High prevalence of obesity, central obesity and abnormal glucose tolerance in the middle-aged Finnish population
2008

Obesity and Diabetes in Middle-Aged Finns

Sample size: 4500 publication 10 minutes Evidence: high

Author Information

Author(s): Saaristo Timo, Barengo Noël C, Korpi-Hyövälti Eeva, Oksa Heikki, Puolijoki Hannu, Saltevo Juha T, Vanhala Mauno, Sundvall Jouko, Saarikoski Liisa, Peltonen Markku, Tuomilehto Jaakko

Primary Institution: Finnish Diabetes Association

Hypothesis

What is the prevalence of obesity, central obesity, and abnormal glucose tolerance in the Finnish population aged 45-74?

Conclusion

The study found high prevalences of obesity, central obesity, and abnormal glucose tolerance in the Finnish population, with many previously undetected cases of type 2 diabetes.

Supporting Evidence

  • The prevalence of obesity was 23.5% in men and 28.0% in women.
  • 42.0% of men and 33.4% of women had abnormal glucose tolerance.
  • 9.3% of men and 7.3% of women had previously unknown type 2 diabetes.

Takeaway

This study shows that many middle-aged people in Finland are overweight or have diabetes, and a lot of them don't even know it.

Methodology

A cross-sectional population-based survey was conducted with health examinations and oral glucose tolerance tests.

Potential Biases

Non-participants may have had undiagnosed diabetes, leading to potential underestimation of prevalence.

Limitations

The response rate was only 62% in men, which may underestimate the prevalence of diabetes.

Participant Demographics

Participants were randomly selected individuals aged 45-74 years from three geographical areas in Finland.

Statistical Information

P-Value

< 0.001

Confidence Interval

95% CI 21.1–25.9 for men, 95% CI 25.5–30.5 for women

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2458-8-423

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