Table 2.

Age-adjusted incidence rates of invasive breast cancer by nativity in non-Hispanic white and Hispanic women, California, 1988 to 2004: incidence of breast cancer per 100,000 person-years, age standardized to the 2000 U.S. population, with 95% CIs

Race/ethnicityCases (n)Rate (95% CI)Rate ratio* (95% CI)
Non-Hispanic white212,087125.7 (125.1-126.2)
Hispanic35,13478.3 (77.4-79.1)
    Foreign-born18,03368.2 (67.2-69.3)Reference
    U.S.-born17,10193.8 (92.4-95.3)1.38 (1.35-1.41)
Stage at diagnosis
    Localized
        Foreign-born9,01035.7 (35.0-36.5)Reference
        U.S.-born9,34052.0 (50.9-53.1)1.45 (1.41-1.50)
    Regional/Distant
        Foreign-born8,07728.8 (28.1-29.5)Reference
        U.S.-born6,94437.0 (36.1-37.9)1.29 (1.24-1.33)
    Unknown
        Foreign-born9463.7 (3.4-4.0)Reference
        U.S.-born8174.8 (4.5-5.2)1.30 (1.18-1.44)
  • *Ratio of the incidence rate in U.S.-born to the incidence rate in foreign-born.

  • Non-Hispanic white population was 142,863,244.

  • Foreign-born Hispanic population was 34,259,869; U.S.-born Hispanic population was 45,755,983.