Demographic and Health Surveys Methodology - Measure DHS

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NUMBER OF ANTENATAL CARE VISITS AND TIMING OF FIRST VISITStatistics: Percentage of Women with a Birth in the Last Five Years, Distributed by Numberof Antenatal Care VisitsPercentage of women with a birth in the last five years, distributed by number of months pregnant at timeof first antenatal care visit.Median number of months pregnant at time of first antenatal care visit.DefinitionA. Coverage:Population base: Women who have had one or more births in the five years preceding the survey.B. Numerators1. Numbers of women who received antenatal care for their last birth, according to groupednumber of visits.2. Numbers of women who were attended for antenatal care for their last birth, according togrouped number of months they were pregnant at time of first visit.3. Numbers of women who were attended for antenatal care for their last birth according to thesingle number of months they were pregnant at time of first visitC. Denominators:Calculation1. A and B—Number of women with a birth in the last five years.2. C—Number of women with a birth in the last five years who received antenatal care for theirlast birth.A. For percentages A and B, 100 times the quotient of the numerators divided by the samedenominator.B. For the median C, first calculate percentages of single months pregnant at first visit by1. Dividing the numerators B by the denominator C.2. Cumulate the percentages by single months starting with the lowest value.3. Linearly interpolate between the number of months immediately before and after where thecumulated distribution exceeds 50 percent to determine the median.Guide to DHS Statistics 101 Updated September 2006
Handling of Missing Values“Don’t know” and missing values included in percent distributions A and B. “Don’t know” and missingvalues excluded from numerators and denominator of percentages for median calculation.Notes and ConsiderationsPercent distributions add up to 100 percent.Guide to DHS Statistics 102 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
Page 57 and 58: KNOWLEDGE OF THE FERTILE PERIODStat
Page 59 and 60: Statistics: Median Age at Contracep
Page 61 and 62: INFORMED CHOICEStatistics:A. Percen
Page 63 and 64: B. In the standard recode file, the
Page 65 and 66: REASONS FOR DISCONTINUING CONTRACEP
Page 67 and 68: FUTURE USE OF CONTRACEPTIONStatisti
Page 69 and 70: PREFERRED METHOD OF CONTRACEPTION F
Page 71 and 72: CONTACT OF NONUSERS WITH FAMILY PLA
Page 73 and 74: ATTITUDES TOWARD FAMILY PLANNINGSta
Page 75 and 76: NUMBER OF CO-WIVESStatistics: Perce
Page 77 and 78: MEDIAN AGE AT FIRST MARRIAGEDefinit
Page 79 and 80: Statistics: Median Age at First Sex
Page 81 and 82: B. Denominator: Number of all birth
Page 83 and 84: Notes and ConsiderationsAssumptions
Page 85 and 86: FERTILITY PREFERENCESNEED FOR FAMIL
Page 87 and 88: ii. Say they do not know whether th
Page 89 and 90: NEED FOR FAMILY PLANNING—NOT CURR
Page 91 and 92: 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: MATERNAL AND CHILD HEALTHANTENATAL
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 and 158: HIV/AIDS/STDSHIV/AIDS PREVENTION KN
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CONDOM USE AT LAST SEXStatistics: P
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. Denominator (exposure): [Example
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ADULT MORTALITY (DIRECT METHOD)Stat
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ADULT MORTALITY (INDIRECT METHOD)St
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Another important issue is location
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Demographic and Health Surveys Methodology - Measure DHS

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