| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 2 |
0%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 231 |
2.5%
|
| 1 | Not at all attentive | 266 |
2.8%
|
| 2 | Somewhat attentive | 1236 |
13.2%
|
| 3 | Very attentive | 7660 |
81.5%
|
| Sysmiss | 209 |