| Value |
Category |
| 1 |
Never |
| 2 |
Few hours or less |
| 3 |
Few hours to 1 day |
| 4 |
1 day to 2 days |
| 5 |
3 to 6 days |
| 6 |
1 week (7 days) |
| 7 |
More than one week |
| 8 |
Cannot remember |
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.