| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do this activity using a computer | 158 |
1.7%
|
| 2 | I do this activity using a cellphone | 94 |
1%
|
| 3 | I don’t do this activity at all | 9166 |
97%
|
| 4 | I do this activity using both computer and cellphone | 30 |
0.3%
|
| Sysmiss | 15660 |