Fig. 4From: An overview of methods to address distinct research questions on environmental mixtures: an application to persistent organic pollutants and leukocyte telomere lengthVariable weights from the WQS index. Barplot shows weights assigned to each congener. Model adjusted for age, age2, sex, race/ethnicity, educational attainment, BMI, serum cotinine, and blood cell count and distribution. The color scheme represents the groupings from the original [2] paper. The dashed line at 0.06 indicates the cut-point for identifying potentially toxic agentsBack to article page