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Background <p>Asthma and obesity are two of the most common pediatric conditions in the USA that are comorbid and exacerbate one another. This study examined whether asthma management self-efficacy—perceived ability to control asthma—mediates the relationship between obesity and asthma outcomes, including pulmonary function, perception of respiratory compromise, and emergency department visits.</p> Methods <p>In total, 303 children ages 10–17 were recruited from clinics in the Bronx. Participants were on average 13.20&#xa0;years old (SD = 2.22), 53.8% male, 62.7% Latino, and 47.2% Black. The study consisted of a baseline visit with spirometry testing to assess pulmonary function and questionnaires to evaluate demographics, healthcare utilization, and self-efficacy. Participants were also assigned peak flow monitors to measure perception of respiratory compromise, which were utilized at home twice daily for 4&#xa0;weeks.</p> Results <p>Obesity was associated with worse pulmonary function (<i>β</i> =  − 3.83, <i>p</i> = 0.03). Asthma management self-efficacy was associated with more accurate perception (<i>β</i> = 5.14,<i> p</i> = 0.03). Obesity was not associated with self-efficacy, accurate perception, or emergency department visits. Asthma management self-efficacy did not mediate the relationship between obesity and asthma outcomes, nor was it associated with pulmonary function or emergency visits.</p> Conclusions <p>This study confirms the association between obesity and worse pulmonary function in Black and Latino children. The link between higher asthma management self-efficacy and more accurate perception of respiratory compromise independent of obesity status suggests a modifiable target for intervention irrespective of body habitus.</p>

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Self-efficacy as a Mediator of the Relationships Between Obesity and Asthma Outcomes in Black and Latino Children

  • 期刊论文

  • 发表日期：

    2025年8月4日

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  • Natalie Fruchter,
  • Deepa Rastogi,
  • Simeon Dicker,
  • Jonathan M. Feldman

摘要

Background

Asthma and obesity are two of the most common pediatric conditions in the USA that are comorbid and exacerbate one another. This study examined whether asthma management self-efficacy—perceived ability to control asthma—mediates the relationship between obesity and asthma outcomes, including pulmonary function, perception of respiratory compromise, and emergency department visits.

Methods

In total, 303 children ages 10–17 were recruited from clinics in the Bronx. Participants were on average 13.20 years old (SD = 2.22), 53.8% male, 62.7% Latino, and 47.2% Black. The study consisted of a baseline visit with spirometry testing to assess pulmonary function and questionnaires to evaluate demographics, healthcare utilization, and self-efficacy. Participants were also assigned peak flow monitors to measure perception of respiratory compromise, which were utilized at home twice daily for 4 weeks.

Results

Obesity was associated with worse pulmonary function (β =  − 3.83, p = 0.03). Asthma management self-efficacy was associated with more accurate perception (β = 5.14, p = 0.03). Obesity was not associated with self-efficacy, accurate perception, or emergency department visits. Asthma management self-efficacy did not mediate the relationship between obesity and asthma outcomes, nor was it associated with pulmonary function or emergency visits.

Conclusions

This study confirms the association between obesity and worse pulmonary function in Black and Latino children. The link between higher asthma management self-efficacy and more accurate perception of respiratory compromise independent of obesity status suggests a modifiable target for intervention irrespective of body habitus.