| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 42 |
13.5%
|
| 1 | 1. less than half the time | 37 |
11.9%
|
| 2 | 2. half the time | 51 |
16.4%
|
| 3 | 3. more than half the time | 31 |
10%
|
| 4 | 4. always | 150 |
48.2%
|
| Sysmiss | 1252 |