| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 406 |
45.9%
|
| 2 | By a phone call with a recorded voice | 374 |
42.3%
|
| 3 | Neither | 30 |
3.4%
|
| 4 | Both/Either one | 50 |
5.7%
|
| 8 | Don't know | 21 |
2.4%
|
| 9 | Refused | 3 |
0.3%
|
| Sysmiss | 116 |