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Table 1 Descriptive characteristics and odds ratios of pancreatic cancer cases and hospital controls – Roswell Park Cancer Institute, Buffalo, NY 1982–1996.

From: Regular use of aspirin and pancreatic cancer risk

  Cases (n = 194) Controls (n = 582) OR1 (95% CI)
Age2 62.02 62.07 1.00 (0.98, 1.02)
Education3,5    
   Up to High School 51 (26.4) 139 (24.0) 1.00
   High School 67 (34.7) 182 (32.4) 0.89 (0.55, 1.42)
   Some College 34 (17.6) 127 (21.9) 0.72 (0.42, 1.22)
   College Graduate 41 (21.2) 132 (22.8) 0.92 (0.54, 1.56)
Cigarette Smoking (pack-years)3,4    
   None 65 (34.0) 246 (43.6) 1.00
   ≤ 13.5 15 (7.9) 79 (14.0) 0.84 (0.44, 1.59)
   14–30 44 (23.0) 83 (14.7) 2.12 (1.30, 3.48)
   30.5–52.5 38 (19.9) 76 (13.5) 2.17 (1.32, 3.59)
   ≤ 53 29 (15.2) 80 (14.2) 1.41 (0.82, 2.43)
Family history of pancreatic cancer3    
   No 183 (94.3) 570 (97.9) 1.00
   Yes 11 (5.7) 12 (2.1) 2.65 (1.09, 6.45)
Race3,5    
   Caucasian 144 (96.6) 494 (94.5) 1.00
   African-American 4 (2.7) 26 (5.0) 2.38 (0.23, 24.28)
   Other 1 (0.7) 3 (0.6) 0.44 (0.04, 5.53)
Sex3    
   Female 88 (45.4) 264 (45.4) 1.00
   Male 106 (54.6) 318 (54.6) 0.95 (0.65, 1.38)
Body-Mass Index3,6    
   ≤ 23 46 (24.7) 144 (25.4) 1.00
   23–25.6 32 (17.2) 143 (25.3) 0.68 (0.39, 1.17)
   25.7–27.9 52 (28.0) 139 (24.6) 1.20 (0.73, 1.98)
   ≥ 28 56 (30.1) 140 (24.7) 1.27 (0.78, 2.05)
  1. 1. odds ratios reported for model including age, education, cigarette smoking, relative with pancreatic cancer, race, sex and body mass index 2. mean 3. n (%) 4. quartiles based on control distribution after excluding never smokers 5. kg/m2 6. quartiles based on control distribution