Local Health Departments' Characteristics and Their Performance Scores in PHAB Accreditation Standards

Local health departments (LHDs) function to promote and protect population health by executing programs and activities through the 10 essential public health (PH) services in their operationalization of the core functions of PH systems-assessment, policy development, and assurance. PH accreditation supports LHDs by assessing their ability to promote community well-being through a set of standards and measures based on the 10 essential PH services. Prior studies show variation in LHD characteristics relative to their likelihood of participating in accreditation, but no studies have examined the variation in LHD accreditation scores to understand how LHD characteristics relate to performance improvement.

This work examines variation in LHD accreditation scores relative to their organizational and jurisdiction characteristics.

Cross-sectional data were obtained from 250 LHDs from 38 states that underwent Public Health Accreditation Board (PHAB) accreditation review.

We used exploratory cluster analysis to identify and group LHDs with similar performance scores in PHAB accreditation standards. Descriptive analyses were undertaken to characterize each LHD cluster group's organizational structure, jurisdiction characteristics, and core PH function activity levels. We then employed multivariate regression analysis to confirm the cluster analysis results.

The analysis showed 3 clusters of PHAB accreditation performance scores (cluster 1 = 0.95; cluster 2 = 0.87; and cluster 3 = 0.71). Subtle differences in organizational and jurisdiction characteristics across clusters, notably in population size of the jurisdictions served, were observed. LHDs in cluster 3 tended to have jurisdictions with less than 250000 population size and serve more than 1 county.

Performance scores in PHAB accreditation can be a useful standardized metric for assessing LHD ability to promote community well-being. LHDs serving less than 20000 population size, which exhibit relatively lower performance than other LHDs, may require more targeted supports to close the gap in their performance score.