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The association between cotton and prevalence of rural childhood asthma

Brian J Kingston1, Michael L Parchman

  • 1Department of Family Medicine, Texas Tech University Health Sciences Center at Amarillo, USA. briank@cortex.ama.ttuhsc.edu

Texas Medicine
|April 5, 2003
PubMed

Insights

This study found no link between cotton production and childhood asthma rates in rural areas. However, asthma prevalence was significantly higher in West Texas fifth graders than national averages.

Area of Science:

  • Environmental Health
  • Pediatric Epidemiology
  • Public Health

Background:

  • Asthma is the most common chronic disease in US children.
  • Rural communities, particularly cotton-producing regions, suspect a link between cotton production and increased asthma prevalence.
  • Existing beliefs warrant scientific investigation into environmental factors affecting childhood asthma.

Purpose of the Study:

  • To investigate the association between cotton production and childhood asthma prevalence in rural areas.
  • To compare asthma rates in children from cotton-producing regions versus non-cotton-producing regions.
  • To assess the actual prevalence of asthma in specific rural populations compared to national data.

Main Methods:

  • A case-control study design was employed.
  • Data collected from children in rural cotton-producing and non-cotton-producing areas.
  • Statistical analysis to compare asthma prevalence between groups and against national benchmarks.

Main Results:

  • No statistically significant evidence was found to support the hypothesis that cotton production increases childhood asthma prevalence (P = .12).
  • A significantly higher prevalence of asthma was observed in fifth graders from rural West Texas compared to Centers for Disease Control and Prevention (CDC) predictions (P < .0001).

Conclusions:

  • Cotton production is not associated with increased childhood asthma prevalence in the studied rural populations.
  • Rural West Texas exhibits a higher-than-expected burden of childhood asthma, necessitating further investigation into local risk factors.
  • Public health strategies may need to address localized asthma triggers beyond agricultural practices.

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