| Value |
Category |
| 1 |
Measured |
| 2 |
Not Present; School |
| 3 |
Not Present; Work |
| 4 |
Not Present; Health Visit |
| 5 |
Too Ill or Disabled |
| 6 |
Refused |
| 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.