Demographic and Health Surveys Methodology - Measure DHS

MICRONUTRIENTSIODIZATION OF HOUSEHOLD SALTStatisticsA. Percent distribution of households, by iodine content of salt.B. Percentage of households tested for iodized salt.C. Percentage of households with no salt.DefinitionA. Coverage:1. Population base: Interviewed households.2. Time period: Time of interview.B. Numerators:1. Number of tested households distributed according to iodine content of household salt.2. Number of households where salt was tested.3. Number of households with no salt.C. Denominators:Calculation1. Number of households where salt was tested for iodine content.2. Number of households interviewed.3. Number of households interviewed.Numerators divided by denominator and quotient multiplied by 100 to get percent distribution andpercentages.Handling of Missing ValuesMissing values and “don’t know” on iodine content or whether salt tested excluded from both numeratorsand denominators.Missing values and “don’t know” excluded from numerator (assumes not tested) but included indenominator.Missing values and “don’t know” excluded from numerator (assumes has salt) but included indenominator.Guide to DHS Statistics 133 Updated September 2006