| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 2 |
0.2%
|
| 1 | Not at all attentive | 15 |
1.9%
|
| 2 | Somewhat attentive | 53 |
6.6%
|
| 3 | Very attentive | 733 |
91.3%
|
| Sysmiss | 196 |