| Value | Category | Cases | |
|---|---|---|---|
| -8 | Refusal (spontaneous) | 68 |
16.8%
|
| 1 | Face-to-face interview, immediately after the main survey (spontaneous) | 335 |
82.9%
|
| 2 | Continue by phone at a later date (spontaneous) | 1 |
0.2%
|