| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do this activity using a computer | 685 |
7.3%
|
| 2 | I do this activity using a cellphone | 2674 |
28.3%
|
| 3 | I don’t do this activity at all | 5264 |
55.7%
|
| 4 | I do this activity using both computer and cellphone | 825 |
8.7%
|
| Sysmiss | 15660 |