About one-fourth of new asthma cases in children with obesity is directly attributable to obesity, which is a major preventable risk factor for pediatric asthma, according to a new study. The PEDSnet clinical data research network was used to conduct a retrospective cohort study to compare asthma incidence among overweight and/or obese vs healthy weight children aged 2‒17 years. Researchers found:
- Data from 507,496 children and 19,581,972 encounters were included.
- Mean participant observation period was 4 years.
- An estimated 23-27% of new asthma cases in children with obesity is directly attributable to obesity.
- The adjusted risk for incident asthma was increased among children who were overweight (relative risk [RR], 1.17) and obese (RR, 1.26).
- The adjusted risk for spirometry-confirmed asthma was increased in children with obesity (RR, 1.29).
Lang JE, Bunnell T, Hossain J, et al. Being overweight or obese and the development of asthma. [Published online ahead of print November 30, 2018]. Pediatrics. doi:10.1542/peds.2018-2119.
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