Value |
Category |
0 |
Never |
1 |
1-3 times per term |
2 |
1-3 times per month |
3 |
Once per week |
4 |
2-3 times per week |
5 |
Daily |
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.