| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-7 hours /day | 51 |
5.7%
|
| 2 | 8-14 hours /day | 130 |
14.6%
|
| 3 | 15-21 hours /day | 385 |
43.3%
|
| 4 | 21+ hours /day | 323 |
36.3%
|
| Sysmiss | 164 |