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. Author manuscript; available in PMC: 2014 Mar 21.
Published in final edited form as: Cancer Causes Control. 2012 Dec 7;24(2):217–231. doi: 10.1007/s10552-012-0110-z

Figure 2.

Figure 2

Figure 2

Figure 2

a to c, random-effects estimates and 95% CIs of gastric cancer odds ratio (OR) associated with (A) education (highest vs. lowest level), (B) cigarette smoking (smokers vs. nonsmokers) and (C) alcohol use (drinkers vs. nondrinkers). Study-specific RRs are shown as squares, with the size of the symbol inversely proportional to the study-specific variance. Summary ORs are shown as diamonds, with the middle corresponding to the point estimate and the width representing the 95% CI.