| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 434 |
53.1%
|
| 2 | By a phone call with a recorded voice | 316 |
38.6%
|
| 3 | Neither | 36 |
4.4%
|
| 4 | Both/Either one | 7 |
0.9%
|
| 8 | Don't know | 24 |
2.9%
|
| 9 | Refused | 1 |
0.1%
|
| Sysmiss | 182 |