| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 hour per day | 392 |
13.9%
|
| 2 | 1 to 2 hours per day | 493 |
17.5%
|
| 3 | 3 to 4 hours per day | 623 |
22.1%
|
| 4 | 5 to 6 hours per day | 472 |
16.8%
|
| 5 | 7 to 8 hours per day | 232 |
8.2%
|
| 6 | More than 8 hours per day | 601 |
21.4%
|
| Sysmiss | 228 |