• Open Access

Trends in overweight and obesity over 22 years in a large adult population: the HUNT Study, Norway

Authors

  • K. Midthjell,

    Corresponding author
    • Department of Community Medicine and General Practice, HUNT Research Centre, Norwegian University of Science and Technology, Levanger, Norway
    Search for more papers by this author
  • C. M. Y. Lee,

    1. The Boden Institute of Obesity, Nutrition, Exercise & Eating Disorders, University of Sydney, Sydney, Australia
    Search for more papers by this author
  • A. Langhammer,

    1. Department of Community Medicine and General Practice, HUNT Research Centre, Norwegian University of Science and Technology, Levanger, Norway
    Search for more papers by this author
  • S. Krokstad,

    1. Department of Community Medicine and General Practice, HUNT Research Centre, Norwegian University of Science and Technology, Levanger, Norway
    Search for more papers by this author
  • T. L. Holmen,

    1. Department of Community Medicine and General Practice, HUNT Research Centre, Norwegian University of Science and Technology, Levanger, Norway
    Search for more papers by this author
  • K. Hveem,

    1. Department of Community Medicine and General Practice, HUNT Research Centre, Norwegian University of Science and Technology, Levanger, Norway
    Search for more papers by this author
  • S. Colagiuri,

    1. The Boden Institute of Obesity, Nutrition, Exercise & Eating Disorders, University of Sydney, Sydney, Australia
    Search for more papers by this author
  • J. Holmen

    1. Department of Community Medicine and General Practice, HUNT Research Centre, Norwegian University of Science and Technology, Levanger, Norway
    Search for more papers by this author

Address for correspondence: Professor K Midthjell, HUNT Research Centre, Department of Community Medicine and General Practice, Norwegian University of Science and Technology, Forskningsvegen 2, N-7600 Levanger, Norway. E-mail: kristian.midthjell@ntnu.no.

Summary

Some reports indicate that the obesity epidemic may be slowing down or halting. We followed body mass index (BMI) and waist circumference (WC) in a large adult population in Norway (n = 90 000) from 1984–1986 (HUNT1) through 1995–1997 (HUNT2) to 2006–2008 (HUNT3) to study whether this is occurring in Norway. Height and weight were measured with standardized and identical methods in all three surveys; WC was also measured in HUNT2 and HUNT3. In the three surveys, mean BMI increased from 25.3 to 26.5 and 27.5 kg m−2 in men and from 25.1 to 26.2 and 26.9 kg m−2 in women. Increase in prevalence of obesity (BMI ≥ 30 kg m−2) was greater in men (from 7.7 to 14.4 and 22.1%) compared with women (from 13.3 to 18.3 and 23.1%). In contrast, women had a greater increase in abdominal obesity (WC ≥ 102 cm for men and WC ≥ 88 cm for women). There was a continuous shift in the distribution curve of BMI and WC to the right, demonstrating that the increase in body weight was occurring in all weight groups, but the increase of obesity was greatest in the youngest age groups. Our data showed no signs of a halt in the increase of obesity in this representative Norwegian population.

Ancillary