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CDC: 40% of American Adults Will Develop Diabetes

Aug 23, 2014
 

In Hispanic men and women, and non-Hispanic black women, the projected increased risk is even higher, over 50%….

Researchers from the CDC incorporated data about diabetes incidence from the National Health Interview Survey, and linked data about mortality from 1985 to 2011 for 598,216 adults, into a Markov chain model to estimate remaining lifetime diabetes risk, years spent with and without diagnosed diabetes, and life-years lost due to diabetes in three cohorts: 1985-89, 1990-99, and 2000-11. Diabetes was determined by self-report and was classified as any diabetes, excluding gestational diabetes. They used logistic regression to estimate the incidence of diabetes and Poisson regression to estimate mortality.

On the basis of 2000-11 data, lifetime risk of diagnosed diabetes from age 20 years was 40.2% (95% CI 39.2-41.3) for men and 39.6% (38.6-40·5) for women, representing increases of 20 percentage points and 13 percentage points, respectively, since 1985-89. The highest lifetime risks were in Hispanic men and women, and non-Hispanic black women, for whom lifetime risk now exceeds 50%. The number of life-years lost to diabetes when diagnosed at age 40 years decreased from 7.7 years (95% CI 6.5-9.0) in 1990-99 to 5.8 years (4.6-7.1) in 2000-11 in men, and from 8.7 years (8.4-8.9) to 6.8 years (6.7-7.0) in women over the same period. Because of the increasing diabetes prevalence, the average number of years lost due to diabetes for the population as a whole increased by 46% in men and 44% in women. Years spent with diabetes increased by 156% in men and 70% in women.

The researchers concluded that continued increases in the incidence of diagnosed diabetes combined with declining mortality have led to an acceleration of lifetime risk and more years spent with diabetes, but fewer years lost to the disease for the average individual with diabetes. These findings mean that there will be a continued need for health services and extensive costs to manage the disease, and emphasize the need for effective interventions to reduce incidence.

Practice Pearls:
  • Approximately 40% of American adults will develop diabetes in their lifetime
  • Obesity is the main factor behind the rise of diabetes development
  • Hispanic men and women and non-Hispanic black women have the highest risk of developing diabetes.

Hackethal V. 2 in 5 American Adults will develop diabetes. The Lancet, Diabetes & Endocrinology

http://www.thelancet.com/journals/landia/article/PIIS2213-8587(14)70161-5/fulltext