| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| 0 | Never | Never | ||
| 1 | Less than one day a month | Less than one day a month | ||
| 2 | One day a month | One day a month | ||
| 3 | Two or three days a month | Two or three days a month | ||
| 4 | One day a week | One day a week | ||
| 5 | More than one day a week | More than one day a week | ||
| 6 | Every day | Every day |