Social determinants of health and somatic growth in preterm infants and children with chronic lung disease.

Pediatr Pulmonol

Eudowood Division of Pediatric Respiratory Sciences, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.

Published: December 2024

AI Article Synopsis

  • Bronchopulmonary dysplasia (BPD) is a common condition in premature infants that affects lung function and growth patterns, potentially impacting later respiratory health.
  • A study involving 616 participants looked at how socioenvironmental factors like neighborhood deprivation and food insecurity relate to the growth of these children from birth to 36 months.
  • Results indicated a significant link between the Childhood Opportunity Index (COI) and weight growth, suggesting that living in areas with less opportunity may negatively affect growth outcomes in children with BPD, even after accounting for other health factors.

Article Abstract

Objective: Bronchopulmonary dysplasia (BPD), a common complication of prematurity, is associated with impaired lung function and increased morbidity in childhood. These children display heterogeneous somatic growth patterns which may ultimately impact their risk for later respiratory disease. We aim to understand the relationship between socioenvironmental exposures and growth in this population.

Methods: A retrospective longitudinal cohort study was conducted using participants (n = 616) enrolled in the Johns Hopkins Outpatient BPD Registry. Growth measurements between 0 and 36 months of age were obtained. Somatic growth measurements, both corrected and uncorrected for gestational age, were converted to z-scores using Center for Disease Control and Prevention normative data. Using a participant's residential zip code, we utilized the 2019 Area Deprivation Index (ADI), the Childhood Opportunity Index (COI) 2.0, and neighborhood food insecurity data from the Maryland Food Bank. Linear regression analysis was performed employing individual socioenvironmental measures as independent variables and growth z-scores as dependent variables in univariate analysis. Univariate analysis was repeated adjusting for gestational age, BPD severity, and the presence of a gastrostomy tube (GT).

Results: Of the three measures analyzed, national COI (nCOI) showed a significant association with mean weight z-scores, mean ADI showed some association with mean weight z-scores, and the percentage of a community experiencing food insecurity showed no association with mean weight z-scores. After adjusting for gestational age, BPD severity, and presence of a GT, children living in areas of greater opportunity (higher nCOI values), had significantly lower weight z-scores at 12 months corrected and at 24 and 36 months uncorrected CONCLUSIONS: Our findings suggest that the COI 2.0, a multidimensional measure, captures more facets of an individual's social environment, as compared to the singular nature of a measure of food insecurity. There are several potential explanations for the phenomenon seen, and further understanding of this dynamic is crucial for designing effective interventions and policies to better address inequities in outcomes.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11602348PMC
http://dx.doi.org/10.1002/ppul.27237DOI Listing

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