Progress in Pediatric Asthma Surveillance II: Geospatial Patterns of Asthma in Alameda County, California
2006

Geospatial Patterns of Asthma in Alameda County, California

Sample size: 135380 publication Evidence: moderate

Author Information

Author(s): English Paul B, Roberts Eric M, Wong Michelle, Wolff Craig, Valdez Samuel, Van den Eeden Stephen K, Ray G. Thomas

Primary Institution: California Department of Health Services, Environmental Health Investigations Branch

Hypothesis

The study aimed to develop high-resolution asthma surveillance techniques responsive to local health care needs.

Conclusion

The study provided a detailed depiction of pediatric asthma disparities, highlighting areas with high emergency department visit rates and related environmental hazards.

Supporting Evidence

  • High-poverty communities had higher rates of emergency department visits due to asthma than low-poverty communities.
  • Geospatial analysis detected areas with elevated emergency department visit rates and potential environmental hazards.
  • Areas not previously considered to have high asthma burdens were identified as having significant emergency department visit rates.

Takeaway

This study looked at asthma in kids and found that poorer neighborhoods have more emergency room visits for asthma, showing that where you live can affect your health.

Methodology

The study analyzed health care use records from 2001, covering 1.7 million person-months among children under 18 in Alameda County, using geospatial analysis and Monte Carlo simulations.

Potential Biases

The nonrandom nature of the sample may introduce bias in the representation of asthma prevalence.

Limitations

The study used a nonrandom sample, which limits generalization to the county level and comparison with external populations.

Participant Demographics

The study included children under 18 years from diverse socioeconomic and ethnic backgrounds in Alameda County.

Statistical Information

Statistical Significance

p<0.05

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