| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always on site | 504 |
81.3%
|
| 2 | Always, either on site or on call | 62 |
10%
|
| 3 | Most of the time | 40 |
6.5%
|
| 4 | Some of the time | 14 |
2.3%
|
| 5 | Rarely | 0 |
0%
|
| 6 | On-call only | 0 |
0%
|
| 98 | Don't know | 0 |
0%
|
| 99 | Refused | 0 |
0%
|
| Sysmiss | 64 |