Table 1

Characteristics of the U.S. population ≥30 years old with and without diagnosed diabetes

CharacteristicsDiagnosed diabetes
(n = 2,827)No diagnosed diabetes
(n = 29,413)
Mean age (years)64.1 (63.4–64.9)52.8* (52.5–53.2)
Female sex54.1 (51.1–57.0)55.2 (54.3–56.0)
Nonwhite21.2 (18.7–23.7)15.8* (14.8–16.8)
Family income less than 125% of federal poverty line23.4 (21.2–25.5)15.0* (14.3–15.7)
Less than high school education11.9 (10.3–13.5)5.1* (4.7–5.5)
Uninsured6.3 (5.2–7.4)11.5* (10.9–12.0)
History of cardiovascular disease29.6 (26.8–32.4)11.2* (10.6–11.8)
Mean age at diagnosis (years)54.8 (54.0–55.5)
Mean time since diagnosis of diabetes (years)9.4 (8.9–9.9)
Patients diagnosed by age range (years)
 30–4423.8
 45–5427.9
 55–6426.4
 ≥6521.8
Mean annual medical spending, USD†13,966 (12,892–15,040)5,543* (5,332–5,755)
Mean annual medical spending by years since diagnosis, USD†
 ≤5 years11,425 (10,108–12,742)
 6–15 years14,404 (12,910–15,898)
 ≥16 years18,827 (15,184–22,471)
  • Data are percentages unless otherwise indicated. 95% CIs are presented in parentheses. *Significantly different (P < 0.01) compared with people with diabetes. †U.S. dollars at 2012 value. Medical Expenditure Panel Survey weights were used to calculate the estimates. The values here were calculated from linked data from the 2005–2008 National Health Interview Survey and the 2006–2009 Medical Expenditure Panel Survey.