Table 1.
Sample size | Memory | AH4 | Mill Hill | Phonemic fluency | Semantic fluency | |
---|---|---|---|---|---|---|
Age-adjusted mean (SD)¶ by sex (N=5244) | ||||||
Men | 3811 | 6.75(2.27) | 49.0(9.03) | 26.0(3.36) | 16.9(4.26) | 16.6(3.89) |
Women | 1433 | 6.96(2.63) | 42.8(11.3) | 24.0(4.69) | 16.8(4.78) | 16.2(4.49) |
Difference p | 0.005 | <0.0001 | <0.0001 | 0.45 | 0.0004 | |
Mean by age group | ||||||
Men | ||||||
45–49 | 868 | 7.58 | 50.8 | 25.7 | 17.9 | 17.8 |
50–59 | 1920 | 7.10 | 50.2 | 26.1 | 17.5 | 17.1 |
60–69 | 1023 | 6.16 | 47.9 | 26.3 | 16.0 | 15.9 |
Trend p | <0.0001 | <0.0001 | 0.0004 | <0.0001 | <0.0001 | |
Women | ||||||
45–49 | 302 | 8.06 | 49.2 | 25.9 | 18.8 | 18.6 |
50–59 | 681 | 7.18 | 44.5 | 24.3 | 17.2 | 16.8 |
60–69 | 450 | 6.33 | 37.5 | 22.4 | 15.4 | 14.4 |
Trend p | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | |
Age-adjusted mean by education | ||||||
Men | ||||||
No qualification | 216 | 6.01 | 39.4 | 22.3 | 14.1 | 13.8 |
Secondary | 2000 | 6.63 | 48.6 | 25.7 | 16.6 | 16.5 |
University | 1416 | 7.23 | 53.2 | 27.8 | 18.0 | 17.7 |
Trend p | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | |
Women | ||||||
No qualification | 287 | 5.94 | 34.1 | 19.9 | 14.5 | 13.6 |
Secondary | 645 | 7.03 | 43.6 | 24.4 | 17.0 | 16.2 |
University | 354 | 7.72 | 50.7 | 27.9 | 18.9 | 18.9 |
Trend p | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | |
Age-adjusted mean by employment grade | ||||||
Men | ||||||
High | 2067 | 7.10 | 52.2 | 27.1 | 17.8 | 17.5 |
Medium | 1566 | 6.46 | 46.9 | 25.3 | 16.0 | 16.0 |
Low | 156 | 5.69 | 34.7 | 21.4 | 13.4 | 12.8 |
Trend p | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | |
Women | ||||||
High | 332 | 7.54 | 50.9 | 27.4 | 19.3 | 18.7 |
Medium | 698 | 7.07 | 43.3 | 24.5 | 16.9 | 16.3 |
Low | 389 | 6.17 | 34.2 | 20.0 | 14.6 | 13.8 |
Trend p | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 |
the standard deviation (SD) was not age-adjusted. The sample sizes in all categories were the largest (usually the Mill Hill test) among five cognitive scores.