| Value |
Category |
| 0 |
No |
| 1 |
Vaccination date on card |
| 2 |
Reported by mother |
| 3 |
By mother - given before 1st birthday |
| 4 |
By mother - given after 1st birthday |
| 5 |
On card - given before 1st birthday |
| 6 |
On card - given after 1st birthday |
| 8 |
Don't know |
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.
