Prevalence and Management of Adult Obesity in a Large U.S. Academic Health System

Rebecca H. Lumsden, Neha J. Pagidipati, Matthew P. Phelan, Karen Chiswell, Eric D. Peterson

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: Both medication and surgical interventions can be used to treat obesity, yet their use and effectiveness in routine clinical practice are not clear. This study sought to characterize the prevalence and management of patients with obesity within a large U.S. academic medical center. Methods: All patients aged ≥18 years who were seen in a primary care clinic within the Duke Health System between 2013 and 2016 were included. Patients were categorized according to baseline BMI as underweight or normal weight (<25 kg/m2), overweight (25–29.9 kg/m2), Class I obesity (30–34.9 kg/m2), Class II obesity (35–39.9 kg/m2), and Class III obesity (≥40 kg/m2). Baseline characteristics and use of weight loss medication were assessed by BMI category. Predicted change in BMI was modeled over 3 years. All data were analyzed between 2017 and 2018. Results: Of the 173,462 included patients, most were overweight (32%) or obese (40%). Overall, <1% (n=295) of obese patients were prescribed medication for weight loss or underwent bariatric surgery within the 3-year study period. Most patients had no change in BMI class (70%) at 3 years. Conclusions: Despite a high prevalence of obesity within primary care clinics of a large, U.S. academic health center, the use of pharmacologic and surgical therapies was low, and most patients had no weight change over 3 years. This highlights the significant need for improvement in obesity care at a health system level.

Original languageEnglish (US)
Pages (from-to)817-824
Number of pages8
JournalAmerican Journal of Preventive Medicine
Volume58
Issue number6
DOIs
StatePublished - Jun 2020
Externally publishedYes

ASJC Scopus subject areas

  • Epidemiology
  • Public Health, Environmental and Occupational Health

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