SidaSubSaharaV1, Pmc, Corpus, bibRecord, 001932

Population Size, HIV, and Behavior Among MSM in Luanda, Angola: Challenges and Findings in the First Ever HIV and Syphilis Biological and Behavioral Survey

Identifieur interne : 001932 ( Pmc/Corpus ); précédent : 001931; suivant : 001933

Population Size, HIV, and Behavior Among MSM in Luanda, Angola: Challenges and Findings in the First Ever HIV and Syphilis Biological and Behavioral Survey

Auteurs : Carl Kendall ; Ligia Regina Franco Sansigolo Kerr ; Rosa Maria Salani Mota ; Socorro Cavalcante ; Raimunda Hermelinda Maia Macena ; Sanny Chen ; Nicholas Gaffga ; Edgar Monterosso ; Fransisco I. Bastos ; Dulcelina Serrano

Source :

Journal of acquired immune deficiency syndromes (1999) [ 1525-4135 ] ; 2014.

RBID : PMC:4733005

Abstract

Objectives

To conduct the first population size estimation and biological and behavioral surveillance survey among men who have sex with men (MSM) in Angola.

Design

Population size estimation with multiplier method and a cross-sectional study using respondent-driven sampling.

Setting

Luanda Province, Angola. Study was conducted in a large hospital.

Participants

Seven hundred ninety-two self-identified MSM accepted a unique object for population size estimation. Three hundred fifty-one MSM were recruited with respondent-driven sampling for biological and behavioral surveillance survey.

Methods

Interviews and testing for HIV and syphilis were conducted on-site. Analysis used Respondent-Driven Sampling Analysis Tool and STATA 11.0. Univariate, bivariate, and multivariate analyses examined factors associated with HIV and unprotected sex. Six imputation strategies were used for missing data for those refusing to test for HIV.

Main Outcome

A population size of 6236 MSM was estimated. Twenty-seven of 351 individuals were tested positive. Adjusted HIV prevalence was 3.7% (8.7% crude). With imputation, HIV seroprevalence was estimated between 3.8% [95% confidence interval (CI): 1.6 to 6.5] and 10.5% (95% CI: 5.6 to 15.3). Being older than 25 (odds ratio = 10.8, 95% CI: 3.5 to 32.8) and having suffered episodes of homophobia (odds ratio = 12.7, 95% CI: 3.2 to 49.6) significantly increased the chance of HIV seropositivity.

Conclusions

Risk behaviors are widely reported, but HIV seroprevalence is lower than expected. The difference between crude and adjusted values was mostly due to treatment of missing values in Respondent-Driven Sampling Analysis Tool. Solutions are proposed in this article. Although concerns were raised about feasibility and adverse outcomes for MSM, the study was successfully and rapidly completed with no adverse effects.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4733005

