| Value | Category |
|---|---|
| 1 | 1. every few days |
| 2 | 2. weekly |
| 3 | 3. 2-3 times per month |
| 4 | 4. monthly |
| 5 | 5. every few months |
| 6 | 6. yearly |
| 7 | 7. every few years or less |
| 8 | 8. never |
| 9 | 9. don't know |
| 2147483622 | .a. Don't know |
| 2147483623 | .b. Refused |
| 2147483624 | .c. Invalid skip |
| 2147483625 | .d. Multimention |
| 2147483626 | .e. Invalid code |