Association between body mass index (BMI)3-150 levels at three different time points in life and severity of reflux symptoms3-151 analysed in continuous form among 135 individuals with reflux symptoms
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↵3-150 Body mass index was calculated as body weight divided by the square of body height in metres (kg/m2).
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↵3-151 Severity of gastro-oesophageal reflux was defined according to a reflux score The score included symptom characteristics (heartburn only, 1 point; regurgitation only, 1 point; heartburn and regurgitation combined, 1.5 points), nightly symptoms (yes, 2 points), and symptom frequency (once a week, 0 points; 2–6 times/week, 1 point; 7–16 times/week, 2 points; >16 times/week, 3 points).
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3-152 Adjustments were made for age, sex, tobacco smoking, alcohol use, meal sizes, and physical activity.
