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Lung Function, Dietary Intake, and Weight Status in Children with Persistent Asthma from Low-Income, Urban Communities

1
Weight Control and Diabetes Research Center, The Miriam Hospital, Providence, RI 02903, USA
2
Department of Psychiatry and Human Behavior, Brown University Alpert School of Medicine, Providence, RI 02903, USA
3
Bradley/Hasbro Children’s Research Center, Brown University Medical School, Providence, RI 02903, USA
*
Author to whom correspondence should be addressed.
Nutrients 2019, 11(12), 2943; https://doi.org/10.3390/nu11122943
Received: 10 October 2019 / Revised: 21 November 2019 / Accepted: 27 November 2019 / Published: 3 December 2019
Objective: Asthma and obesity are prevalent chronic childhood diseases that commonly co-occur in youth from low-income, minority backgrounds. Diet is a known risk factor for obesity; however, its role in asthma/obesity comorbidity is not well established. This analysis examined the association between diet and lung function and effect modification by weight status. Methods: Lung function (FEV1 % predicted), anthropometric, and dietary data were collected from 95 children, ages 7–9 years old with persistent asthma, from low-income, urban communities in the United States. Associations between lung function, diet and weight status were examined using multivariable linear regression. Results: There were no significant differences in dietary intake between children with persistent asthma with and without obesity; however, >85% of participants did not meet recommendations for fruit, vegetable, and whole grain intake for their age and sex. Only intake of fruit (whole fruit and juice) was significantly associated with FEV1 % predicted (−3.36; 95% CI: −6.5 to −0.2). Conclusions: Diet quality was poor in this sample, independent of weight status. More research is needed to understand the relationship between diet, lung function, and weight status, so that interventions can be developed to concurrently address obesity and weight.
Keywords: asthma; diet; lung function; obesity; overweight; children asthma; diet; lung function; obesity; overweight; children
MDPI and ACS Style

Evans, E.W.; Koinis-Mitchell, D.; Kopel, S.J.; Jelalian, E. Lung Function, Dietary Intake, and Weight Status in Children with Persistent Asthma from Low-Income, Urban Communities. Nutrients 2019, 11, 2943.

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