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April 1, 2026Indoor AirOpen Access

Indoor Air Nicotine, Nitrogen Dioxide Exposure, and COVID‐19 Outcomes in a Great Plains Tribal Community

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Authors

ATAnna K. TilleryRORae O’LearyNPNora Pisanic

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Overview

Assesses indoor pollution's impact on COVID-19 outcomes in a tribal community, suggesting a need for targeted interventions.

Key Points

  • The aim is to evaluate indoor air pollution and its effects on COVID-19 outcomes in multigenerational households of the CRST.
  • Recruited 290 multigenerational households from the Cheyenne River Sioux Tribe.
  • Utilized passive air monitors to measure indoor air nicotine and nitrogen dioxide for one week.
  • Collected saliva samples for COVID-19 serological testing along with responses to a questionnaire.
  • 40.1% of households had detectable air nicotine, with a geometric mean concentration of 0.052 μg/m³.
  • Detected NO2 had a geometric mean concentration of 10.5 ppb.
  • Households exposed to air nicotine had 1.21 times higher odds of previous COVID-19 infection.
  • Exposure to nitrogen dioxide was linked to 3.69 times higher odds of self-reported long COVID-19.

Cite This Study

Tillery et al. (2026) studied this question.

synapsesocial.com/papers/69cd7b575652765b073a952chttps://doi.org/10.1155/ina/7749725
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