Demographic and Health Surveys Methodology - Measure DHS

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CalculationA. Numerators divided by denominators and quotients multiplied by 100 to get percentages.B. Handling of missing values.C. Missing values and “don’t know” excluded from numerator (assumes did not receive).D. Missing values and “don’t know” excluded from numerators (assumes did not suffer nightblindness).E. Missing values and “don’t know” excluded from numerators and denominator of distribution.F. Women living in households that were not tested or for which information is missing on saltcontent are excluded from numerator and denominator.Notes and ConsiderationsAdequately iodized salt contains 15 parts per million or more of iodine.Guide to DHS Statistics 137 Updated September 2006
CHILDREN’S AND WOMEN’S NUTRITIONAL STATUSCHILDREN’S ANEMIA STATUSStatistics: Percentages of Children between Ages 6 and 59 Months, by Anemia StatusDefinitionA. Coverage:1. Population base: Living children born 6 to 59 months before the survey.2. Time period: Current status at time of the survey.B. Numerators:1. Any anemia: Number of children whose hemoglobin count is less than 11 grams per deciliter(g/dl).2. Mild anemia: Number of children whose hemoglobin count is between 10.0 and 10.9 gramsper deciliter (g/dl).3. Moderate anemia: Number of children whose hemoglobin count is between 7.0 and 9.9 gramsper deciliter (g/dl).4. Severe anemia: Number of children whose hemoglobin count is less than 7.0 grams perdeciliter (g/dl).C. Denominator: Number of children between ages 6 and 59 months before the survey.CalculationA. At the time of creation of a recode file, an adjustment of the hemoglobin count is made foraltitude. Rather than change the cutoff points, the effective hemoglobin count is lowered asaltitude increases, since oxygen is less available. The adjustment is made with the followingformulas:adjust = – 0.032*alt + 0.022*alt 2adjHb = Hb – adjustwhere adjust is the amount of the adjustment, alt is altitude in 1,000 feet (converted from metersby dividing by 1,000 and multiplying by 3.3), adjHb is the adjusted hemoglobin level, and Hb isthe measured hemoglobin level in grams per deciliter. No adjustment is made for altitudes below1,000 meters.B. The percentage anemic, by category, is obtained by dividing the numerators by the denominatorand multiplying the quotient by 100.Guide to DHS Statistics 138 Updated October 2012
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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
Page 93 and 94: AssumptionsWomen who are not curren
Page 95 and 96: 1. Higher age group: A woman’s ag
Page 97 and 98: INFANT AND CHILD MORTALITYEARLY CHI
Page 99 and 100: Statistics: Neonatal Mortality Rate
Page 101 and 102: MORTALITY RATE CALCULATIONNeonatal
Page 103 and 104: Statistics: Perinatal Mortality Rat
Page 105 and 106: 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: MICRONUTRIENT INTAKE AMONG WOMENSta
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 and 158: HIV/AIDS/STDSHIV/AIDS PREVENTION KN
Page 159 and 160: CONDOM USE AT LAST SEXStatistics: P
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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