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Published on: July 5, 2022
Screening for type 2 diabetes in a high-risk population: effects of a negative screening test after 4 years follow-up
Julie I Willems1, Suzie J Otto, Bart Klijs
1Department of Public Health, Erasmus MC, P.O. Box 2040, 3000 CA, Rotterdam, Netherlands.
Background:
A negative diabetes screening test may unintentionally provide reassurance, resulting in reduced incentive to follow a healthy lifestyle.
Purpose:
The purpose of this study is to assess negative test result effects on lifestyle and risk perception at 4 years follow-up.
Methods:
Risk perception and changes in smoking, physical activity, body mass index (BMI), and waist circumference were compared between 706 high-risk participants with a negative test result and 706 high-risk participants not offered screening (controls) in a randomized controlled trial of diabetes screening.
Results:
Negative-screened individuals experienced a small but significant increase in BMI and waist circumference, but there was no significant difference with controls. The negative-screened group had significantly higher perception of risk of developing diabetes (p = 0.009) than controls, but no differences were observed in perceived personal control, worry, and optimistic bias.
Conclusion:
Screening negative for diabetes did not lead to overt long-term changes in lifestyle, despite a high perception of risk of developing diabetes. (ISRCTN75983009.).
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