Association between Empirical Bayesian Kriging (EBK) interpolated ambient PM_2.5 exposure class and physical inactivity by body weight subset, logistic regression model.

Model A unadjusted.

Model B adjusted for age, sex, race/ethnicity, education, annual income, marital status, seasonality and geographic region.

Model C adjusted for age, sex, race/ethnicity, education, annual income, marital status, seasonality, geographic region, general health status, smoking, disability, asthma, urbanization, and the other two air pollutants.

*Wald Chi-square p-value <0.0001 for all three models.