| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never indoors | 14 |
31.8%
|
| 1 | Sometimes indoors | 29 |
65.9%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 1 |
2.3%
|
| Sysmiss | 12867 |