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Published on: September 5, 2017
Area-based socio-economic disadvantage and tuberculosis incidence
E Oren1, T Koepsell, B G Leroux
1Department of Epidemiology, University of Washington, Seattle, Washington, USA. eoren@uw.edu
Summary
Neighborhood socioeconomic status significantly impacts tuberculosis (TB) incidence. Lower socioeconomic areas experience substantially higher TB rates, highlighting the need for targeted public health interventions.
Area of Science:
- Public Health
- Epidemiology
- Sociomedical Sciences
Background:
- Tuberculosis (TB) incidence is influenced by various factors.
- Understanding neighborhood-level determinants is crucial for effective public health strategies.
- Socioeconomic position (SEP) is a known correlate of health outcomes.
Purpose of the Study:
- To investigate the association between neighborhood socioeconomic factors and tuberculosis incidence.
- To analyze multilevel population-based data on TB cases in Washington State.
- To explore area-specific influences on TB rates.
Main Methods:
- Utilized data on all incident TB cases in Washington State (2000-2008).
- Employed multivariate Poisson regression analysis at the ZIP Code Tabulation Area (ZCTA) level.
- Adjusted for individual and area-level demographic factors including race, ethnicity, and country of birth.
Main Results:
- A significant inverse relationship was observed between ZCTA socioeconomic status and TB incidence.
- Lower socioeconomic quartiles showed markedly higher TB incidence rates compared to the wealthiest quartile.
- Area-level race, ethnicity, and foreign birth attenuated the socioeconomic association but remained significant.
Conclusions:
- Area-level socioeconomic status is a strong predictor of TB incidence in Washington State.
- Neighborhood context plays a vital role in TB disparities.
- Public health interventions should prioritize low-SES neighborhoods for TB prevention efforts.
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