| Value | Category | Cases | |
|---|---|---|---|
| -8 | Refusal (spontaneous) | 8 | 
                                    
                                    2%
                                 | 
| 1 | Face-to-face interview, immediately after the main survey (spontaneous) | 398 | 
                                    
                                    97.8%
                                 | 
| 2 | Continue by phone at a later date (spontaneous) | 1 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 548 |