| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| Less than 5 hours | Less than 5 hours | Less than 5 hours | ||
| 5-6 hours | 5-6 hours | 5-6 hours | ||
| 6-7 hours | 6-7 hours | 6-7 hours | ||
| 7-8 hours | 7-8 hours | 7-8 hours | ||
| More than 8 hours per week | More than 8 hours per week | More than 8 hours per week | ||
| Not applicable | Not applicable | Not applicable |