| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Not at all attentive | 22 |
1.1%
|
| 2 | Somewhat attentive | 164 |
8.5%
|
| 3 | Very attentive | 1735 |
90.3%
|
| Sysmiss | 31 |