Weight cycling and the risk of developing type 2 diabetes among adult women in the United States

Alison E. Field, Jo Ann E. Manson, Nan Laird, David F. Williamson, Walter C. Willett, Graham A. Colditz

Research output: Contribution to journalArticle

71 Scopus citations

Abstract

Objective: To assess the role of weight cycling independent of BMI and weight change in predicting the risk of developing type 2 diabetes. Research Methods and Procedures: A six-year follow-up of 46,634 young and middle-aged women in the Nurses' Health Study II was conducted. Women who had intentionally lost ≥20 lbs at least three times between 1989 and 1993 were classified as severe weight cyclers. Women who had intentionally lost ≥ 10 lbs at least three times were classified as mild weight cyclers. The outcome was physician-diagnosed type 2 diabetes. Results: Between 1989 and 1993, ∼20% of the women were mild weight cyclers, and 1.6% were severe weight cyclers. BMI in 1993 was positively associated with weight-cycling status (p < 0.001). During 6 years of follow-up (1993 to 1999), 418 incident cases of type 2 diabetes were documented. BMI in 1993 had a strong association with the risk of developing diabetes. Compared with women with a BMI between 17 and 22 kg/m 2, those with a BMI between 25 and 29.9 kg/m2 were approximately seven times more likely to develop diabetes, and those with a BMI ≥35 kg/m2 were 63 times more likely to be diagnosed with type 2 diabetes. After adjustment for BMI, neither mild (relative risk = 1.11, 95% confidence interval, 0.89 to 1.37) nor severe (relative risk = 1.39, 95% confidence interval, 0.90 to 2.13) weight cycling predicted risk of diabetes. Discussion: Weight cycling was strongly associated with BMI, but it was not independently predictive of developing type 2 diabetes.

Original languageEnglish
Pages (from-to)267-274
Number of pages8
JournalObesity research
Volume12
Issue number2
DOIs
StatePublished - Jan 1 2004
Externally publishedYes

Keywords

  • BMI
  • Diabetes
  • Epidemiology
  • Weight cycling
  • Women

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