Table 1—

Incidence of type 1 diabetes in children in Philadelphia from 1995 to 1999 according to race and age

Age (years)
Crude rateAdjusted rate*
0–45–910–14
White
    n22412487
    Population48,73644,57742,352135,665
    Rate/100,0009.018.411.312.813.0
    95% CI5.66–13.6813.20–24.957.26–16.8610.27–15.8210.2–15.6
Black
    n143667117
    Population55,63748,20549,843153,685
    Rate/100,0005.014.926.915.215.4
    95% CI2.75–8.4410.46–20.6820.83–34.1312.59–18.2512.6–18.1
Hispanic
    n561021
    Population9,7848,7698,56827,121
    Rate/100,00010.213.723.315.515.6
    95% CI3.31–23.865.02–29.8611.19–52.895.59–23.698.9–22.2
Total
    n4386105234
    Population115,678102,785101,688320,151
    Rate/100,0007.416.720.714.614.8
    95% CI5.38–10.0213.38–20.6716.89–25.0012.81–16.6112.9–16.7
  • *

    * Direct age-adjusted method using the 1990 U.S. population;

  • totals are all races 0–14 years of age.