ArticleBMJ open2025
Residing in a low-income-low-food-access neighbourhood and asthma in early and middle childhood in the Environmental influences on Child Health Outcomes (ECHO) program: a multisite cohort study.
Article in BMJ open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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30 authors.
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Abstract
importanceAccess to healthy and affordable foods may play a role in reducing inflammation and in healthy pulmonary immune system development.
objectiveTo investigate the association between residing in a low-income and low-food-access (LILA) neighbourhood and risk of childhood asthma. A positive association was hypothesised. DESIGN, SETTING AND
participantsThis prospective cohort study consists of 16 012 children from 35 longitudinal studies in the Environmental influences on Child Health Outcomes programme (children born 1998-2021) from across the contiguous USA. We conducted survival analyses adjusted for child sex, race/ethnicity, maternal education, gestational smoking, and parental history of asthma. EXPOSURES: Several commonly used geospatial food access metrics were linked to residential locations including: LILA census tracts where the nearest supermarket is >1 mile in urban and >10 miles in rural areas (LILA MAIN OUTCOMESS AND MEASURES: Asthma incidence in cumulative early and middle childhood.
resultsResiding in a LILA CONCLUSION AND RELEVANCE: Limited residential food access was associated with higher childhood asthma incidence, especially among female and Hispanic children and those with lower maternal education. Our findings support multipronged efforts to increase access to healthy and affordable food options and lower food insecurity in LILA neighbourhoods.
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