Class III Obesity as a Risk Factor for Persistent Asthma.
Yonsu Kim1, Sheniz Moonie2, Ji Won Yoo3
1Department of Healthcare Administration and Policy, School of Public Health, University of Nevada, Las Vegas, Nevada. yonsu.kim@unlv.edu.
Respiratory Care
|August 6, 2024
Summary
Obesity increases the likelihood of developing persistent asthma, especially severe forms. Class III obesity poses a significant risk, highlighting the need for integrated public health and clinical interventions for individuals with both conditions.
Area of Science:
- Pulmonary Medicine
- Obesity Medicine
- Epidemiology
Background:
- Asthma burden remains high, with increasing obesity rates in the US.
- Obesity, an inflammatory condition, may exacerbate asthma severity.
- This study investigates obesity's impact on persistent asthma across different categories.
Purpose of the Study:
- To examine if the association between obesity and asthma differs by obesity class (I, II, III) and asthma persistence (mild, moderate, severe).
- To test the hypothesis that higher Body Mass Index (BMI) correlates with a higher likelihood of persistent asthma diagnosis.
Main Methods:
- Retrospective, cross-sectional study of 1,977 adult asthma patients hospitalized in Nevada (2016-2021).
- Evaluated Body Mass Index (BMI) as the primary exposure and persistent asthma as the outcome.
- Utilized logistic regression to quantify the association between obesity and persistent asthma.
Main Results:
- Obese individuals were more likely to have persistent asthma (OR 1.50).
- Class III obesity (BMI ≥ 40) was associated with higher odds of mild (OR 2.21) and severe (OR 1.74) persistent asthma compared to non-obese individuals.
Conclusions:
- Obesity, particularly Class III, is a significant risk factor for persistent asthma.
- This association suggests increased healthcare utilization and economic burden.
- Public health and clinical strategies are crucial for managing comorbid asthma and obesity.
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