Demographic characteristics of sample
| Age: | Sex (n (%)): | ||
|---|---|---|---|
| mean (SD) | 75.6 | Female | 258 (68.3) |
| Range | 43–102 | Male | 120 (31.7) |
| Diagnostic syndrome (n (%)): | |||
| Education (y): | Dementia | 346 (91.5) | |
| mean (SD) | 12.4 (3.4) | Other cognitive impairment | 22 (5.8) |
| range | 0-20 | No cognitive impairment | 5 (1.3) |
| Diagnosis deferred | 5 (1.3) | ||
| MMSE: | Aetiology (n (%)): | ||
| mean (SD) | 18.7(6.7) | Possible Alzheimer's disease | 54 (14.6) |
| range | 0–30 | Probable Alzheimer's disease | 202 (54.7) |
| Possible + probable ischaemic vascular disease | 15 (4.1) | ||
| Ethnicity (n (%)): | Mixed Alzheimer's disease-ischaemic vascular disease | 20 (5.4) | |
| White | 307 (81.2) | Mixed ischaemic vascular disease-Parkinson's | 1 (0.3) |
| Black | 31 (8.2) | Other dementia | 77 (20.8) |
| Hispanic | 22 (5.8) | ||
| Asian | 8 (2.1) | ||
| Other | 10 (2.6) | ||