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Asthma Risk Associated with Indoor Mold Contamination in Hispanic Communities in Eastern Coachella Valley, California

Ryan Sinclair1, Charity Russell1, Genevieve Kray1

  • 1Environmental Microbiology Research Laboratory, Loma Linda University School of Public Health, B2E Evans Hall: 24785 Stewart Street, Loma Linda, CA 92354, USA.

Journal of Environmental and Public Health
|November 10, 2018
PubMed

Insights

Indoor mold contamination is linked to higher asthma rates in low-income Hispanic communities in California. Homes in Mecca and Coachella City show significantly elevated mold levels (ERMI) and asthma prevalence compared to US averages.

Area of Science:

  • Environmental Health
  • Epidemiology
  • Public Health

Background:

  • Indoor mold exposure is a known risk factor for asthma and respiratory conditions.
  • Low-income, Hispanic communities often face disproportionate environmental health burdens.

Purpose of the Study:

  • To investigate the association between indoor mold contamination and asthma/respiratory illness prevalence.
  • To assess mold levels using the Environmental Relative Moldiness Index (ERMI) in two specific communities.

Main Methods:

  • A questionnaire was used to identify asthma and respiratory illness cases.
  • House dust samples were analyzed to quantify mold levels using the ERMI scale.
  • Data were collected from low-income Hispanic communities in the Eastern Coachella Valley, California.

Main Results:

  • Asthma/respiratory illness prevalence was 11% in adults and 17% in children.
  • Average ERMI values in Mecca (10.3) and Coachella City (6.0) are in the top 25% for US homes.
  • Overall average ERMI was 9.0, with 12.8% asthma prevalence, exceeding US averages.

Conclusions:

  • Homes in Mecca and Coachella City exhibit high mold contamination levels.
  • Elevated mold levels are associated with increased asthma and respiratory illness risk in these communities.
  • Findings highlight a significant public health issue requiring targeted interventions.

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