| Value |
Category |
| 1 |
Less than 15 mins |
| 2 |
15 - <30 mins |
| 3 |
30 - 59 mins |
| 4 |
1 - <2 hours |
| 5 |
2 - <3 hours |
| 6 |
3 - <4 hours |
| 7 |
Over 4 hours |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.