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. 2003 Jan 15;9(1):99–103. doi: 10.3748/wjg.v9.i1.99

Table 2.

Results of univariate analysis for colon cancer (cases n = 84, controls n = 420)

factors OR 95%CI χ2 P
pork eating(y = 1, n = 0) 1.481 0.846 2.593 1.890 0.169
drining mixed water source* (y = 1, n = 0) 2.273 1.255 4.117 7.332 0.007
drining gutter water (y = 1, n = 0) 1.639 0.777 3.457 1.680 0.195
drining well water (y = 1, n = 0) 0.542 0.338 0.870 6.445 0.011
chronic diarrhea history(y = 1, n = 0) 2.018 1.003 4.060 3.871 0.049
constipaton history(y = 1, n = 0) 0.483 0.171 1.363 1.888 0.169
appendicitis history(y = 1, n = 0) 1.697 0.966 2.981 3.386 0.066
appendix operating history(y = 1, n = 0) 1.707 0.873 3.334 2.446 0.118
intestinal polyps history(y = 1, n = 0) 6.503 2.009 21.049 9.762 0.002

*drinking mixed water source refers to the subjects drinking different type of water sources through his/her lifetime, mostly drinking river water and gutter water. So is Table 2, Table 3 and Table 4

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