Prevalence & Incidence of Diabetes in the United States | NDEI Slides

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  • This study assessed whether there have been periods of acceleration or deceleration in the rates of diabetes prevalence and incidence in the United States over the past three decades.
    • N=664,969 subjects aged 20 to 79 years with type 1 or type 2 diabetes
  • From 1980-2012, the trends in age-adjusted prevalence and incidence of diagnosed diabetes were similar
    • The annual percentage change for neither prevalence nor incidence changed significantly during the 1980s
    • Both prevalence and incidence increased sharply during the period from 1990 through 2008, then leveled off with no significant change from 2008 through 2012
      • The prevalence per 100 persons was 3.5 (95% CI, 2.3-3.9) in 1990, 7.9 (95% CI, 7.4-8.3) in 2008, and 8.3 (95% CI, 7.9-8.7) in 2012
      • The incidence per 100 persons was 3.2 (95% CI, 2.2-4.1) in 1990, 8.8 (95% CI, 7.4-10.3) in 2008, and 7.1 (95% CI, 6.1-8.2) in 2012
  • Increasing adiposity is a major factor contributing to increasing diabetes incidence
    • Adjusting for BMI reduced the incidence of diabetes from 1997-2008
      • The annual percentage incidence of diabetes for this period controlling for age was 4.8% (95%CI, 3.4%-6.2%)
      • Controlling for both age and BMI reduced the incidence by about a third to 3.2% (95% CI, 2.0%-4.4%; P=0.06)

Geiss LS, Wang J, Cheng YJ, et al. Prevalence and incidence trends for diagnosed diabetes among adults aged 20 to 79 years, United States, 1980-2012. JAMA. 2014;312(12):1218-1226.

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November 2014

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