Table 1.
Demographic Characteristics of Subjects, Sweden and USA.
| Sweden | USA | |
|---|---|---|
| Total number of subjects | 60,600 | 31,198 |
| Males | 28,947 (47.8%) | 14,884 (47.7%) |
| Females | 31,653 (52.2%) | 16,314 (52.3%) |
| Age at enrollment, mean (SD) | 46.6 (9.9) | 44.4 (9.0) |
| Education | ||
| Less than University | 46,211 (77.4%) | 23,020 (74.3%) |
| University | 13,513 (22.6%) | 7,975 (25.7%) |
| Current smoking | ||
| Nonsmoker | 49,958 (82.4%) | 21,703 (71.4%) |
| Smoker | 10,642 (17.6%) | 8,715 (28.7%) |
| Body mass index, kg/m2, mean (SD) | 25.6 (9.9) | 27.3 (5.5) |
| BMI stratum | ||
| 18.5–24.9 | 30,181 (49.8%) | 11,997 (38.5%) |
| 25.0–29.9 | 23,347 (38.5%) | 11,533 (37.0%) |
| 30.0–34.9 | 5,635 (9.3%) | 5,096 (16.3%) |
| 35.0+ | 1,437 (2.4%) | 2,572 (8.2%) |