| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 78 |
7.4%
|
| 2 | 15-30 minutes | 412 |
39.1%
|
| 3 | 31-60 minutes | 365 |
34.6%
|
| 4 | More than one hour | 190 |
18%
|
| 5 | Refused | 0 |
0%
|
| 6 | Refused | 4 |
0.4%
|
| 7 | Data not entered | 5 |
0.5%
|
| Sysmiss | 15 |