Demographics of participants in the Cognitive Function and Aging Study (CFAS) by sex, age, social class and comorbidity (data are counted in percentages)
| All (n=11903) | Males (n=4689) | Females (n=7214) | ||||
|---|---|---|---|---|---|---|
| N | Per cent* | N | Per cent* | N | Per cent* | |
| Age (years) | ||||||
| 65–74 | 5980 | 58.8 | 2635 | 64.5 | 3345 | 55.0 |
| 75–84 | 4624 | 32.1 | 1716 | 29.6 | 2908 | 33.8 |
| 85+ | 1299 | 9.1 | 338 | 5.9 | 961 | 11.2 |
| Social class | ||||||
| I | 558 | 4.8 | 225 | 4.8 | 333 | 4.8 |
| II | 2988 | 26.1 | 1213 | 26.3 | 1775 | 25.9 |
| IIIa | 1337 | 11.6 | 456 | 9.9 | 881 | 12.8 |
| IIIb | 4295 | 37.7 | 1865 | 40.8 | 2430 | 35.5 |
| IV | 1727 | 14.9 | 650 | 13.9 | 1077 | 15.7 |
| V | 561 | 4.9 | 196 | 4.3 | 365 | 5.3 |
| Comorbidity | ||||||
| Angina | 1923 | 16.3 | 878 | 15.3 | 1045 | 11.1 |
| Diabetes | 672 | 5.5 | 310 | 6.4 | 362 | 4.9 |
| Heart attack | 1139 | 9.5 | 632 | 13.6 | 507 | 6.8 |
*Weighted percentages.