Fig. 1From: Is the cholesterol-perfluoroalkyl substance association confounded by dietary fiber intake?: a Bayesian analysis of NHANES data with adjustment for measurement error in fiber intakeDirected acyclic graph showing relationships between fiber, PFAS, and cholesterol. Grey arrows indicate the direction of the association, specifically, fiber has an inverse relationship with PFAS concentration and cholesterol levels, while PFAS concentration has a positive correlation with cholesterol levelsBack to article page