Greater than interval between birth and date of interview
Greater than interval between birth and date of interview by only 1 month
Greater than interval between birth and age at death
During pregnancy in calendar
NIU (not in universe)
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
For children born in the three to five years preceding the survey, BRSFDFLAG (M27) is a flag variable that indicates the type of problem, if any, found in editing responses on their duration of breastfeeding. Cases without a problem are coded 0.