Weight Loss After Bariatric Surgery: Do Clinical and Behavioral Factors Explain Racial Differences?

Obesity Surgery
Christina C WeeMary B Hamel

Abstract

Prior studies have suggested less weight loss among African American compared to Caucasian patients; however, few studies have been able to simultaneously account for baseline differences in other demographic, clinical, or behavioral factors. We interviewed patients at two weight loss surgery (WLS) centers and conducted chart reviews before and after WLS. We compared weight loss post-WLS by race/ethnicity and examined baseline demographic, clinical (BMI, comorbidities, quality of life), and behavioral (eating behavior, physical activity level, alcohol intake) factors that might explain observed racial differences in weight loss at 1 and 2 years after WLS. Of 537 participants who underwent either Roux-en-Y Gastric Bypass (54%) or gastric banding (46%), 85% completed 1-year follow-up and 73% completed 2-year follow-up. Patients lost a mean of 33.00% of initial weight at year 1 and 32.43% at year 2 after bypass and 16.07% and 17.56 % respectively after banding. After adjustment for other demographic characteristics and type of surgery, African Americans lost an absolute 5.93 ± 1.49% less weight than Caucasian patients after bypass (p < 0.001) and 4.72 ± 1.96% less weight after banding. Of the other demographic, clinical, behaviora...Continue Reading

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Citations

Sep 19, 2019·Journal of the Endocrine Society·Dylan D ThomasCaroline M Apovian
May 22, 2018·Frontiers in Endocrinology·Jürgen Harreiter, Alexandra Kautzky-Willer
Feb 24, 2019·Obesity Surgery·Christina C WeeDaniel B Jones
Jul 15, 2021·Surgery for Obesity and Related Diseases : Official Journal of the American Society for Bariatric Surgery·Jasmine ZhaoKamran Samakar

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