Baseline characteristics by cohorts: the Tromsø Study 1994–2016
| Characteristics | Cohort I, 1994–2008 | Cohort II, 2007–2016 | ||
| Total cohort | MI cohort | Total cohort | MI cohort | |
| N | 10 089 | 396 | 8543 | 131 |
| Age (years) | 46.8 (11.7) | 56.1 (8.7) | 57.4 (10.5) | 64.1 (9.5) |
| Male (%) | 45.3 (4575) | 67.4 (267) | 45.3 (3874) | 66.4 (87) |
| Total cholesterol (mmol/L) | 6.1 (1.3) | 7.0 (1.1) | 5.7 (1.1) | 6.1 (1.0) |
| Low-density lipoprotein cholesterol (mmol/L) | 3.9 (1.2) | 4.8 (1.0) | 3.4 (1.0) | 4.0 (0.9) |
| High-density lipoprotein cholesterol (mmol/L) | 1.5 (0.4) | 1.4 (0.4) | 1.5 (0.4) | 1.4 (0.3) |
| Triglycerides (mmol/L) | 1.5 (1.0) | 2.0 (1.1) | 1.5 (0.9) | 1.7 (0.9) |
| Systolic blood pressure (mm Hg) | 133 (18.0) | 145 (20.0) | 133 (21.6) | 146 (23.6) |
| Diastolic blood pressure (mm Hg) | 78.1 (11.6) | 85.6 (11.4) | 77.6 (10.5) | 82.5 (10.6) |
| Body mass index (kg/m2) | 25.3 (3.7) | 26.7 (3.4) | 26.8 (4.2) | 27.8 (4.5) |
| Daily smoking (%) | 33.6 (3388) | 44.2 (175) | 17.9 (1517) | 31.3 (41) |
Values are mean (SD) or per cent (number).
MI, myocardial infarction.