Table 1

Distribution of demographic factors among pancreatic cancer cases and controls in the CPS II and PLCO cohorts

CPS II cohortPLCO cohort
Cases (n=170)Controls (n=170)Cases (n=191)Controls (n=201)
NoPer centNoPer centp Value*NoPer centNoPer centp Value*
Age (years)†73.75.773.75.70.9563.
BMI (kg/m2)
Smoking status
 Never smoker7242.47845.90.618242.910853.70.0033
 Former smoker9052.98751.28041.98240.8
 Current smoker84.752.92915.2115.5
Alcohol consumption
 Never drink4023.53218.80.0394222.05326.30.63
 <1 standard drink per day6236.58550.09147.69044.8
 ≥1 standard drink per day4124.12917.13518.33818.9
  • *p Values were based on t-test or χ2 test (two-sided).

  • †Mean and SD instead of N and percentage were reported for age.

  • BMI, body mass index; CPS, Cancer Prevention Study; PLCO, prostate, lung, colorectal and ovarian cancer.