Variable's CODE LIST: PB270 (157,0) Anno: 2024
| Code | Description | Upper Code | Notes |
| 1 | Paper assisted personal interview (PAPI) | ||
| 2 | Computer assisted personal interview (CAPI) | ||
| 3 | Computer assisted telephone interview (CATI) | ||
| 4 | Computer assisted web-interview (CAWI) | ||
| 5 | Other |