Table 1.

Mean Age at Diagnosis for Persons With Type 2 Diabetes Mellitus From NHANES III (1988–1994) and NHANES 1999–2000

PopulationNHANES III (1988–1994)NHANES 1999–2000
NHANES = National Health and Nutrition Examination Survey.
*P <.05 for difference in self-reported mean age at diagnosis of type 2 diabetes mellitus between NHANES III (1988–1994) and NHANES 1999–2000, for total population, and for each race/ethnicity stratum.
Population estimate, n8,475,76611,633,166
Mean age at diagnosis, y52.0446.01*
Standard error, mean y0.541.27
Population estimate, n6,280,3246,947,442
Mean age at diagnosis, y53.1746.43*
Standard error, mean y0.661.90
Population estimate, n1,248,1692,036,006
Mean age at diagnosis, y48.4645.20*
Standard error, mean y0.891.52
Population estimate, n724,4671,930,094
Mean age at diagnosis, y50.3245.08*
Standard error, mean y1.501.61