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Table 5 Odds Ratios (OR) and 95% confidence intervals (CI) for pancreatic cancer (PanCA) associated with passive exposure to cigarette smoke, San Francisco Bay Area, California.

From: Cigarette, cigar and pipe smoking, passive smoke exposure, and risk of pancreatic cancer: a population-based study in the San Francisco Bay Area

   PanCAa Controlsa  
   n (%) n (%) OR (95% CI)b
Childhood household exposurec     
  Never 230 (43) 758 (45) 1.0 (Ref.)
  Ever 301 (57) 940 (55) 0.99 (0.80 - 1.2)
Adulthood household exposurec     
  Never 239 (45) 888 (52) 1.0 (Ref.)
  Ever 293 (55) 813 (48) 1.2 (0.96 - 1.5)
Adulthood workplace exposurec     
  Never 232 (45) 827 (48) 1.0 (Ref.)
  Ever 293 (55) 874 (45) 1.1 (0.86 - 1.3)
  1. a The number of participants may vary because of missing data
  2. b Adjusted for: age, education, race, smoking status (never, former, current), ethnicity, diabetes, pancreatitis, gallbladder disease, alcohol intake and BMI adjusted
  3. c Exposure environments are not mutually exclusive (i.e. participants could have been exposed in multiple environments)