Table 1.
Baseline participant characteristics in CFAS I and CFAS II
| Demographic characteristics | CFAS I (N = 7,635) | CFAS II (N = 7,762) |
|---|---|---|
| Sex | ||
| Male | 3045 (39.9) | 3534 (45.5) |
| Female | 4590 (60.1) | 4228 (54.5) |
| Age | ||
| 64–69 | 1981 (25.9) | 1939 (25.0) |
| 70–74 | 1776 (23.3) | 1873 (24.1) |
| 75–79 | 1725 (22.6) | 1624 (20.9) |
| 80–84 | 1308 (17.1) | 1278 (16.5) |
| 85–89 | 615 (8.1) | 737 (9.5) |
| 90+ | 230 (3.0) | 311 (4.0) |
| Centre | ||
| Cambridgeshire | 2601 (34.1) | 2558 (33.0) |
| Newcastle | 2522 (33.0) | 2582 (33.3) |
| Nottingham | 2512 (32.9) | 2622 (33.8) |
| MMSE1 | ||
| Median (IQR) | 27 (24, 28) | 28 (26, 29) |
| Disability | ||
| None | 5236 (68.6) | 4975 (64.1) |
| IADL disability | 1048 (13.7) | 1495 (19.3) |
| ADL-IADL disability | 1267 (16.6) | 981 (12.6) |
| Residence | ||
| Community-dwelling | 7245 (94.9) | 7565 (97.5) |
| Long term care | 242 (3.2) | 197 (2.5) |
Cell entries denote n (%) unless otherwise specified
1139 and 255 participants had missing MMSE data in CFAS I and CFAS II
Abbreviations: CFAS Cognitive Function and Ageing Studies, CI confidence interval, MMSE Mini-Mental State Examination, ADL activities of daily living, IADL instrumental activities of daily living, SD standard deviation, IQR Interquartile range