Table 2.

Demographic and lifestyle characteristics at time of enrollment among participants with incident colon and rectal cancer and individuals without cancer in EPIC

Characteristic*Incident colon cancer cases (n = 1,094)
Incident rectal cancer cases (n = 599)
Individuals without incident colon or rectal cancer (n = 411,351)
Males (n = 417)Females (n = 677)Males (n = 293)Females (n = 306)Males (n = 127,050)Females (n = 284,301)
Age (mean ± SD), y57.8 ± 8.457.6 ± 8.857.4 ± 10.856.3 ± 10.052.6 ± 10.151.1 ± 10.2
BMI (mean ± SD), kg/m227.5 ± 5.326.6 ± 5.526.7 ± 6.326.1 ± 6.426.4 ± 4.525.7 ± 4.5
Waist hip ratio (mean ± SD)0.95 ± 0.080.82 ± 0.090.96 ± 0.120.82 ± 0.110.94 ± 0.070.80 ± 0.11
Dietary intake (mean ± SE)
    Energy intake, kcal2,404.8 ± 31.52,018.8 ± 20.52,470.3 ± 37.61,985.5 ± 29.22,486.6 ± 1.92,005.6 ± 1.0
    Total red meat, g65.1 ± 2.446.8 ± 1.270.0 ± 2.649.1 ± 2.062.2 ± 0.142.1 ± 0.07
    Total fish/shellfish, g41.6 ± 1.833.2 ± 1.143.1 ± 2.031.3 ± 1.639.5 ± 0.132.8 ± 0.05
    Fruits and vegetables, g385.6 ± 12.8478.1 ± 10.0364.4 ± 13.4439.6 ± 13.3443.7 ± 0.9505.8 ± 0.5
    Fiber, g21.6 ± 0.421.4 ± 0.321.2 ± 0.420.5 ± 0.423.6 ± 0.0322.0 ± 0.01
    Alcohol intake, g24.0 ± 1.310.1 ± 0.629.3 ± 1.69.0 ± 0.722.4 ± 0.078.8 ± 0.02
Smoking status, %
    Never smoker24.558.123.253.930.658.2
    Ex-smoker48.223.345.421.238.122.3
    Current smoker26.616.731.124.530.417.9
Education, %
    None4.63.34.441.64.24.7
    Primary school completed34.826.732.432.727.021.5
    Technical/professional school22.819.523.227.824.319.9
    Secondary school13.026.010.617.314.725.4
    University degree21.619.126.314.127.123.8
Occupational activity, %
    Nonworker38.152.436.951.323.039.1
    Sedentary29.718.530.717.036.524.8
    Standing15.620.217.818.620.226.4
    Manual/heavy manual15.16.913.710.119.17.1
Household activity (mean ± SD), MET-h/wk34.4 ± 43.567.3 ± 46.036.4 ± 52.763.2 ± 49.130.0 ± 39.967.0 ± 40.6
Recreational activity (mean, SD), MET-h/wk28.9 ± 29.526.1 ± 31.331.2 ± 39.532.0 ± 36.830.7 ± 27.328.8 ± 27.8
  • * All mean values were adjusted for age and center.