| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 539 |
58.7%
|
| 2 | By a phone call with a recorded voice | 290 |
31.6%
|
| 3 | Neither | 42 |
4.6%
|
| 4 | Both/Either one | 23 |
2.5%
|
| 8 | Don't know | 21 |
2.3%
|
| 9 | Refused | 3 |
0.3%
|
| Sysmiss | 82 |