Table 1.
Demographic characteristics of the participants at baseline.
| Characteristics | Participants who completed a criterion search (n=42) | Participants who never completed a search (n=32) | P value |
| Age in years, mean (SD) | 81.1 (10.5) | 88.9 (6.1) | <.001 |
| Sex, female, n (%) | 35 (83) | 22 (68.8) | .14 |
| Education in years, mean (SD) | 15.5 (2.0) | 15.3 (2.5) | .62 |
| Cumulative Illness Rating Scale (CIRS) score, mean (SD) | 20.3 (2.6) | 20.8 (2.6) | .37 |
| Mini-Mental State Examination (MMSE) score, mean (SD) | 29 (1.3) | 28.6 (1.7) | .46 |
| Clinical Dementia Rating (CDR) score ≥0.5, n (%) | 1 (3) | 4 (10.3) | .21 |
| Cognitive z-score, mean (SD) | 0.16 (0.56) | 0.08 (0.76) | .60 |