| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do this activity using a computer | 1149 |
12.2%
|
| 2 | I do this activity using a cellphone | 571 |
6%
|
| 3 | I don’t do this activity at all | 7382 |
78.1%
|
| 4 | I do this activity using both computer and cellphone | 346 |
3.7%
|
| Sysmiss | 15660 |