| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 538 |
62.1%
|
| 2 | By a phone call with a recorded voice | 273 |
31.5%
|
| 3 | Neither | 7 |
0.8%
|
| 4 | Both/Either one | 39 |
4.5%
|
| 8 | Don't know | 8 |
0.9%
|
| 9 | Refused | 2 |
0.2%
|
| Sysmiss | 153 |