Table 3.

Family migration history and breast cancer risk in Hispanic women, by menopausal status

Premenopausal women
Postmenopausal women
Cases (n = 376)Controls (n = 482)Age-adjusted OR (95% CI)Cases (n = 615)Controls (n = 803)Age-adjusted OR (95% CI)
Generation
    Third or higher101751.01331021.0
    Second73680.80 (0.51-1.24)1881750.82 (0.59-1.14)
    First2003360.45 (0.32-0.64)2895220.42 (0.32-0.57)
Ptrend < 0.01Ptrend < 0.01
Birthplace of subject, birthplace of parents
    United States, 2 United States101751.01331021.0
    United States, 1 United States50331.11 (0.65-1.90)70700.78 (0.50-1.17)
    United States, 2 foreign23330.52 (0.28-0.96)1171040.86 (0.59-1.26)
    Foreign, 1-2 United States6120.35 (0.13-0.98)22230.73 (0.39-1.39)
    Foreign, 2 foreign1943240.45 (0.32-0.64)2644980.41 (0.30-0.55)
Birthplace of subject, birthplace of grandparents
    United States, 3-4 United States40321.094511.0
    United States, 1-2 United States51311.32 (0.69-2.52)62450.75 (0.45-1.26)
    United States, 4 foreign55540.79 (0.43-1.43)1321350.53 (0.35-0.80)
    Foreign, 1-4 United States21180.95 (0.43-2.08)47510.50 (0.30-0.85)
    Foreign, 4 foreign1743140.44 (0.27-0.73)2284600.27 (0.19-0.39)
Birthplace of subject, birthplace of grandparents, type of residence before migration, years of U.S. residence*
    Foreign, 4 foreign, rural, <20 y20610.27 (0.14-0.54)14460.17 (0.09-0.34)
    Foreign, 4 foreign, mixed, <20 y25560.38 (0.19-0.74)18500.20 (0.11-0.38)
    Foreign, 4 foreign, urban, <20 y39700.46 (0.25-0.86)18530.19 (0.10-0.36)
    Foreign, 4 foreign, rural, ≥20 y26380.53 (0.27-1.07)52840.34 (0.21-0.56)
    Foreign, 4 foreign, mixed, ≥20 y11180.46 (0.19-1.12)37780.26 (0.16-0.45)
    Foreign, 4 foreign, urban, ≥20 y41390.83 (0.44-1.59)681110.34 (0.22-0.54)
    Foreign, <4 foreign17131.11 (0.46-2.63)39450.48 (0.28-0.84)
    United States, 4 foreign51510.79 (0.43-1.46)1251160.60 (0.39-0.92)
    United States, 1-2 United States50301.36 (0.71-2.63)59420.78 (0.46-1.32)
    United States, 3-4 United States38311.090501.0
  • * Excludes women with multiple moves between United States and foreign countries.