Table 2.

Characteristics of female colorectal adenoma cases by adenoma size; Minnesota Cancer Prevention Research Unit Case-Control Study, 1991-1994

CharacteristicSmall (<10 mm; n = 124), mean (SE)*Large (≥10 mm; n = 63), mean (SE)
Age categories (y), %
    30-3957.04.8
    40-4915.317.5
    50-5930.731.8
    60+48.446.0
Smoking status, %
    Current smoker16.931.8
    Ex-smoker34.731.8
    Never smoker48.436.5
Drinking status, %
    Current drinker74.261.9
    Ex-drinker16.933.3
    Not drinker8.94.8
Positive family history of colon cancer, %20.221.0
Positive family history of polyps (%)31.531.8
Ever use PMH, %42.330.2
Duration of PMH use, y6.0 (1.1)4.1 (1.1)
Ever use oral contraceptive, %50.849.2
Duration of oral contraceptive use, y4.2 (0.5)4.7 (0.8)
Noninduced menstrual period in last year, %15.319.1
BMI (kg/m2), %
    <25.045.544.4
    25.0-<30.032.230.2
    ≥30.022.325.4
  • * Mean and SE unless otherwise indicated.

  • BMI categories based on WHO cutoff points.