| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 3 |
0%
|
| 1 | Not at all attentive | 131 |
1.4%
|
| 2 | Somewhat attentive | 552 |
5.7%
|
| 3 | Very attentive | 8929 |
92.9%
|
| Sysmiss | 2274 |