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Fig. 1 | Environmental Health

Fig. 1

From: Associations between perfluoroalkyl substances and serum lipids in a Swedish adult population with contaminated drinking water

Fig. 1

Smooth spline of ln-transformed total cholesterol with 95% confidence bands, in Ronneby, Sweden. Legends: a ln-transformed PFOS b ln-transformed PFHxS c ln-transformed PFOA and d ln-transformed a molar-weight adjusted sum of PFOS, PFHxS and PFOA. The smooth spline function was adjusted by age, sex and BMI in quartiles. The points on the graph are the original data with black squares are the ones from the control group, the red circles are the ones from the non-recent or uncertain group and the green triangles are the ones from the recently exposed group

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