Table 1.

Characteristics of prostate cancer patients and control subjects in EPIC

CharacteristicCasesControlsP
N630630
Anthropometry: mean (SD)
    Height (cm)172.2 (6.7)172.5 (7.0)0.43
    Weight (kg)79.3 (11.2)80.6 (12.2)0.05
    BMI (kg/m2)26.7 (3.5)27.1 (3.6)0.09
Smoking, n (%)*
    Never197 (31.5)168 (27.0)
    Former282 (45.0)281 (45.2)
    Current147 (23.5)173 (27.8)0.11
Alcohol consumption, n (%)*
    <8 g/d223 (35.5)223 (35.5)
    8-15 g/d121 (19.3)134 (21.3)
    16-39 g/d169 (26.9)155 (24.7)
    ≥40 g/d115 (18.3)116 (18.5)0.74
Physical activity, n (%)*
    Inactive124 (20.0)107 (17.3)
    Moderately inactive218 (35.1)199 (32.1)
    Moderately active/active279 (44.9)314 (50.6)0.12
Marital status, n (%)*
    Married or cohabiting391 (87.5)396 (89.2)
    Not married or cohabiting56 (12.5)48 (10.8)0.43
Education, n (%)*
    Less than secondary school232 (38.7)231 (39.0)
    Secondary school215 (35.8)224 (37.8)
    University degree153 (25.5)137 (23.1)0.60
Serum peptides (nmol/L): Geometric mean (95% CI)
    IGF-I22.0 (21.3-22.7)21.2 (20.5-21.9)0.08
    IGFBP-3129.9 (127.7-132.2)128.6 (126.4-130.9)0.38
  • * Denotes that the factor is unknown for some men—these men are excluded from the calculations of percentages and P values.

  • To convert to ng/mL, divide by 0.1307 for IGF-I and 0.035 for IGFBP-3.