Variable va7aa : Does child have night blindness

Type: Continuous
Format: numeric
Width: 1
Decimal(s): 0
Range: 1-9
Valid case(s): 10
Invalid: 6631
Minimum: 1
Maximum: 2

File: ch


Value Category
1 Yes
2 No
8 Dk
9 Missing
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.

Literal question
Does your child have night blindness?
Interviewer instructions
(use local term for night blindness)
Generated: MAY-14-2008 using the IHSN Microdata Management Toolkit