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Chlamydia screening coverage estimates derived using healthcare effectiveness data and information system procedures
Jennifer M Broad1, Lisa E Manhart, Roxanne P Kerani
1University of Washington, Seattle, WA, USA.
Sexually Transmitted Diseases
|March 15, 2013
Summary
Chlamydia screening coverage among young women in Washington State was high in 2009. Healthcare Effectiveness Data and Information System (HEDIS) methods may underestimate actual screening rates for chlamydia control programs.
Area of Science:
- Public Health
- Epidemiology
- Health Services Research
Background:
- Screening coverage is critical for the success of chlamydial infection control programs.
- Accurate estimation of screening coverage is essential for program evaluation.
Purpose of the Study:
- To compare various methods for estimating chlamydial screening coverage.
- To assess screening coverage among women aged 15 to 25 years in Washington State in 2009.
Main Methods:
- Comparison of nine different chlamydia screening coverage estimates.
- Utilized Healthcare Effectiveness Data and Information System (HEDIS) procedures and National Survey of Family Growth (NSFG) data.
- Employed direct, indirect, and direct-indirect estimation methods using various data sources.
Main Results:
- Healthcare Effectiveness Data and Information System (HEDIS) and NSFG data provided similar estimates for the sexually active population (60% vs. 61%).
- HEDIS-based screening coverage estimates varied: 43.6% for users versus 34.2% for all enrollees.
- Indirect estimates ranged from 46.4% to 68.7%, with a direct-indirect estimate at 57.6%.
Conclusions:
- The majority of sexually active young women in Washington State were screened for chlamydia in 2009.
- Healthcare Effectiveness Data and Information System (HEDIS) methods might underestimate true screening coverage.
- Health departments can utilize data from large laboratories to calculate population-based screening coverage estimates.
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