Table 6.

Logistic Regression Analysis for LES Status on BMI Group, Age, Sex and Hiatal Hernia Adjusted for Parameters in the Model

Parameter	Adjusted OR	95% CI	Adjusted p value
BMI group
Obese vs. normal	2.115	1.632, 2.747	<0.0001
Overweight vs. normal	1.687	1.320, 2.161	<0.0001
Underweight vs. normal	0.238	0.037, 0.880	0.0620
Age: per year increase	1.004	0.996, 1.011	0.3211
Sex: male vs. female	1.021	0.831, 1.254	0.8418
Hiatal hernia: present vs. absent	2.359	1.926, 2.894	<0.0001

Number of cases in model, 1,659 (776 defective valve; 883 normal valve). R ², 0.0942