Table 1.

Baseline characteristics and risk of pancreatic cancer

Cases (n = 256)Person-yearsIncidence rateaHRb (95% CI)Pc
Age (mean ± SD), y
 <6074 (28.9%)215,40734.41.0<0.0001
 60 to <6591 (35.6%)199,97945.51.4 (1.0–1.8)
 ≥6591 (35.6%)147,91061.51.9 (1.4–2.6)
BMI (mean ± SD)
 <25123 (48.0%)271,77445.31.00.35
 25 to <3078 (30.5%)191,67540.70.9 (0.7–1.2)
 ≥3055 (21.5%)99,84755.11.1 (1.0–1.2)
Race
 White250 (99.6%)552,86945.21.00.52
 Others1 (0.4%)4,45722.40.5 (0.1–3.7)
Education
 Less than High school47 (18.4%)101,63546.21.00.81
 High school106 (41.4%)239,37644.31.0 (0.7–1.4)
 Greater than High school103 (40.2%)222,28546.31.0 (0.7–1.5)
Cigarette smoking
 Never smoker161 (63.9%)377,58642.61.00.001
 Former smoker40 (15.9%)103,94738.51.0 (0.7–1.4)
 Current smoker51 (20.2%)74,27168.71.9 (1.4–2.5)
Alcohol intake
 No136 (53.1%)309,94443.91.00.36
 Yes120 (48.9%)253,35247.4(0.9–1.4)
Physical activity
 Low130 (51.0%)259,28450.11.00.17
 Moderate64 (25.1%)154,38941.50.8 (0.6–1.1)
 High61 (23.4%)141,05943.20.9 (0.6–1.2)
History of diabetes
 No232 (91.3%)531,88943.61.00.007
 Yes22 (8.7%)27,66779.51.9 (1.2–3.0)
  • aPer 100,000 person-years.

  • bAge-adjusted HR and 95% CI.

  • cWald χ2 test.