00bq3a: day of second visit (day2)
File: Y00B-survey results
Overview
Type: Continuous
Format: numeric
Width: 8
Decimals: 0
Range: 0-31
Valid cases: 1203 (1231.4)
Invalid: 46636 (47745.2)
Minimum: 0
Maximum: 31
Questions and instructions
Literal question
Interviewer: day of check-up visit.