| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do this activity using a computer | 880 |
10.7%
|
| 2 | I do this activity using a cellphone | 512 |
6.2%
|
| 3 | I don’t do this activity at all | 6467 |
78.8%
|
| 4 | I do this activity using both computer and cellphone | 344 |
4.2%
|
| Sysmiss | 16957 |