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Table 3 The effects of THMs (Total 551) and covariates on risk of rectal cancer

From: Case control study of the geographic variability of exposure to disinfectant byproducts and risk for rectal cancer

Variable OR 95% Confidence Interval p
Alcohol (1000 oz./month) 1.64 (1.09 – 2.47) 0.018
Betacarotene (10,000 IU/month) 0.58 (0.43 – 0.78) <0.001
Total Calories (10,000/month) 1.18 (1.02–1.36) 0.022
Tap water (liters) 1.05 (0.67–1.84) 0.831
Total 551 estimate (ug/l) 1.01 (0.98–1.03) 0.518
Total 551 consumption (ug/day) 1.01 (0.99–1.03) 0.330