Demographic and Health Surveys Methodology - Measure DHS

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KNOWLEDGE OF STD SYMPTOMSStatistics: Percentage of Women with Knowledge of Symptoms Associated with SexuallyTransmitted Diseases (STDs)DefinitionA. Coverage: All women.B. Numerators:1. Number of women who do not know about infections that can be transmitted through sexualcontact.2. Number of women who know no symptoms, one symptom, and two or more STDs symptomsfor men.3. Number of women who know no symptoms, one symptom, and two or more STDs symptomsfor women.C. Denominator: All women in the sample.CalculationTo determine the number of symptoms, it is necessary to add up all responses with code 1 in thecorresponding (man/woman) multiple-response variable.Handling of Missing ValuesWomen with missing values on knowledge of STDs will be classified as missing in both the man andwoman knowledge of STDs. Women with missing values in the specific STDs symptoms for men orwomen are considered as if they have not mentioned any symptoms.Notes and ConsiderationsThere may be some country-specific symptoms listed as STDs symptoms when, in fact, they are not.They should not be included when determining the number of symptoms. For example, the other responseis not included because there is no way to know what was included in that category.Guide to DHS Statistics 151 Updated September 2006
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, and 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, and during that episode they used condoms.3. Number of women who had sexual intercourse in the last 12 months, and 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, and during that episodethey used condoms.Once the numerators and denominators are properly established, the proportion is reduced to the divisionof the numerators by the corresponding denominators and multiplying them by 100.Handling of Missing ValuesWomen with missing values on time since last sexual intercourse are excluded from both numerators anddenominators. Women with missing values in variables related to relationship to sexual partner areconsidered as having sex with other partners than husbands or cohabiting partners. Women with missingvalues in use of condoms are considered as not having used the condom for that sexual episode.Notes and ConsiderationsThe DHS 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 and 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 and usedcondoms during that episode, but that sexual episode was not the last one the respondent had with a noncohabitingpartner.Guide to DHS Statistics 152 Updated September 2006
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Guide to DHS statisticsDemographic
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GUIDE TO DHS STATISTICSShea Oscar R
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Preferred Method of Contraception f
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ForewordDHS surveys collect a wealt
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MODEL QUESTIONNAIRESThe basic appro
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The Guidelines for the Main Survey
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The figure on the previous page ill
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Before using an exported DHS data f
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In this list “xx” represent dig
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At data entry time, contrary to the
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CalculationInitial sample weights a
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DHS uses century month codes extens
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AgeTotal ChildrenTotal ChildrenSmoo
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All Women Ever-Married Women All Wo
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it is not possible to merge the hou
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ename = (HVIDX$01, HV101$01, HV102$
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III. Guide to Individual Statistics
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Births in the month of interview ar
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Statistics: Total Fertility RateDef
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Statistics: Crude Birth RateDefinit
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CHILDREN EVER BORN AND LIVINGStatis
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BIRTH INTERVALSStatistics: Percent
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AGE AT FIRST BIRTHStatistics: Perce
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TEENAGE PREGNANCY AND MOTHERHOODSta
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4. Traditional methods: The number
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CURRENT USE OF CONTRACEPTIVE METHOD
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Changes over TimeThe list of specif
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Median: Women with a missing value
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KNOWLEDGE OF THE FERTILE PERIODStat
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Statistics: Median Age at Contracep
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INFORMED CHOICEStatistics:A. Percen
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B. In the standard recode file, the
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REASONS FOR DISCONTINUING CONTRACEP
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FUTURE USE OF CONTRACEPTIONStatisti
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PREFERRED METHOD OF CONTRACEPTION F
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CONTACT OF NONUSERS WITH FAMILY PLA
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ATTITUDES TOWARD FAMILY PLANNINGSta
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NUMBER OF CO-WIVESStatistics: Perce
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MEDIAN AGE AT FIRST MARRIAGEDefinit
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Statistics: Median Age at First Sex
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B. Denominator: Number of all birth
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Notes and ConsiderationsAssumptions
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FERTILITY PREFERENCESNEED FOR FAMIL
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ii. Say they do not know whether th
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NEED FOR FAMILY PLANNING—NOT CURR
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5. Unmet need for spacing.a) Includ
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AssumptionsWomen who are not curren
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1. Higher age group: A woman’s ag
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INFANT AND CHILD MORTALITYEARLY CHI
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Statistics: Neonatal Mortality Rate
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MORTALITY RATE CALCULATIONNeonatal
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Statistics: Perinatal Mortality Rat
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HIGH-RISK FERTILITY BEHAVIOR RISK R
Page 107 and 108: MATERNAL AND CHILD HEALTHANTENATAL
Page 109 and 110: Handling of Missing Values“Don’
Page 111 and 112: ANTENATAL CAREPrenatal tetanus toxo
Page 113 and 114: DELIVERY CAREStatistics: Percent Di
Page 115 and 116: POSTNATAL CAREStatistics: Percent D
Page 117 and 118: Calculation5. All vaccinations—ch
Page 119 and 120: CHILD MORBIDITY PREVALENCE AND TREA
Page 125 and 126: CHILDHOOD MORBIDITY PREVENTION: DIA
Page 127 and 128: WOMEN’S USE OF SMOKING TOBACCOSta
Page 129 and 130: Handling of Missing ValuesExcluded
Page 131 and 132: Decisions on AlternativesAn alterna
Page 133 and 134: Respondents with missing reports fo
Page 135 and 136: C. Denominators:Calculation1. Numbe
Page 137 and 138: C. Denominators:Calculation1. Numbe
Page 139 and 140: B. Numerators:1. Number of days bre
Page 141 and 142: MICRONUTRIENT INTAKE AMONG CHILDREN
Page 143 and 144: MICRONUTRIENT INTAKE AMONG WOMENSta
Page 145 and 146: CHILDREN’S AND WOMEN’S NUTRITIO
Page 147 and 148: CHILDREN’S AND WOMEN’S NUTRITIO
Page 149 and 150: ReferencesCenters for Disease Contr
Page 151 and 152: CalculationA. The assignment of ant
Page 153 and 154: ReferencesNational Center for Healt
Page 155 and 156: Changes Over TimeIn phases of the D
Page 157: HIV/AIDS/STDSHIV/AIDS PREVENTION KN
Page 161 and 162: . Denominator (exposure): [Example
Page 163 and 164: ADULT MORTALITY (DIRECT METHOD)Stat
Page 165 and 166: ADULT MORTALITY (INDIRECT METHOD)St
Page 167: Another important issue is location
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Demographic and Health Surveys Methodology - Measure DHS

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