ArticleMedical care2025
Perinatal Resources and Wildfire Smoke.
Article in Medical care, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Primary care, weather, and the missed opportunity for savings.Health affairs scholar · 2026Article
- Prevalence and National Trends in Prenatal Wildfire Smoke Exposure Among Live Births.American journal of preventive medicine · 2026Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
backgroundPregnant people and infants are vulnerable to wildfire smoke. However, the availability of perinatal resources in communities impacted by smoke is unknown.
objectiveDescribe perinatal resources in counties prone to wildfire smoke. RESEARCH STUDY
designSmoke data came from the Hazard Mapping System and perinatal resources were gathered from various sources. Choropleth maps described the geographic distribution of smoke. Unadjusted associations and multivariable regressions compared perinatal resource levels by smoke risk. Subgroup analysis of the most rural counties was conducted. SUBJECTS: Counties in the contiguous United States (n=3108) during the 2016-2020 period. MEASURES: Relative smoke risk was defined as the bottom, middle, and top third of the average annual smoke-days distribution. Perinatal resources included driving distance to the nearest maternity care hospital and NICU, the volume and geographic isolation of the nearest maternity care hospital, and county-based measures of OB-GYN and family medicine physicians.
resultsAverage annual smoke-days ranged from 3.8 (SD=2.0) in low-risk to 15.3 (SD=5.5) in high-risk counties. Compared with low-risk counties, high-risk counties had fewer OB-GYNs per 10,000 births (-32.2, 95% CI: -45.7 to -20.6; P<0.001) and were farther to the nearest maternity hospital (10.1 miles, 95% CI: 8.7-11.5; P<0.001). High-risk counties were also farther to the nearest NICU. Associations were not explained by sociodemographics and were observed in the subset of the most rural counties.
conclusionsCommunities prone to wildfire smoke often lack geographic access to the health care resources needed to treat pregnant people and infants in a timely manner.
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