| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 454 |
53.4%
|
| 2 | By a phone call with a recorded voice | 295 |
34.7%
|
| 3 | Neither | 13 |
1.5%
|
| 4 | Both/Either one | 85 |
10%
|
| 8 | Don't know | 3 |
0.4%
|
| 9 | Refused | 0 |
0%
|
| Sysmiss | 150 |