Journal
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE
Volume 10, Issue 4, Pages 981-+Publisher
ELSEVIER
DOI: 10.1016/j.jaip.2021.10.065
Keywords
Social determinants of health, disparities, status asthmaticus; Social Vulnerability Index; Childhood Opportunity Index; Pediatric intensive care unit; Census tract; Neighborhood; Geocoding
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Funding
- Emory University, United States Pediatrics Research Alliance Junior Faculty Focused Pilot award [K24 NR018866, K23HL151897-01]
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This study examines the association between composite measures of social determinants of health and readmission outcomes in school-age children admitted to a pediatric intensive care unit (PICU) for asthma exacerbations. The findings suggest that higher social vulnerability and lower childhood opportunity are associated with more severe asthma exacerbation outcomes.
BACKGROUND: Social determinants of health are associated with asthma prevalence and healthcare use in children with asthma, but are multifactorial and complex. Whether social determinants similarly influence exacerbation severity is not clear. OBJECTIVE: Composite measures of social determinants of health and readmission outcomes were evaluated in a large regional cohort of 1,403 school-age children admitted to a pediatric intensive care unit (PICU) for asthma. METHODS: Residential addresses were geocoded and spatially joined to census tracts. Composite measures of social vulnerability and childhood opportunity, PICU readmission rates, and hospital length of stay were compared between neighborhood hot spots, where PICU admission rates per 1,000 children are at or above the 90th percentile, versus non-hot spots. RESULTS: A total of 228 children resided within a neighborhood hot spot (16%). Hot spots were associated with a higher (ie, poorer) composite Social Vulnerability Index ranking, reflecting differences in socioeconomic status, household composition and disability, and housing type and transportation. Hot spots also had a lower (ie, poorer) composite Childhood Opportunity Index percentile ranking, reflecting differences in the education, health and environment, and social and economic domains. Higher social vulnerability and lower childhood opportunity were associated with PICU readmission. Residing within a hot spot was further associated with a longer duration of hospital stay, individual inpatient bed days, and total census tract inpatient bed days. CONCLUSIONS: Social determinants of health identified by geospatial analyses are associated with more severe asthma exacerbation outcomes in children. Outpatient strategies that address both biological and social determinants of health are needed to care for and prevent PICU admissions optimally in children with asthma. (C) 2021 American Academy of Allergy, Asthma & Immunology
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