| Value |
Category |
| 1 |
Just After Birth |
| 2 |
One month after birth |
| 3 |
Three months after birth |
| 4 |
Six months after birth |
| 5 |
One year after birth |
| 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.