| 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 | 16 |
1%
|
| 2 | Somewhat attentive | 79 |
4.9%
|
| 3 | Very attentive | 1501 |
94%
|
| Sysmiss | 4 |