Table 1.
Characteristics of the sample grouped by sex.
| Men (mean, SD) | Women (mean, SD) | ||
|---|---|---|---|
| N | 1367 | 1471 | |
| Age [years] | 52.30 (14.1) | 52.43 (13.2) | F1,2836 = 0.71, p = 0.79 |
| Education [years] | 12.98 (2.50) | 12.44 (2.31) | F1,2836 = 35.95, p < 0.001 |
| Income total [€] | 2334.81 (1188.33) | 2084.22 (1097.62) | F1,2836 = 34.10, p < 0.001 |
| Income equiv [€] | 1549.48 (754.70) | 1396.34 (667.88) | F1,2836 = 32.87, p < 0.001 |
| Cigarettes [packyears] | 10.78 (16.30) | 4.60 (9.63) | F1,2836 = 153.54, p < 0.001 |
| Alcohol [g/d] | 13.84 (15.72) | 4.52 (6.23) | F1,2836 = 441.82, p < 0.001 |
| BMI | 28.12 (3.73) | 27.19 (4.96) | F1,2836 = 31.61, p < 0.001 |
| Stress | 1.86 (0.68) | 2.04 (0.77) | F1,1795 = 26.76, p < 0.001 |
| TIV[ccm] | 1644.91 (123.44) | 1448.02 (105.12) | F1,2836 = 2102.2, p < 0.001 |
| IQR | 2.84 (0.34) | 2.68 (0.28) | F1,2836 = 196.83, p < 0.001 |
Edu years of education, Income total total household income, Income equiv net-equivalent income, Cigarettes packyears, Alcohol pure alcohol in gram per day, BMI body mass index, TIV total intracranial volume, IQR image quality rating of the segmentation process (range: 1: very good—6: unacceptable).