220. FROM YEAR OF BIRTH OF (NAME) SUBTRACT YEAR OF PREVIOUS BIRTH.
IS THE DIFFERENCE 4 OR MORE?
YES 1
NO 2 (GO TO NEXT BIRTH)
Categories
Value
Category
0
No
1
Yes
8
Don't know
9
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.
concept
Concept
var_concept.title
Vocabulary
General maternal and infant health Variables -- TOPICS