Crude descriptive characteristics by sex and survey. The Tromsø Study 1994–2016.
| Tromsø4 1994–1995 | Tromsø5 2001 | Tromsø6 2007–2008 | Tromsø7 2015–2016 | |
| Women | 9388 (53.5) | 3880 (57.2) | 5181 (54.0) | 6351 (53.5) |
| Age, years | ||||
| 25–29 | 1034 (11.0) | NA | NA | NA |
| 30–39 | 2478 (26.4) | 105 (2.7) | 52 (1.0) | NA |
| 40–49 | 2456 (26.1) | 621 (16.0) | 1271 (24.5) | 678 (10.7) |
| 50–59 | 1822 (19.4) | 709 (18.3) | 1059 (20.4) | 2204 (34.7) |
| 60–69 | 1196 (12.7) | 1402 (36.1) | 1907 (36.8) | 2237 (35.2) |
| 70–79 | 402 (4.3) | 1043 (26.9) | 892 (17.2) | 1232 (19.4) |
| Total cholesterol, mmol/L | 6.0 (1.3) | 6.4 (1.2) | 5.8 (1.1) | 5.7 (1.0) |
| Systolic blood pressure, mmHg | 131.7 (18.9) | 140.5 (20.7) | 138.0 (25.5) | 132.4 (21.9) |
| Diastolic blood pressure, mmHg | 77.4 (12.7) | 83.3 (13.1) | 76.3 (11.3) | 74.2 (10.5) |
| History of cardiovascular diseases* | 89 (1.0) | 189 (5.1) | 209 (4.2) | 221 (3.6) |
| Lipid-lowering drugs, yes | NA | 361 (9.3) | 695 (13.4) | 1076 (16.9) |
| Body mass index, kg/m2 | 24.6 (4.0) | 26.5 (4.7) | 26.6 (4.6) | 27.0 (4.8) |
| Daily smoker, % | 3318 (35.5) | 1069 (27.8) | 1091 (21.4) | 963 (15.3) |
| Education | ||||
| Primary | 3333 (35.6) | 1962 (50.8) | 1711 (35.4) | 1876 (30.0) |
| Upper secondary | 3385 (36.2) | 1172 (30.4) | 1736 (33.5) | 1761 (28.2) |
| College/university <4 years | 1332 (14.3) | 386 (10.0) | 719 (13.5) | 1016 (16.3) |
| College/university ≥4 years | 1304 (13.9) | 339 (8.8) | 948 (17.6) | 1597 (25.5) |
| Men | 8162 (46.5) | 2897 (42.8) | 4492 (46.0) | 5517 (46.5) |
| Age, years | ||||
| 25–29 | 839 (10.3) | NA | NA | NA |
| 30–39 | 2023 (24.8) | 53 (1.8) | 19 (0.4) | NA |
| 40–49 | 2303 (28.2) | 463 (15.4) | 1012 (22.5) | 566 (10.3) |
| 50–59 | 1654 (20.3) | 347 (11.5) | 924 (20.6) | 1784 (32.3) |
| 60–69 | 1025 (12.6) | 1190 (39.5) | 1751 (40.0) | 2008 (36.4) |
| 70–79 | 318 (3.9) | 844 (29.1) | 786 (17.5) | 1159 (21.0) |
| Total cholesterol, mmol/L | 5.5 (1.1) | 6.1 (1.1) | 5.5 (1.1) | 5.3 (1.1) |
| Systolic blood pressure, mmHg | 139.9 (16.2) | 144.0 (19.0) | 142.2 (21.2) | 136.6 (18.7) |
| Diastolic blood pressure, mmHg | 81.9 (12.1) | 85.8 (13.0) | 82.2 (10.8) | 79.6 (10.1) |
| History of cardiovascular diseases* | 228 (2.9) | 365 (12.9) | 450 (10.3) | 539 (10.1) |
| Lipid-lowering drugs, yes | NA | 414 (14.3) | 805 (17.9) | 1234 (23.4) |
| Body mass index, kg/m2 | 25.6 (3.2) | 26.8 (3.5) | 27.3 (3.7) | 27.8 (3.9) |
| Daily smoker, % | 2857 (35.1) | 798 (27.7) | 840 (18.2) | 717 (13.1) |
| Education | ||||
| Primary | 2382 (29.2) | 1176 (40.8) | 1180 (26.6) | 1425 (26.3) |
| Upper secondary | 3152 (38.7) | 1039 (36.0) | 1625 (36.6) | 1770 (32.6) |
| College/university <4 years | 1415 (17.4) | 402 (13.9) | 909 (20.5) | 1135 (20.9) |
| College/university ≥4 years | 1193 (14.7) | 269 (9.3) | 723 (16.3) | 1093 (20.2) |
Values are means with SD for continuous variables and number and percentage for categorical variables.
*Including stroke and myocardial infraction.