Mean body mass index (BMI, kg/m2) (SD) and prevalence (%) of low weight (BMI<20 kg/m2) and obesity (BMI≥30 kg/m2) in Tromsø 4 (1994–1995) according to age groups and gender
| BMI | ||||||||
|---|---|---|---|---|---|---|---|---|
| Men (N=12 564) | Women (N=13 519) | |||||||
| Age | N | Mean (SD) | Per cent <20 | Per cent ≥30 | n | Mean (SD) | Per cent <20 | Per cent ≥30 |
| 25–29 | 1506 | 24.7 (3.2) | 3.7 | 6.2 | 1629 | 23.4 (3.7) | 14.0 | 5.8 |
| 30–34 | 1532 | 25.0 (3.2) | 2.7 | 7.6 | 1667 | 23.4 (3.7) | 13.1 | 5.6 |
| 35–39 | 1638 | 25.3 (3.1) | 1.8 | 7.4 | 1731 | 23.7 (3.7) | 9.8 | 6.1 |
| 40–44 | 1665 | 25.5 (3.2) | 2.2 | 8.4 | 1693 | 24.1 (3.7) | 8.1 | 7.6 |
| 45–49 | 1588 | 26.2 (3.4) | 2.0 | 12.1 | 1639 | 24.9 (4.0) | 5.9 | 10.6 |
| 50–54 | 1286 | 26.3 (3.2) | 1.7 | 12.6 | 1240 | 25.5 (4.3) | 5.8 | 14.4 |
| 55–59 | 908 | 26.3 (3.2) | 1.1 | 11.3 | 921 | 26.0 (4.4) | 4.2 | 15.9 |
| 60–64 | 773 | 26.2 (3.4) | 2.2 | 10.6 | 760 | 26.0 (4.4) | 5.3 | 15.9 |
| 65–69 | 657 | 25.7 (3.4) | 2.9 | 11.0 | 811 | 26.5 (4.7) | 5.4 | 20.1 |
| 70–74 | 553 | 25.8 (3.6) | 5.2 | 10.5 | 657 | 26.7 (4.6) | 5.0 | 21.8 |
| 75–79 | 295 | 25.5 (3.3) | 5.8 | 8.8 | 463 | 26.4 (4.6) | 6.9 | 21.6 |
| 80–84 | 123 | 24.8 (3.4) | 6.5 | 8.1 | 233 | 26.2 (4.3) | 4.3 | 19.7 |
| 85–97 | 40 | 24.3 (2.9) | 10.0 | 0.0 | 75 | 25.9 (4.4) | 6.7 | 14.7 |
| Total | 12 564 | 25.6 (3.3) | 2.6 | 9.4 | 13 519 | 24.7 (4.2) | 8.3 | 11.1 |