| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never indoors | 419 |
29.3%
|
| 1 | Sometimes indoors | 901 |
63.1%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 108 |
7.6%
|
| Sysmiss | 11483 |