Table 1.

Study participants by level of covariates and case-control status

Cases (n = 545)Controls (n = 674)
Age at baseline,* mean (SD)61.09 (7.35)61.20 (7.64)
Weight (kg), mean (SD)79.22 (9.40)77.77 (9.50)
Height (cm), mean (SD)178.76 (6.14)177.95 (6.84)
Smoking,* n (%)
    Current smokers42 (7.71)57 (8.46)
    Former smokers251 (46.06)315 (46.74)
Tumor grade, n (%)
    Gleason ≥7 or poorly differentiated190 (34.86)
    Gleason <7 or well differentiated296 (54.31)
    Unknown59 (10.83)
Stage, n (%)
    Died of prostate cancer117 (21.47)
    Diagnosed with Metastases16 (2.94)
    Whitmore-Jewett stage C or D at initial diagnosis86 (15.78)
    Whitmore-Jewett stage A or B at initial diagnosis277 (50.83)
Unknown49 (8.99)
  • * Matching factor.