Table 1

 Characteristics of patients and controls

Patients, n (%)Controls, n (%)
Prostate cancerBPH
BPH, benign prostatic hyperplasia.
Number606402471
Age group, years
    ⩽5591 (15)18 (4.5)30 (6.4)
    56–60112 (18.5)61 (15.2)69 (14.6)
    61–65131 (21.6)82 (20.4)108 (22.9)
    66–70155 (25.6)94 (23.4)128 (27.2)
    ⩾71117 (19.3)147 (36.6)136 (28.9)
Father with prostate cancer
    No500 (87.3)361 (93.5)428 (93.7)
    Yes73 (12.7)25 (6.5)29 (6.3)
Brother with prostate cancer
    No374 (88.6)252 (90.3)320 (93.6)
    Yes48 (11.4)27 (9.7)22 (6.4)
Residential status
    Urban area449 (74.5)287 (71.9)330 (70.8)
    Rural area154 (25.5)112 (28.2)136 (29.2)
Country of birth
    Australia337 (62.5)226 (59.8)289 (64.2)
    UK138 (22.9)90 (23.8)93 (20.7)
    Others88 (14.6)62 (16.4)68 (15.1)