DOI: 10.1097/QAI.0000000000000213
PubMed: 25014130
PubMed Central: 4733005

Links to Exploration step

PMC:4733005

Le document en format XML

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<author><name sortKey="Kendall, Carl" sort="Kendall, Carl" uniqKey="Kendall C" first="Carl" last="Kendall">Carl Kendall</name>
<affiliation><nlm:aff id="A1">Department of Global Community Health and Behavioral Sciences, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Kerr, Ligia Regina Franco Sansigolo" sort="Kerr, Ligia Regina Franco Sansigolo" uniqKey="Kerr L" first="Ligia Regina Franco Sansigolo" last="Kerr">Ligia Regina Franco Sansigolo Kerr</name>
<affiliation><nlm:aff id="A2">Department of Community Health, Federal University of Ceará, Fortaleza, Brazil</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Mota, Rosa Maria Salani" sort="Mota, Rosa Maria Salani" uniqKey="Mota R" first="Rosa Maria Salani" last="Mota">Rosa Maria Salani Mota</name>
<affiliation><nlm:aff id="A2">Department of Community Health, Federal University of Ceará, Fortaleza, Brazil</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Cavalcante, Socorro" sort="Cavalcante, Socorro" uniqKey="Cavalcante S" first="Socorro" last="Cavalcante">Socorro Cavalcante</name>
<affiliation><nlm:aff id="A3">Department of Epidemiological Surveillance, Ministry of Health, Fortaleza, Fortaleza, Brazil</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Macena, Raimunda Hermelinda Maia" sort="Macena, Raimunda Hermelinda Maia" uniqKey="Macena R" first="Raimunda Hermelinda Maia" last="Macena">Raimunda Hermelinda Maia Macena</name>
<affiliation><nlm:aff id="A2">Department of Community Health, Federal University of Ceará, Fortaleza, Brazil</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Chen, Sanny" sort="Chen, Sanny" uniqKey="Chen S" first="Sanny" last="Chen">Sanny Chen</name>
<affiliation><nlm:aff id="A4">Centers for Disease Control and Prevention, Atlanta, Georgia, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Gaffga, Nicholas" sort="Gaffga, Nicholas" uniqKey="Gaffga N" first="Nicholas" last="Gaffga">Nicholas Gaffga</name>
<affiliation><nlm:aff id="A4">Centers for Disease Control and Prevention, Atlanta, Georgia, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Monterosso, Edgar" sort="Monterosso, Edgar" uniqKey="Monterosso E" first="Edgar" last="Monterosso">Edgar Monterosso</name>
<affiliation><nlm:aff id="A4">Centers for Disease Control and Prevention, Atlanta, Georgia, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Bastos, Fransisco I" sort="Bastos, Fransisco I" uniqKey="Bastos F" first="Fransisco I." last="Bastos">Fransisco I. Bastos</name>
<affiliation><nlm:aff id="A5">Oswaldo Cruz Foundation, Rio de Janeiro, Brazil</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Serrano, Dulcelina" sort="Serrano, Dulcelina" uniqKey="Serrano D" first="Dulcelina" last="Serrano">Dulcelina Serrano</name>
<affiliation><nlm:aff id="A6">Director, National Institute of the Fight against AIDS, Luanda, Angola</nlm:aff>
</affiliation>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Population Size, HIV, and Behavior Among MSM in Luanda, Angola: Challenges and Findings in the First Ever HIV and Syphilis Biological and Behavioral Survey</title>
<author><name sortKey="Kendall, Carl" sort="Kendall, Carl" uniqKey="Kendall C" first="Carl" last="Kendall">Carl Kendall</name>
<affiliation><nlm:aff id="A1">Department of Global Community Health and Behavioral Sciences, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Kerr, Ligia Regina Franco Sansigolo" sort="Kerr, Ligia Regina Franco Sansigolo" uniqKey="Kerr L" first="Ligia Regina Franco Sansigolo" last="Kerr">Ligia Regina Franco Sansigolo Kerr</name>
<affiliation><nlm:aff id="A2">Department of Community Health, Federal University of Ceará, Fortaleza, Brazil</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Mota, Rosa Maria Salani" sort="Mota, Rosa Maria Salani" uniqKey="Mota R" first="Rosa Maria Salani" last="Mota">Rosa Maria Salani Mota</name>
<affiliation><nlm:aff id="A2">Department of Community Health, Federal University of Ceará, Fortaleza, Brazil</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Cavalcante, Socorro" sort="Cavalcante, Socorro" uniqKey="Cavalcante S" first="Socorro" last="Cavalcante">Socorro Cavalcante</name>
<affiliation><nlm:aff id="A3">Department of Epidemiological Surveillance, Ministry of Health, Fortaleza, Fortaleza, Brazil</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Macena, Raimunda Hermelinda Maia" sort="Macena, Raimunda Hermelinda Maia" uniqKey="Macena R" first="Raimunda Hermelinda Maia" last="Macena">Raimunda Hermelinda Maia Macena</name>
<affiliation><nlm:aff id="A2">Department of Community Health, Federal University of Ceará, Fortaleza, Brazil</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Chen, Sanny" sort="Chen, Sanny" uniqKey="Chen S" first="Sanny" last="Chen">Sanny Chen</name>
<affiliation><nlm:aff id="A4">Centers for Disease Control and Prevention, Atlanta, Georgia, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Gaffga, Nicholas" sort="Gaffga, Nicholas" uniqKey="Gaffga N" first="Nicholas" last="Gaffga">Nicholas Gaffga</name>
