Le SIDA en Afrique subsaharienne (serveur d'exploration)

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<title xml:lang="en">Subjective expectations in the context of HIV/AIDS in Malawi</title>
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<name sortKey="Delavande, Adeline" sort="Delavande, Adeline" uniqKey="Delavande A" first="Adeline" last="Delavande">Adeline Delavande</name>
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<nlm:aff id="A1"> Associate Economist, RAND Corporation, 1776 Main Street, Santa Monica, CA 90407-2138, USA and Assistant Professor of Economics, Universidade Nova de Lisboa, Faculdade de Economia, Lisbon, Portugal</nlm:aff>
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<name sortKey="Kohler, Hans Peter" sort="Kohler, Hans Peter" uniqKey="Kohler H" first="Hans-Peter" last="Kohler">Hans-Peter Kohler</name>
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<nlm:aff id="A2"> Professor of Sociology, 3718 Locust Walk, University of Pennsylvania, Philadelphia, PA 19104-6299, USA. Homepage:
<ext-link ext-link-type="uri" xlink:href="http://www.ssc.upenn.edu/~hpkohler">http://www.ssc.upenn.edu/~hpkohler</ext-link>
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<idno type="doi">10.4054/DemRes.2009.20.31</idno>
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<title xml:lang="en" level="a" type="main">Subjective expectations in the context of HIV/AIDS in Malawi</title>
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<name sortKey="Delavande, Adeline" sort="Delavande, Adeline" uniqKey="Delavande A" first="Adeline" last="Delavande">Adeline Delavande</name>
<affiliation>
<nlm:aff id="A1"> Associate Economist, RAND Corporation, 1776 Main Street, Santa Monica, CA 90407-2138, USA and Assistant Professor of Economics, Universidade Nova de Lisboa, Faculdade de Economia, Lisbon, Portugal</nlm:aff>
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<author>
<name sortKey="Kohler, Hans Peter" sort="Kohler, Hans Peter" uniqKey="Kohler H" first="Hans-Peter" last="Kohler">Hans-Peter Kohler</name>
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<nlm:aff id="A2"> Professor of Sociology, 3718 Locust Walk, University of Pennsylvania, Philadelphia, PA 19104-6299, USA. Homepage:
<ext-link ext-link-type="uri" xlink:href="http://www.ssc.upenn.edu/~hpkohler">http://www.ssc.upenn.edu/~hpkohler</ext-link>
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<title level="j">Demographic research</title>
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<p id="P1">In this paper we present a newly developed interactive elicitation methodology for collecting probabilistic expectations in a developing country context with low levels of literacy and numeracy, and we evaluate the feasibility and success of this method for a wide range of outcomes in rural Malawi. We find that respondents’ answers about their subjective expectations take into account basic properties of probabilities, and vary meaningfully with observable characteristics and past experience. From a substantive point of view, the elicited expectations indicate that individuals are generally aware of differential risks. For example, individuals with lower incomes and less land rightly feel at greater risk of financial distress than people with higher socioeconomic status (SES), and people who are divorced or widowed rightly feel at greater risk of being infected with HIV than currently married individuals. Meanwhile many expectations—including the probability of being currently infected with HIV—are well-calibrated compared to actual probabilities, but mortality expectations are substantially overestimated compared to life table estimates. This overestimation may lead individuals to underestimate the benefits of adopting HIV risk-reduction strategies. The skewed distribution of expectations about condom use also suggests that a small group of innovators are the forerunners in the adoption of condoms within marriage for HIV prevention.</p>
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<article-title>Subjective expectations in the context of HIV/AIDS in Malawi</article-title>
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<name>
<surname>Delavande</surname>
<given-names>Adeline</given-names>
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<email>adeline@rand.org</email>
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<name>
<surname>Kohler</surname>
<given-names>Hans-Peter</given-names>
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<xref rid="A2" ref-type="aff">2</xref>
<email>hpkohler@pop.upenn.edu</email>
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Associate Economist, RAND Corporation, 1776 Main Street, Santa Monica, CA 90407-2138, USA and Assistant Professor of Economics, Universidade Nova de Lisboa, Faculdade de Economia, Lisbon, Portugal</aff>
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Professor of Sociology, 3718 Locust Walk, University of Pennsylvania, Philadelphia, PA 19104-6299, USA. Homepage:
<ext-link ext-link-type="uri" xlink:href="http://www.ssc.upenn.edu/~hpkohler">http://www.ssc.upenn.edu/~hpkohler</ext-link>
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<pub-date pub-type="nihms-submitted">
<day>10</day>
<month>11</month>
<year>2009</year>
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<pub-date pub-type="ppub">
<day>23</day>
<month>6</month>
<year>2009</year>
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<pub-date pub-type="pmc-release">
<day>27</day>
<month>11</month>
<year>2009</year>
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<volume>20</volume>
<fpage>817</fpage>
<lpage>874</lpage>
<abstract>
<p id="P1">In this paper we present a newly developed interactive elicitation methodology for collecting probabilistic expectations in a developing country context with low levels of literacy and numeracy, and we evaluate the feasibility and success of this method for a wide range of outcomes in rural Malawi. We find that respondents’ answers about their subjective expectations take into account basic properties of probabilities, and vary meaningfully with observable characteristics and past experience. From a substantive point of view, the elicited expectations indicate that individuals are generally aware of differential risks. For example, individuals with lower incomes and less land rightly feel at greater risk of financial distress than people with higher socioeconomic status (SES), and people who are divorced or widowed rightly feel at greater risk of being infected with HIV than currently married individuals. Meanwhile many expectations—including the probability of being currently infected with HIV—are well-calibrated compared to actual probabilities, but mortality expectations are substantially overestimated compared to life table estimates. This overestimation may lead individuals to underestimate the benefits of adopting HIV risk-reduction strategies. The skewed distribution of expectations about condom use also suggests that a small group of innovators are the forerunners in the adoption of condoms within marriage for HIV prevention.</p>
</abstract>
<contract-num rid="HD1">R21 HD050653-02 ||HD</contract-num>
<contract-num rid="HD1">R01 HD053781-03 ||HD</contract-num>
<contract-num rid="HD1">R01 HD044228-04 ||HD</contract-num>
<contract-sponsor id="HD1">National Institute of Child Health & Human Development : NICHD</contract-sponsor>
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