Table 3

Obesity related factors and risk of symptomatic gastroesophageal reflux
Variables Cases Controls Unadjusted OR 95% CI Adjusted ORa 95% CI
BMI (kg/m2)
<24.0 66 3363 1.0 (ref) 1.0 (ref)
24.0-27.9 65 3251 1.0 (0.7-1.4) 1.0 (0.7-1.4)
≥28.0 19 1287 0.8 (0.5-1.3) 0.7 (04.-1.2)
Waistb (cm)
Low 116 6021 1.0 (ref) 1.0 (ref)
High 34 1879 0.9 (0.6-1.4) 0.9 (0.6-1.3)
WHRc
Low 106 5915 1.0 (ref) 1.0 (ref)
High 44 1985 1.2 (0.9-1.8) 1.1 (0.8-1.6)

BMI: body mass index (weight[kg]/height2[m]); WHR: wasit-to-hip ratio; OR, odds ratio; CI, confidence interval.

aIn the multivariate logistic regression model adjustments were made for age, sex, education, occupation, tobacco smoking, alcohol drinking, tea drinking, history of diabetes mellitus, hypertension, gastritis or peptic ulcer, and serum TG.

bLow: Male<92cm and female<88cm; High: Male≥92cm and female≥88cm.

cLow: Male<0.95 and female<0.89; High: Male≥0.95 and female≥0.89.

Chen et al.

Chen et al. BMC Gastroenterology 2012 12:161   doi:10.1186/1471-230X-12-161

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