| Value |
Category |
| 1 |
01. Never |
| 2 |
02. 1/day |
| 3 |
03. 2-3/wk |
| 4 |
04. 1/week |
| 5 |
05. 2-3/mth |
| 6 |
06. 1/mth |
| 7 |
07. Other |
| 99 |
99. Miss |
| 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.