420. During this pregnancy, did you suffer from night blindness [USE LOCAL TERM]?
YES 1
NO 2
DON'T KNOW 8
Categories
Value
Category
0
No
1
Yes
2
Already blind
7
Don't know
8
Missing
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.
Description
Definition
ANNITE (M48) indicates whether the child's mother had difficulty with night blindness while the child was in utero.