| Value |
Category |
| 0 |
Never |
| 1 |
Sometimes/occasionally/only once |
| 2 |
Often/frequently |
| 9 |
Don't know |
| 98 |
Refused |
| 99 |
Missing data |
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.