Table 2.
Distribution of body mass index (BMI, kg/m2), and age-adjusted prevalence of overweight and obesity, in Tromsø 6 (2007–2008) and Tromsø 7 (2015–2016)
| Women | Men | |||||
| Tromsø 6 | Tromsø 7 | Tromsø 6 | Tromsø 7 | |||
| BMI | ||||||
| <18.5 | 1.0 | 0.9 | 0.3 | 0.2 | ||
| 18.50–19.99 | 3.0 | 2.7 | 0.7 | 0.6 | ||
| 20.00–24.99 | 37.5 | 36.6 | 27.4 | 23.3 | ||
| 25.00–29.99 | 38.3 | 37.2 | 51.2 | 50.8 | ||
| 30.00–34.99 | 14.9 | 16.0 | 17.3 | 20.0 | ||
| 35–39.99 | 4.2 | 4.8 | 2.6 | 4.2 | ||
| ≥40.00 | 1.1 | 1.7 | 0.5 | 1.0 | ||
| Participants aged 40–84 | ||||||
| Mean age (SD) | 58.2 (12.0) | 56.8 (10.9) | 58.1 (11.5) | 57.1 (11.0) | ||
| Mean BMI (95% CI) | 26.6 (26.5 to 26.7) | 26.9 (26.8 to 27.0) | 27.3 (27.1 to 27.4) | 27.9 (27.8 to 27.9) | ||
| Mean BMI age adjusted (95% CI) | 26.6 (26.5 to 26.7) | 26.9 (26.8 to 27.0) | P<0.0001† | 27.3 (27.2 to 27.4) | 27.8 (27.8 to 27.9) | P<0.0001† |
| % obese (95% CI) | 20.4 (19.4 to 21.4) | 22.5 (21.7 to 23.3) | 20.4 (19.4 to 21.5) | 25.2 (24.4 to 26.1) | ||
| % obese, age adjusted (95% CI) | 20.1 (19.3 to 21.0) | 23.0 (22.2 to 23.7) | OR=1.18 (1.12 to 1.25)† | 20.7 (19.8 to 21.6) | 25.2 (24.3 to 26.0) | OR=1.29 (1.22 to 1.36)† |
The Tromsø study.
*Distribution in %. Obesity, BMI ≥30.
†From generalised estimation equation.