Table 1.

Study characteristics of 4,086 cases and 3,698 controls by maternal race/ethnicity

African AmericansAsian AmericansEuropean AmericansLatinosNative Hawaiians
Cases (n = 1,004)Controls (n = 1,003)Cases (n = 1,009)Controls (n = 999)Cases (n = 836)Controls (n = 825)Cases (n = 1,099)Controls (n = 739)Cases (n = 138)Controls (n = 132)
Age, mean (SD)69.46 (7.24)70.13 (7.84)71.43 (7.38)71.32 (8.24)69.23 (7.56)70.47 (8.43)69.16 (6.58)68.50 (7.21)68.91 (6.67)68.85 (7.13)
Family history of prostate cancer, n (%)118 (13.32)110 (12.32)94 (10.27)46 (4.83)106 (14.52)70 (9.27)110 (11.12)39 (5.57)13 (10.4)7 (5.6)
Disease aggressivenessa
 Aggressive, n (%)300 (32.93)462 (48.84)299 (37.90)331 (32.42)64 (49.23)
 Nonaggressive, n (%)611 (67.07)484 (51.16)490 (62.10)690 (67.58)66 (50.77)
  • aCases were classified as “aggressive” when the Gleason score was 7 or higher or cancer stage was advanced or higher, “nonaggressive” when Gleason score was less than 7 and cancer stage was localized and either well or moderately differentiated.