name><name sortKey="Lutalo, T" sort="Lutalo, T" uniqKey="Lutalo T" first="T" last="Lutalo">T. Lutalo</name><name sortKey="Maher, D" sort="Maher, D" uniqKey="Maher D" first="D" last="Maher">D. Maher</name><name sortKey="Todd, J" sort="Todd, J" uniqKey="Todd J" first="J" last="Todd">J. Todd</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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