| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -88 | Refused | 1 |
0.1%
|
| -77 | NA | 7 |
0.9%
|
| 0 | Has not left home | 5 |
0.7%
|
| 1 | Never | 1 |
0.1%
|
| 2 | Sometimes | 2 |
0.3%
|
| 3 | Usually | 7 |
0.9%
|
| 4 | Always | 738 |
97%
|