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Achieving consensus on the language of obesity: a modified Delphi study
Cecilie Heerdegen Jepsen1, Jacqueline Bowman-Busato2, Thomas Allvin3
1Novo Nordisk A/S, Søborg, Denmark.
Eclinicalmedicine
|August 9, 2023
Summary
This study highlights the need for consistent language when discussing obesity as a chronic disease. Expert consensus revealed agreement on obesity's complex nature but not on its definition or treatment goals.
Area of Science:
- Medical Science
- Public Health
- Chronic Disease Management
Background:
- Obesity is recognized by the World Health Organization as a chronic disease.
- Standardized language is crucial for effective communication regarding chronic diseases.
- Current terminology for obesity may not align with established chronic disease discourse.
Purpose of the Study:
- To map the current language used to discuss obesity.
- To compare obesity-related language with standard chronic disease terminology.
- To identify discrepancies and potential inadequacies in obesity discourse.
Main Methods:
- A modified Delphi study involving 24 international stakeholders (patients, healthcare professionals, policymakers, researchers, industry, payers).
- Two rounds of qualitative surveys were conducted between October 20-30, 2020.
- Consensus was defined as agreement by at least 70% of participants on specific statements regarding obesity.
Main Results:
- Consensus was reached on 28 out of 38 statements.
- Participants agreed on statements acknowledging the heterogeneous nature of obesity.
- Disagreement occurred on defining obesity by BMI, attributing primary causes to psychological/physical factors, or stating weight loss as the sole treatment aim.
Conclusions:
- Expert consensus provides insight into appropriate language for describing obesity as a chronic disease.
- This study lays the groundwork for a unified and accurate language for obesity.
- Emphasizes a nuanced understanding of obesity beyond simplistic definitions or treatment goals.
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