Table 1.
Sociodemographic characteristics of Cognitive Function and Ageing Survey (CFAS) I and CFAS II
| CFAS I (n=7635) | CFAS II (n=7796) | |
|---|---|---|
| Sex | ||
| Women | 4590 (60%) | 4246 (55%) |
| Age group (years) | ||
| 65–69 | 1981 (26%) | 1939 (25%) |
| 70–74 | 1776 (23%) | 1873 (24%) |
| 75–79 | 1725 (23%) | 1624 (21%) |
| 80–84 | 1308 (17%) | 1290 (17%) |
| ≥85 | 845 (11%) | 1070 (14%) |
| Education (years full time) | ||
| 0–9 | 5529 (74%) | 2052 (27%) |
| 10–11 | 1238 (17%) | 3923 (51%) |
| ≥12 | 692 (9%) | 1704 (22%) |
| Townsend deprivation index (tertile)* | ||
| Low deprivation | 2467 (33%) | 3737 (48%) |
| Middle deprivation | 2419 (33%) | 2412 (31%) |
| High deprivation | 2522 (34%) | 1619 (21%) |
Data are n (%). Numbers calculated as a percentage of the non-missing values (there were some missing values for education and deprivation).
*
CFAS I tertiles.