BACKGROUND: There is increasing concern about the obesity epidemic in the United States. Obesity is a potential risk factor for a number of chronic diseases, including gastroesophageal reflux disease (GERD). This analysis examined whether body mass index (BMI) was associated with physician-diagnosed GERD in World Trade Center (WTC) general responders. METHODS: 19,819 WTC general responders were included in the study. Cox proportional hazards regression models were used to compare time to GERD diagnosis among three BMI groups (normal (<25 kg/m(2) ), overweight (≥25 and <30 kg/m(2) ), and obese (≥30 kg/m(2) )). RESULTS: Among the responders, 43% were overweight and 42% were obese. The hazard ratio for normal versus overweight was 0.81 (95% Confidence Interval (CI), 0.75-0.88); normal versus obese 0.71 (95%CI, 0.66, 0.77); and overweight versus obese 0.88 (95%CI, 0.83-0.92). CONCLUSION: GERD diagnoses rates were higher in overweight and obese WTC responders. Am. J. Ind. Med. 59:761-766, 2016.
BACKGROUND: There is increasing concern about the obesity epidemic in the United States. Obesity is a potential risk factor for a number of chronic diseases, including gastroesophageal reflux disease (GERD). This analysis examined whether body mass index (BMI) was associated with physician-diagnosed GERD in World Trade Center (WTC) general responders. METHODS: 19,819 WTC general responders were included in the study. Cox proportional hazards regression models were used to compare time to GERD diagnosis among three BMI groups (normal (<25 kg/m(2) ), overweight (≥25 and <30 kg/m(2) ), and obese (≥30 kg/m(2) )). RESULTS: Among the responders, 43% were overweight and 42% were obese. The hazard ratio for normal versus overweight was 0.81 (95% Confidence Interval (CI), 0.75-0.88); normal versus obese 0.71 (95%CI, 0.66, 0.77); and overweight versus obese 0.88 (95%CI, 0.83-0.92). CONCLUSION: GERD diagnoses rates were higher in overweight and obese WTC responders. Am. J. Ind. Med. 59:761-766, 2016.
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