| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 hour per day | 444 |
16.6%
|
| 2 | 1 to 2 hours per day | 604 |
22.6%
|
| 3 | 3 to 4 hours per day | 780 |
29.2%
|
| 4 | 5 to 6 hours per day | 419 |
15.7%
|
| 5 | 7 to 8 hours per day | 144 |
5.4%
|
| 6 | More than 8 hours per day | 281 |
10.5%
|
| Sysmiss | 58 |