Table 1.
Non-imaging factors.
| Mean (std) | |
|---|---|
| Clinical factors | |
| Age | 50.23 (13.83) |
| Sex (F: female; M: male) | F: 937 (54.4%); M: 785 (45.6%) |
| Heart rate at rest (BPM) | 70.61 (10.40) |
| Systolic blood pressure at rest (mmHg) | 126.52 (17.09) |
| Body-mass index (BMI; kg/m2) | 27.48 (4.39) |
| Waist-to-hip ratio (WHR) | 0.88 (0.09) |
| Intracranial volume (ICV; cm3) | 1402.44 (136.10) |
| Behavioral factors | |
| Smoking duration (years) | 9.55 (13.42) |
| Number of drinks per day (0: zero; 1: one to two; 2: three to four; 3: five to six; 4: seven to nine; 5: ten or more) | 0: 123 (7.1%); 1: 1222 (71%); 2: 313 (18.2%); 3: 49 (2.8%); 4: 12 (0.7%); 5: 3 (0.2%) |
Clinical and behavioral factor mean and standard deviation of the finally included subjects.