Table 1.

Demographic, anthropometric, and health-related characteristics of prostate cancer cases and controls, the PCPT

Cases (n = 1,936)Controls (n = 8,322)P*
Age (y)
     ± SD63.7 ± 5.662.6 ± 5.4<0.0001
    <60 (n, %)525 (27.1)2,798 (33.6)<0.0001
    60-64602 (31.1)2,699 (32.4)
    65-69487 (25.2)1,826 (22.0)
    70+322 (16.6)999 (12.0)
Race (n, %)
    White1,803 (93.1)7,767 (93.3)0.0003
    African American86 (4.5)253 (3.1)
    Other47 (2.4)302 (3.6)
Family history of prostate cancer (n, %)
    Yes410 (21.2)1304 (15.7)<0.0001
Smoking (n, %)
    Nonsmoker692 (35.7)2,859 (34.4)0.52
    Former smoker1,117 (57.7)4,897 (58.9)
    Current smoker127 (6.6)561 (6.8)
Diabetes (n, %)
    Yes92 (4.8)589 (7.1)0.0002
Finasteride (n, %)
    Yes782 (40.4)4,213 (50.6)<0.0001
Height (in.)
     ± SD70.0 ± 2.969.9 ± 2.80.20
Weight (lbs.)
     ± SD191.9 ± 29.6192.7 ± 30.70.34
Waist (cm)
     ± SD102.1 ± 10.1102.3 ± 10.40.30
Hips (cm)
     ± SD104.3 ± 7.9104.5 ± 8.10.28
Thigh (cm)
     ± SD56.4 ± 5.656.5 ± 5.60.35
BMI (kg/m2)
     ± SD27.6 ± 4.127.7 ± 4.10.11
    <25 (%)27.125.10.34
    25-2722.423.2
    27-2927.928.3
    ≥3022.623.4
Waist/hip ratio
     ± SD0.98 ± 0.050.98 ± 0.050.78
Waist/thigh ratio
     ± SD1.82 ± 0.181.82 ± 0.190.89
Histologic grade (n, %)
    Low (Gleason sum: 2-6)1,300 (67.1)
    High (Gleason sum: ≥7)521 (26.9)
    Unknown115 (5.9)
Clinical stage (n, %)
    T1a272 (14.0)
    T1b126 (6.5)
    T1c991 (51.2)
    T2a275 (14.2)
    T2b108 (5.6)
    T2c73 (3.8)
    T332 (1.6)
    T40
    Unknown59 (3.1)
  • * P of χ2 test for categorical variables or of t test for continuous variables.