| Value | Category |
|---|---|
| 1 | Every day |
| 2 | Four days |
| 3 | Three days |
| 4 | Two days |
| 5 | One day |
| 6 | Never |
| 7 | Never, but attending classes every second week |
| 8 | Never, prefer to participate in remote learning |
| 9 | School closed (e.g. school holiday, or COVID-19 lockdown) |
| 88 | Not applicable |