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Rs2869550 was significantly associated with BMI in the total tobacco user group, but not in the non-tobacco user group. Similar directions of effect were observed between rs2869550 and BMI within the smokers and smokeless users. The P-value of the total tobacco user group was derived from an additive model after adjusting for plasma cotinine levels (Table S3). PCOT adj. = The P value of rs2869950 after adjusting plasma cotinine levels.
