Inflammatory Bowel Diseases

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Inflammatory Bowel Diseases:
doi: 10.1002/ibd.21585
Original Article

Prevalence and epidemiology of overweight and obesity in children with inflammatory bowel disease12

Long, Millie D. MD, MPH1,2; Crandall, Wallace V. MD3; Leibowitz, Ian H. MD4; Duffy, Lynn MD4; del Rosario, Fernando MD5; Kim, Sandra C. MD2,6; Integlia, Mark J. MD7; Berman, James MD8; Grunow, John MD9; Colletti, Richard B. MD10; Schoen, Bess T. MD11; Patel, Ashish S. MD12; Baron, Howard MD13; Israel, Esther MD14; Russell, George MD14; Ali, Sabina MD15; Herfarth, Hans H. MD1,2; Martin, Christopher MSPH1,2; Kappelman, Michael D. MD, MPH2,6; on behalf of the ImproveCareNow Collaborative for Pediatric IBD

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Background:: Obesity is a significant public health threat to children in the United States. The aims were to: 1) Determine the prevalence of obesity in a multicenter cohort of children with inflammatory bowel disease (IBD); 2) Evaluate whether overweight and obese status is associated with patient demographics or disease characteristics.

Methods:: We used data from the ImproveCareNow Collaborative for pediatric IBD, a multicenter registry of children with IBD, collected between April 2007 and December 2009. Children ages 2–18 years were classified into body mass index (BMI) percentiles. Bivariate analyses and multivariate logistic regression were used to compare demographic and disease characteristics by overweight (BMI >85%) and obese (BMI >95%) status.

Results:: The population consisted of 1598 children with IBD. The prevalence of overweight/obese status in pediatric IBD is 23.6%, (20.0% for Crohn's disease [CD] and 30.1% for ulcerative colitis [UC] and indeterminate colitis [IC]). African American race (odds ratio [OR] 1.64, 95% confidence interval [CI] 1.10–2.48) and Medicaid insurance (OR 1.67, 95% CI 1.19–2.34) were positively associated with overweight/obese status. Prior IBD‐related surgery (OR 1.73, 95% CI 1.07–2.82) was also associated with overweight and obese status in children with CD. Other disease characteristics were not associated with overweight and obesity in children with IBD.

Conclusions:: Approximately one in five children with CD and one in three with UC are overweight or obese. Rates of obesity in UC are comparable to the general population. Obese IBD patients may have a more severe disease course, as indicated by increased need for surgery. Sociodemographic risk factors for obesity in the IBD population are similar to those in the general population. (Inflamm Bowel Dis 2010;)

© Crohn's & Colitis Foundation of America, Inc.

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