Table 2 Contacting the sample in each country participating in the MentDis_ICF65+ study
Hamburg (Germany) | Ferrara (Italy) | London (England) | Madrid (Spain) | Geneva (Switzerland) | Jerusalem (Israel) | |
|---|---|---|---|---|---|---|
Total number of contacted people (N) | 5640 | 3213 | 2534 | 3375 | 2700 | 3208 |
Total number of people who agreed to participate (n, %) | 626 (11.1) | 546 (17.0) | 542 (21.4) | 584 (17.3) | 565 (20.9) | 609 (18.9) |
Excluded participants (n) | 13 | 23 | 10 | 3 | 4 | 60 |
Reasons for exclusion | cognitive problems | cognitive problems | cognitive problems | cognitive problems | cognitive problems | cognitive and language problems |
Drop out (not required)a | 106 (54) | 0 | 36 | 26 | 41 | 7 |
Reasons for dropping out | Withdrawal of willingness to participate, illness, not reached, not required, invalid interview (incomplete data) | Denial or subsequent withdrawal of willingness to participate, illness, not reached, deceased, transferred, not required | Withdrawal of willingness to participate, illness, not reached, invalid interview (incomplete data) | Withdrawal of willingness to participate, not reached, illness, invalid interview (incomplete data) | Illness, holidays, difficulty locating, invalid interview (incomplete data) | Withdrawal of willingness to participate, illness |
Incentives | 25 Euro shopping voucher | A small gift | none | 15 Euro shopping voucher | None, except for a choice of interview location (home/office) | a small gift |
Final sample size (N) | 510 | 524 | 496 | 555 | 520 | 542 |