Table 1 Baseline sample characteristics by gender in the USA and England
Variables | USA – Men (N = 7354) | USA – Women (N = 10,396) | England – Men (N = 3769) | England – Women (N = 4722) |
|---|---|---|---|---|
Mean (S.E.) | ||||
Episodic memory score | 9.6 (0.05) | 10.4 (0.04) | 10.0 (0.1) | 10.4 (0.1) |
Age | 64 (0.1) | 65 (0.1) | 66 (0.2) | 67 (0.2) |
% | ||||
HRB clustering | ||||
Multi-HRB cluster | 56.3 | 31.0 | 77.7 | 43.4 |
Inactive cluster | 21.3 | 26.6 | 22.3 | 33.0 |
Smoking cluster | 22.4 | - | - | - |
Ex-smoking cluster | - | 42.3 | - | 23.7 |
Birth cohort | ||||
Born in 1950–1959 | 39.1 | 37.2 | 31.7 | 29.3 |
Born in 1940–1949 | 33.7 | 32.2 | 35.9 | 33.7 |
Born in 1930–1939 | 18.2 | 18.8 | 22.6 | 22.9 |
Born in 1929 and earlier | 8.9 | 11.9 | 9.8 | 14.0 |
Marital status | ||||
Married or partnered | 73.6 | 56.5 | 77.0 | 61.0 |
Separated, divorced or single | 20.5 | 22.8 | 14.7 | 16.7 |
Widowed | 5.9 | 20.7 | 8.3 | 22.3 |
Education | ||||
First stage of tertiary or more | 37.8 | 30.0 | 18.5 | 10.2 |
Upper secondary education | 48.8 | 55.5 | 23.2 | 17.3 |
Lower secondary education | 9.2 | 10.7 | 22.4 | 22.7 |
Primary education or less | 4.3 | 3.9 | 35.9 | 49.8 |
Wealth | ||||
Highest | 26.8 | 23.2 | 20.5 | 16.6 |
2nd | 22.6 | 21.9 | 19.7 | 18.7 |
3rd | 19.8 | 19.6 | 20.2 | 19.4 |
4th | 17.2 | 19.0 | 19.1 | 20.8 |
Lowest | 13.7 | 16.2 | 20.5 | 24.5 |
Labour force status | ||||
Work full-time or part-time | 48.0 | 39.6 | 37.5 | 26.4 |
Unemployed | 4.4 | 3.3 | 2.0 | 0.5 |
Retired | 44.1 | 47.0 | 53.4 | 58.4 |
Disabled | 1.9 | 2.4 | 5.6 | 4.7 |
Not in the labour force | 1.6 | 7.7 | 1.5 | 10.0 |
Presence of any long-term condition | ||||
No | 10.6 | 10.3 | 28.4 | 23.6 |
Yes | 89.4 | 89.7 | 71.6 | 76.4 |