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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Clin Gastroenterol Hepatol. 2009 Jun 26;7(9):1007–1012. doi: 10.1016/j.cgh.2009.06.008

Table 1.

Quantity and percentage of patients in each smoking and drinking category, both databases

CIRF UMPCR
Number % Number %
Current Smoker 5597 26.1 208 25.4
Past Smoker 6595 30.8 237 28.9
Never Smoker 9256 43.2 375 45.7
Total 21,448 820
Current Drinker 5318 27.6 332 40.5
Past Drinker 2158 11.2 83 10.1
Never Drinker 11,764 61.1 405 49.4
Total 19,240 820