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. 2014 Jan 22;122(4):351–355. doi: 10.1289/ehp.1306816

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Temporal trend for adjusted GM urinary concentrations (μg/L) of 2,5-DCP (A) and 2,4-DCP (B). Adjusted GMs were estimated using the regression equation with the intercept and regression coefficient for a given level of the categorical variable specified, and multiplying the β coefficient for all other categorical covariates by their estimated weighted percentage distribution. Error bars represent 95% CIs.