| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do this activity using a computer | 485 |
5.1%
|
| 2 | I do this activity using a cellphone | 5012 |
53%
|
| 3 | I don’t do this activity at all | 2889 |
30.6%
|
| 4 | I do this activity using both computer and cellphone | 1062 |
11.2%
|
| Sysmiss | 15660 |