<affiliation><nlm:aff id="A4">Centers for Disease Control and Prevention, Atlanta, Georgia, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Monterosso, Edgar" sort="Monterosso, Edgar" uniqKey="Monterosso E" first="Edgar" last="Monterosso">Edgar Monterosso</name>
<affiliation><nlm:aff id="A4">Centers for Disease Control and Prevention, Atlanta, Georgia, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Bastos, Fransisco I" sort="Bastos, Fransisco I" uniqKey="Bastos F" first="Fransisco I." last="Bastos">Fransisco I. Bastos</name>
<affiliation><nlm:aff id="A5">Oswaldo Cruz Foundation, Rio de Janeiro, Brazil</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Serrano, Dulcelina" sort="Serrano, Dulcelina" uniqKey="Serrano D" first="Dulcelina" last="Serrano">Dulcelina Serrano</name>
<affiliation><nlm:aff id="A6">Director, National Institute of the Fight against AIDS, Luanda, Angola</nlm:aff>
</affiliation>
</author>
</analytic>
<series><title level="j">Journal of acquired immune deficiency syndromes (1999)</title>
<idno type="ISSN">1525-4135</idno>
<idno type="eISSN">1944-7884</idno>
<imprint><date when="2014">2014</date>
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<front><div type="abstract" xml:lang="en"><sec id="S1"><title>Objectives</title>
<p id="P1">To conduct the first population size estimation and biological and behavioral surveillance survey among men who have sex with men (MSM) in Angola.</p>
</sec>
<sec id="S2"><title>Design</title>
<p id="P2">Population size estimation with multiplier method and a cross-sectional study using respondent-driven sampling.</p>
</sec>
<sec id="S3"><title>Setting</title>
<p id="P3">Luanda Province, Angola. Study was conducted in a large hospital.</p>
</sec>
<sec id="S4"><title>Participants</title>
<p id="P4">Seven hundred ninety-two self-identified MSM accepted a unique object for population size estimation. Three hundred fifty-one MSM were recruited with respondent-driven sampling for biological and behavioral surveillance survey.</p>
</sec>
<sec id="S5"><title>Methods</title>
<p id="P5">Interviews and testing for HIV and syphilis were conducted on-site. Analysis used Respondent-Driven Sampling Analysis Tool and STATA 11.0. Univariate, bivariate, and multivariate analyses examined factors associated with HIV and unprotected sex. Six imputation strategies were used for missing data for those refusing to test for HIV.</p>
</sec>
<sec id="S6"><title>Main Outcome</title>
<p id="P6">A population size of 6236 MSM was estimated. Twenty-seven of 351 individuals were tested positive. Adjusted HIV prevalence was 3.7% (8.7% crude). With imputation, HIV seroprevalence was estimated between 3.8% [95% confidence interval (CI): 1.6 to 6.5] and 10.5% (95% CI: 5.6 to 15.3). Being older than 25 (odds ratio = 10.8, 95% CI: 3.5 to 32.8) and having suffered episodes of homophobia (odds ratio = 12.7, 95% CI: 3.2 to 49.6) significantly increased the chance of HIV seropositivity.</p>
</sec>
<sec id="S7"><title>Conclusions</title>
<p id="P7">Risk behaviors are widely reported, but HIV seroprevalence is lower than expected. The difference between crude and adjusted values was mostly due to treatment of missing values in Respondent-Driven Sampling Analysis Tool. Solutions are proposed in this article. Although concerns were raised about feasibility and adverse outcomes for MSM, the study was successfully and rapidly completed with no adverse effects.</p>
</sec>
</div>
</front>
</TEI>
<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
  <pmc-dir>properties manuscript</pmc-dir>
  <front><journal-meta><journal-id journal-id-type="nlm-journal-id">100892005</journal-id>
<journal-id journal-id-type="pubmed-jr-id">21821</journal-id>
<journal-id journal-id-type="nlm-ta">J Acquir Immune Defic Syndr</journal-id>
<journal-id journal-id-type="iso-abbrev">J. Acquir. Immune Defic. Syndr.</journal-id>
<journal-title-group><journal-title>Journal of acquired immune deficiency syndromes (1999)</journal-title>
</journal-title-group>
<issn pub-type="ppub">1525-4135</issn>
<issn pub-type="epub">1944-7884</issn>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">25014130</article-id>
<article-id pub-id-type="pmc">4733005</article-id>
<article-id pub-id-type="doi">10.1097/QAI.0000000000000213</article-id>
<article-id pub-id-type="manuscript">HHSPA753095</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>Population Size, HIV, and Behavior Among MSM in Luanda, Angola: Challenges and Findings in the First Ever HIV and Syphilis Biological and Behavioral Survey</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Kendall</surname>
<given-names>Carl</given-names>
</name>
<degrees>PhD</degrees>
<xref ref-type="aff" rid="A1">*</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Kerr</surname>
<given-names>Ligia Regina Franco Sansigolo</given-names>
</name>
<degrees>MD, MPH, PhD</degrees>
<xref ref-type="aff" rid="A2">†</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Mota</surname>
<given-names>Rosa Maria Salani</given-names>
</name>
<degrees>MS, PhD</degrees>
<xref ref-type="aff" rid="A2">†</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Cavalcante</surname>
<given-names>Socorro</given-names>
</name>
<degrees>MPH, PhD</degrees>
<xref ref-type="aff" rid="A3">‡</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Macena</surname>
<given-names>Raimunda Hermelinda Maia</given-names>
</name>
<degrees>MPH, PhD</degrees>
