| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 471 |
54.5%
|
| 2 | By a phone call with a recorded voice | 327 |
37.8%
|
| 3 | Neither | 17 |
2%
|
| 4 | Both/Either one | 17 |
2%
|
| 8 | Don't know | 14 |
1.6%
|
| 9 | Refused | 18 |
2.1%
|
| Sysmiss | 136 |