Table 1.
Participant characteristics
| Variable | Male (n = 216) | Female (n = 384) |
|---|---|---|
| Age (years) * | 72.71 ± 8.07 | 71.10 ± 8.44 |
| Years of follow-up (%) | 4.98 ± 2.70 | 5.04 ± 2.57 |
| 1–3 years | 37.04% | 31.77% |
| 4–6 years | 27.78% | 35.68% |
| 7–9 years | 35.19% | 32.56% |
| Education (%) * | ||
| Less then 12 years | 1.48 | 1.20 |
| High school graduate | 6.67 | 17.60 |
| Some university | 16.30 | 31.20 |
| University degree | 20.74 | 19.60 |
| Some graduate degree study | 16.30 | 8.80 |
| Masters degree | 23.70 | 13.60 |
| Doctorate degree | 9.63 | 2.40 |
| Vocational/Technical training | 5.19 | 5.60 |
| Apolipoprotein E4 (%) | 21.79 | 21.85 |
| Gait speed (m/s) * | 0.85 ± 0.21 | 0.81 ± 0.21 |
| Modified mini-mental state exam (3MSE) | 84.34 ± 6.14 | 84.65 ± 5.55 |
| Waist circumference (cm) * | 97.32 ± 10.65 | 86.76 ± 10.63 |
| Body mass index (wt/h2) | 25.56 ± 3.54 | 24.94 ± 4.01 |
| Health status (%) | ||
| Excellent | 30.73 | 28.71 |
| Good | 45.81 | 48.71 |
| Fair | 15.64 | 18.06 |
| Poor | 7.82 | 4.52 |
Mean ± St. deviation unless stated otherwise
Bold and * = significant sex difference p < 0.05