| Female | Male | ||||
---|---|---|---|---|---|---|
Baby Boomers (born 1946–1964) | Pre-Boomers (born before 1946) | p-value | Baby Boomers (born 1946–1964) | Pre-Boomers (born before 1946) | p-value | |
NÂ =Â 275 | NÂ =Â 315 | Â | NÂ =Â 257 | NÂ =Â 396 | Â | |
Mid-life SES (%) | Â | Â | 0.00 | Â | Â | 0.00 |
 Low | 0.00b | 18.57 |  | 0.00b | 10.63 |  |
 Medium | 54.84 | 45.27 |  | 49.74 | 50.52 |  |
 High | 45.16 | 36.16 |  | 50.26 | 38.85 |  |
City residence in 2006 (%) | 53.91 | 44.51 | 0.06 | 51.55 | 43.08 | 0.10 |
APOE4 (%) | Â | Â | 0.00 | Â | Â | 0.00 |
 Non-carrier | 62.54 | 83.57 |  | 67.45 | 85.49 |  |
 Carrier | 11.81 | 16.43 |  | 10.70 | 14.51 |  |
 Unknown | 25.64 | 0.00a |  | 21.85 | 0.00a |  |
Economic strain (%) | Â | Â | 0.81 | Â | Â | 0.04 |
 Enough | 7.12 | 7.31 |  | 10.63 | 6.59 |  |
 Just enough | 73.46 | 70.04 |  | 65.14 | 68.10 |  |
 Some difficulty | 14.57 | 16.54 |  | 22.29 | 19.09 |  |
 Much difficulty | 4.86 | 6.12 |  | 1.93 | 6.21 |  |
Marital status (%) | Â | Â | 0.00 | Â | Â | 0.00 |
 Currently married | 80.15 | 58.74 |  | 89.98 | 82.73 |  |
 Widowed | 15.15 | 39.42 |  | 2.79 | 11.94 |  |
 Never married/separated/divorced | 4.70 | 1.84 |  | 7.22 | 5.33 |  |
Family living arrangement (%) | ||||||
 Living with partners | 77.11 | 54.15 | 0.00 | 89.85 | 79.35 | 0.00 |
 Living with grandchildren | 32.92 | 51.77 | 0.00 | 19.39 | 43.45 | 0.00 |
Family stressor (%) | Â | Â | 0.21 | Â | Â | 0.04 |
 0 | 55.96 | 60.91 |  | 61.39 | 65.00 |  |
 1 | 18.03 | 14.57 |  | 19.82 | 12.28 |  |
 2 and more | 26.00 | 24.52 |  | 18.79 | 22.72 |  |
Weekly exercise (%) | Â | Â | 0.01 | Â | Â | 0.00 |
 Less than 1 | 23.65 | 14.71 |  | 20.08 | 13.24 |  |
 2–5 | 52.80 | 59.15 |  | 60.72 | 53.78 |  |
 6+ | 23.55 | 26.15 |  | 19.19 | 32.98 |  |
Depressive symptoms [mean (SD); range] | 4.43 (5.59; 0–26) | 6.04 (6.11; 0–26) | 0.00 | 3.25 (4.65; 0–30) | 4.68 (5.33; 0–28) | 0.00 |
Age [mean (SD); range] | 56.39 (2.12; 53–60) | 70.29 (6.57; 61–85) | 0.00 | 56.32 (2.14; 53–60) | 70.88 (6.73; 61–85) | 0.00 |
Ethnicity (%) | Â | Â | 0.27 | Â | Â | 0.00 |
 Fukianese | 81.21 | 77.21 |  | 72.01 | 70.30 |  |
 Hakka | 13.95 | 17.74 |  | 22.07 | 13.00 |  |
 Mainlander | 4.84 | 5.06 |  | 5.92 | 16.69 |  |
Cognitive score [mean (SD); range] | 20.20 (3.87; 5–28) | 16.51 (5.13; 0–26) | 0.00 | 21.30 (3.20; 8–27) | 18.45 (4.32; 0–27) | 0.00 |