| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| 0 | Never | Never | ||
| 1 | Rarely (less than once a week) | Rarely (less than once a week) | ||
| 2 | Sometimes (1-2 times per week) | Sometimes (1-2 times per week) | ||
| 3 | Frequently (3-4 times per week) | Frequently (3-4 times per week) | ||
| 4 | Always (5-7 times per week) | Always (5-7 times per week) | ||
| Unknown | Do not know | Do not know |