Value |
Category |
0 |
single birth |
1 |
1st of multiple |
2 |
2nd of multiple |
3 |
3rd of multiple |
4 |
4th of multiple |
5 |
5th of multiple |
Sysmiss |
|
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.