| 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 | 410 |
3.7%
|
| 2 | Somewhat attentive | 612 |
5.5%
|
| 3 | Very attentive | 10167 |
90.9%
|
| Sysmiss | 1027 |