| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 401 |
45.8%
|
| 2 | By a phone call with a recorded voice | 370 |
42.2%
|
| 3 | Neither | 3 |
0.3%
|
| 4 | Both/Either one | 92 |
10.5%
|
| 8 | Don't know | 9 |
1%
|
| 9 | Refused | 1 |
0.1%
|
| Sysmiss | 124 |