Table 1.
Baseline characteristics of 19 458 men and women with ECG measurements
| Men (n=8089) | Women (n=11 369) | |
| Age (years) | 43.8 (13.0) | 43.1 (13.0) |
| Ethnicity | ||
| Dutch | 1873 (23.2) | 2293 (20.2) |
| South-Asian Surinamese | 1125 (13.9) | 1464 (12.9) |
| African Surinamese | 1411 (17.4) | 2266 (19.9) |
| Ghanaian | 822 (10.2) | 1321 (11.6) |
| Turkish | 1451 (17.9) | 1769 (15.6) |
| Moroccan | 1407 (17.4) | 2256 (19.8) |
| Family history of CVD (missing: n=217) | 1637 (20.4) | 2611 (23.3) |
| Smoker | ||
| Current | 2539 (31.4) | 2032 (17.9) |
| Past | 2021 (25.0) | 1753 (15.4) |
| Never | 3529 (43.6) | 7584 (66.7) |
| Pack-years of smoking (missing: n=191) | 5.4 (16.2) | 1.8 (7.3) |
| Achieving physical activity norm (missing: n=27) | 5020 (62.2) | 5963 (52.5) |
| Alcohol consumption (missing: n=115) | ||
| None or low | 5981 (74.4) | 8985 (79.5) |
| Moderate | 1526 (19.0) | 1549 (13.7) |
| High | 528 (6.6) | 774 (6.8) |
| BMI (kg/m2; missing: n=15) | 26.3 (4.2) | 27.5 (5.8) |
| CKD risk (missing: n=63) | ||
| Low | 7684 (95.4) | 10 689 (94.3) |
| Moderate | 304 (3.8) | 555 (4.9) |
| High | 68 (0.8) | 95 (0.8) |
| Hypertension | 3026 (37.4) | 3594 (31.6) |
| Hypercholesterolemia | 5752 (71.1) | 7147 (62.9) |
| Diabetes | 829 (10.2) | 952 (8.4) |
| Use of psychotropic medication (missing: n=4)* | 397 (4.9) | 679 (6.0) |
Data are presented as means (SD) or frequencies (%).
*Anatomical Therapeutic Chemical codes: N03AE, N03AF, N03AG, N03AN, N05A, N05BA, N05C, N06A, N06BA, N07B and R06AD02.
BMI, body mass index; CKD, chronic kidney disease; CVD, cardiovascular disease.