Variable cm2b : Years since first birth

Overview
Type: Continuous
Format: numeric
Width: 8
Decimal(s): 0
Range: 0-99
Invalid: 99
Valid case(s): 277
Invalid: 9194
Minimum: 0
Maximum: 31
Mean: 17.7
Standard deviation: 6.9

File: wm

Universe
Women aged 15-49
Source of information
The eligible woman selected for interview

Categories

Value Category
99 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
How many years ago did you have your first birth?
Interviewer instructions
Record completed years in the space provided.
Generated: APR-28-2008 using the IHSN Microdata Management Toolkit