Variable IM18A : Heard of POLIO

Type: Continuous
Format: numeric
Width: 1
Decimal(s): 0
Range: 1-9
Invalid: 9
Valid case(s): 5741
Invalid: 564
Minimum: 1
Maximum: 8

File: ch


Value Category
1 Yes
2 No
8 DK
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
Have you ever heard of a disease called polio?
Generated: MAR-20-2008 using the IHSN Microdata Management Toolkit