Table 1—

Demographic characteristics of elderly and nonelderly adults with and without diabetes, NHANES 1999–2002

Middle aged (40–64 years)
Elderly (≥65 years)
No diabetesDiabetesNo diabetesMiddle age–onset diabetesElderly onset diabetesP value*
n3,3913742,344272193
Mean age (years)49.9 ± 0.253.3 ± 0.474.3 ± 0.271.7 ± 0.676.5 ± 0.6<0.0001
Male sex47.9 ± 0.957.2 ± 2.942.0 ± 1.043.6 ± 4.941.9 ± 5.20.821
Race/ethnicity
    Non-Hispanic white75.8 ± 1.754.1 ± 5.584.4 ± 2.270.9 ± 3.979.9 ± 4.00.0659
    Non-Hispanic black10.2 ± 1.317.5 ± 3.66.6 ± 1.115.6 ± 3.87.8 ± 2.20.0013
    Mexican American5.0 ± 0.88.3 ± 1.62.3 ± 0.54.7 ± 1.33.3 ± 0.90.0275
Education
    Greater than high school57.5 ± 1.646.7 ± 3.540.4 ± 1.527.9 ± 3.223.0 ± 5.70.0311
    High school or equivalent23.9 ± 1.223.0 ± 2.528.4 ± 1.229.2 ± 4.431.1 ± 5.20.1725
    Less than high school18.6 ± 1.030.3 ± 3.331.2 ± 1.742.9 ± 3.445.8 ± 4.80.0365
Mean BMI (kg/m2)28.4 ± 0.232.3 ± 0.627.4 ± 0.130.6 ± 0.529.4 ± 0.70.136
Mean waist circumference (cm)97.2 ± 0.5108.3 ± 1.497.9 ± 0.3106.4 ± 1.3104.4 ± 1.30.271
  • Data are % ± SE unless otherwise indicated.

  • *

    * P value for the comparison between elderly middle age–and elderly onset diabetes groups.

  • Prevalence for “all other” race/ethnicity category not shown.