Monitoring county-level chlamydia incidence in Texas, 2004 – 2005: application of empirical Bayesian smoothing and Exploratory Spatial Data Analysis (ESDA) methods
2009

Monitoring Chlamydia Rates in Texas

Sample size: 254 publication Evidence: moderate

Author Information

Author(s): Kwame Owusu-Edusei Jr, Chantelle J Owens

Primary Institution: Centers for Disease Control and Prevention

Hypothesis

The study aims to apply Bayesian smoothing and exploratory spatial data analysis methods to monitor chlamydia incidence rates in Texas counties.

Conclusion

The study found that Bayesian smoothing and ESDA methods can help identify outliers and changes in chlamydia incidence in specific geographic areas.

Supporting Evidence

  • Chlamydia is the most prevalent reportable disease in the United States.
  • Erath county had significantly higher smoothed rates than its contiguous neighbors.
  • Gaines county experienced the highest relative increase in smoothed rates.

Takeaway

This study looked at chlamydia rates in Texas and found that some counties had much higher rates than others, which can help health officials target their efforts.

Methodology

The study used county-level data from the National Electronic Telecommunications System for Surveillance (NETSS) and applied Bayesian smoothing and ESDA methods to analyze chlamydia incidence rates.

Potential Biases

The study may not account for spatial effects from neighboring states, which could influence the results.

Limitations

The study's reliance on surveillance data, which may not capture all cases due to asymptomatic infections, and the potential overestimation of spatial dependence.

Participant Demographics

Data included all ages, genders, and races from Texas counties.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1476-072X-8-12

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