| Round 1 (n = 30/100%) | Round 2 (n = 54/100%) | Round 3 (n = 44/100%) |
---|---|---|---|
Age in years: mean (SD) | 49.73 (11.99) | 48.85 (11.74) | 49.60 (12.45) |
Gender ratio (male/female) | 10:20 | 17:36a | 14:30 |
Nationality ratio: (Dutch/Belgian) | 26:4 | 46:6b | 39:5 |
Background of participants: | |||
 Scientist | 10 (33.3%) | 13 (24.1%) | 11 (25.0%) |
 Professional caregiver | 12 (40%) | 21 (38.9%) | 19 (43.2%) |
 Primary caregiver | 8 (26.7%) | 20 (37.0%) | 14 (31.8%) |