| Value |
Category |
| 1 |
never |
| 2 |
rarely (1-3 days/month) |
| 3 |
sometimes (1-2 days/week) |
| 4 |
frequently (3-6 days/week) |
| 5 |
daily |
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.