Value |
Category |
0 |
Never |
1 |
At least once a term |
2 |
Monthly |
3 |
Once a week |
4 |
2-3 times a week |
5 |
4 times a week |
6 |
Everyday |
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.