Demographic and Health Surveys Methodology - Measure DHS
Demographic and Health Surveys Methodology - Measure DHS
Demographic and Health Surveys Methodology - Measure DHS
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CONDOM USE AT LAST SEXStatistics: Percentage of Women Who Used Condom during the Last Sexual IntercourseDefinitionA. Coverage: Women who had sexual intercourse in the past 12 months.B. Numerators:1. Number of women who had sexual intercourse in the last 12 months with spouse orcohabiting partner, <strong>and</strong> during that episode they used condoms.2. Number of women who had sexual intercourse in the last 12 months with other partners thanspouses or cohabiting partners, <strong>and</strong> during that episode they used condoms.3. Number of women who had sexual intercourse in the last 12 months, <strong>and</strong> during that episodethey used condoms.C. Denominator:Calculation1. Number of women who had sexual intercourse in the last 12 months with spouse orcohabiting partner.2. Number of women who had sexual intercourse in the last 12 months with other partners thanspouses or cohabiting partners.3. Number of women who had sexual intercourse in the last 12 months, <strong>and</strong> during that episodethey used condoms.Once the numerators <strong>and</strong> denominators are properly established, the proportion is reduced to the divisionof the numerators by the corresponding denominators <strong>and</strong> multiplying them by 100.H<strong>and</strong>ling of Missing ValuesWomen with missing values on time since last sexual intercourse are excluded from both numerators <strong>and</strong>denominators. Women with missing values in variables related to relationship to sexual partner areconsidered as having sex with other partners than husb<strong>and</strong>s or cohabiting partners. Women with missingvalues in use of condoms are considered as not having used the condom for that sexual episode.Notes <strong>and</strong> ConsiderationsThe <strong>DHS</strong> core questionnaire collects information for the last two episodes of sexual intercourse in the last12 months. When the AIDS module is used, it collects information for the last three episodes. Special careneeds to be taken when matching the relationship with the sexual partner <strong>and</strong> the use of condoms. Thisbecomes even more critical with the AIDS module where three episodes of sexual intercourse have to beanalyzed. For example, the respondent could have had sex with a non-cohabiting partner <strong>and</strong> usedcondoms during that episode, but that sexual episode was not the last one the respondent had with a noncohabitingpartner.Guide to <strong>DHS</strong> Statistics 152 Updated September 2006