Table 1 Characteristics of Personality and Total Health Through Life project cohort for waves 1–4
Wave 1, estimate ± SD | Wave 2, estimate ± SD | Wave 3, estimate ± SD | Wave 4, estimate ± SD | |
|---|---|---|---|---|
n | 2078 | 1798 | 1596 | 1337 |
Age, years | 63 ± 1.5 | 67 ± 1.5 | 71 ± 1.5 | 75 ± 1.5 |
Female sex, n (%) | 1009 (48.5) | 870 (48.3) | 775 (48.6) | 651 (48.7) |
Education | 14 ± 2.8 | – | – | – |
Wave 1 completers | 12.7 ± 3.0 | – | – | – |
Wave 2 completers | 13.1 ± 2.7 | – | – | – |
Wave 3 completers | 13.5 ± 2.7 | – | – | – |
Wave 4 completers | 14.2 ± 2.6 | – | – | – |
Immediate recall | 7.2 ± 2.3 | 7 ± 2.2 | 6.7 ± 2.2 | 5.4 ± 1.9 |
Digit Span Backward | 4.9 ± 2.2 | 5.1 ± 2.2 | 5.1 ± 2.2 | 5.3 ± 2.2 |
Spot-the-Word test | 52.0 ± 6.0 | 53 ± 5.3 | 53 ± 5.1 | 54 ± 5 |
SDMT | 50.0 ± 9.7 | 50 ± 9.2 | 48 ± 9.2 | 46 ± 9.5 |
ANU-ADRI | 9.4 ± 5.9 | – | – | – |
EV-GRS | 1.6 ± 0.4 | – | – | – |
Cognitive status, n (%) | ||||
MCI | 23 (1.1) | 28 (1.6) | 35 (2.2) | 103 (7.7) |
Dementia | 0 (0) | 0 (0) | 7 (0.44) | 37 (2.7) |
MCI-TB | 384 (18.4) | 373 (20.7) | 347 (21.7) | 261 (19.5) |
Attrition, n (%) | ||||
Death | – | 57 (2.7) | 54 (2.5) | 94 (5.8) |
Dropout | – | 280 (13.5) | 167 (9.3) | 329 (20.6) |