<xref ref-type="aff" rid="A2">†</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Chen</surname>
<given-names>Sanny</given-names>
</name>
<degrees>MPH, PhD</degrees>
<xref ref-type="aff" rid="A4">§</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Gaffga</surname>
<given-names>Nicholas</given-names>
</name>
<degrees>MD</degrees>
<xref ref-type="aff" rid="A4">§</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Monterosso</surname>
<given-names>Edgar</given-names>
</name>
<degrees>MPH, MD</degrees>
<xref ref-type="aff" rid="A4">§</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Bastos</surname>
<given-names>Fransisco I.</given-names>
</name>
<degrees>MD, PhD</degrees>
<xref ref-type="aff" rid="A5">||</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Serrano</surname>
<given-names>Dulcelina</given-names>
</name>
<degrees>MD</degrees>
<xref ref-type="aff" rid="A6">¶</xref>
</contrib>
</contrib-group>
<aff id="A1"><label>*</label>
Department of Global Community Health and Behavioral Sciences, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA</aff>
<aff id="A2"><label>†</label>
Department of Community Health, Federal University of Ceará, Fortaleza, Brazil</aff>
<aff id="A3"><label>‡</label>
Department of Epidemiological Surveillance, Ministry of Health, Fortaleza, Fortaleza, Brazil</aff>
<aff id="A4"><label>§</label>
Centers for Disease Control and Prevention, Atlanta, Georgia, USA</aff>
<aff id="A5"><label>||</label>
Oswaldo Cruz Foundation, Rio de Janeiro, Brazil</aff>
<aff id="A6"><label>¶</label>
Director, National Institute of the Fight against AIDS, Luanda, Angola</aff>
<author-notes><corresp id="FN1">Correspondence to: Carl Kendall, PhD, Department of Global Community Health and Behavioral Sciences, School of Public Health and Tropical Medicine, Tulane University, 1440 Canal Street, New Orleans, LA 70112 (<email>carl.kendall@gmail.com</email>
)</corresp>
</author-notes>
<pub-date pub-type="nihms-submitted"><day>27</day>
<month>1</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="ppub"><day>15</day>
<month>8</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="pmc-release"><day>29</day>
<month>1</month>
<year>2016</year>
</pub-date>
<volume>66</volume>
<issue>5</issue>
<fpage>544</fpage>
<lpage>551</lpage>
<pmc-comment>elocation-id from pubmed: 10.1097/QAI.0000000000000213</pmc-comment>
      <abstract><sec id="S1"><title>Objectives</title>
<p id="P1">To conduct the first population size estimation and biological and behavioral surveillance survey among men who have sex with men (MSM) in Angola.</p>
</sec>
<sec id="S2"><title>Design</title>
<p id="P2">Population size estimation with multiplier method and a cross-sectional study using respondent-driven sampling.</p>
</sec>
<sec id="S3"><title>Setting</title>
<p id="P3">Luanda Province, Angola. Study was conducted in a large hospital.</p>
</sec>
<sec id="S4"><title>Participants</title>
<p id="P4">Seven hundred ninety-two self-identified MSM accepted a unique object for population size estimation. Three hundred fifty-one MSM were recruited with respondent-driven sampling for biological and behavioral surveillance survey.</p>
</sec>
<sec id="S5"><title>Methods</title>
<p id="P5">Interviews and testing for HIV and syphilis were conducted on-site. Analysis used Respondent-Driven Sampling Analysis Tool and STATA 11.0. Univariate, bivariate, and multivariate analyses examined factors associated with HIV and unprotected sex. Six imputation strategies were used for missing data for those refusing to test for HIV.</p>
</sec>
<sec id="S6"><title>Main Outcome</title>
<p id="P6">A population size of 6236 MSM was estimated. Twenty-seven of 351 individuals were tested positive. Adjusted HIV prevalence was 3.7% (8.7% crude). With imputation, HIV seroprevalence was estimated between 3.8% [95% confidence interval (CI): 1.6 to 6.5] and 10.5% (95% CI: 5.6 to 15.3). Being older than 25 (odds ratio = 10.8, 95% CI: 3.5 to 32.8) and having suffered episodes of homophobia (odds ratio = 12.7, 95% CI: 3.2 to 49.6) significantly increased the chance of HIV seropositivity.</p>
</sec>
<sec id="S7"><title>Conclusions</title>
<p id="P7">Risk behaviors are widely reported, but HIV seroprevalence is lower than expected. The difference between crude and adjusted values was mostly due to treatment of missing values in Respondent-Driven Sampling Analysis Tool. Solutions are proposed in this article. Although concerns were raised about feasibility and adverse outcomes for MSM, the study was successfully and rapidly completed with no adverse effects.</p>
</sec>
</abstract>
<kwd-group><kwd>HIV</kwd>
<kwd>syphilis</kwd>
<kwd>sexual behavior</kwd>
<kwd>homosexuality</kwd>
<kwd>male</kwd>
<kwd>sampling studies</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
</record>

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Le SIDA en Afrique subsaharienne (serveur d'exploration)

Population Size, HIV, and Behavior Among MSM in Luanda, Angola: Challenges and Findings in the First Ever HIV and Syphilis Biological and Behavioral Survey

Population Size, HIV, and Behavior Among MSM in Luanda, Angola: Challenges and Findings in the First Ever HIV and Syphilis Biological and Behavioral Survey

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Abstract

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