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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Int J Hyg Environ Health. 2019 May 15;222(5):778–789. doi: 10.1016/j.ijheh.2019.05.002

Figure 3.

Figure 3.

Cluster means of the 15 standardized log-transformed urinary metals using k-means in the SWAN data. Y-axis (cluster means) represents the mean standardized natural log-transformed urinary creatinine adjusted metal concentrations. Cluster 1: “high” overall metal exposure pattern; cluster 2: “low” overall metal exposure pattern. As: arsenic, Ba: barium, Cd: cadmium, Co: cobalt, Cs: cesium, Cu: copper, Hg: mercury, Mn: manganese, Mo: molybdenum, Ni: nickel, Pb: lead, Sb: antimony, Sn: tin, Tl: thallium, Zn: zinc.