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. 2009 Jan 23;117(5):751–756. doi: 10.1289/ehp.0800046

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Multivariable-adjusted ORs for ST–T abnormality and changes in T amplitude (μV) in lead V3 (95% CI) per 10-μg/m³ increase in lag_0–2 PM_2.5, by exam site. We based estimates on Bayesian hierarchical regression models adjusted for demographic, clinical, and weather variables: age; race/ethnicity; education; BMI; current smoking status; history of CHD, diabetes, hypertension, SBP, chronic lung disease, or hypercholesterolemia; season; day of week; time of day; temperature; dew point; and pressure.