| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 424 |
45.6%
|
| 2 | By a phone call with a recorded voice | 431 |
46.4%
|
| 3 | Neither | 16 |
1.7%
|
| 4 | Both/Either one | 47 |
5.1%
|
| 8 | Don't know | 9 |
1%
|
| 9 | Refused | 2 |
0.2%
|
| Sysmiss | 71 |