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. Author manuscript; available in PMC: 2010 Sep 22.
Published in final edited form as: Circulation. 2009 Sep 8;120(12):1056–1064. doi: 10.1161/CIRCULATIONAHA.108.827121

FIGURE 1.

FIGURE 1

Nonlinear association between patella bone lead concentration and the log of Hazard Ratio (logHR) for all-cause, cardiovascular, and ischemic heart disease adjusted for age, education, smoking status, and packyears of smoking among participants without ischemic heart disease or stroke at baseline. The reference logHR=0 at the mean of patella lead concentration. The estimates are indicated by the solid line and the 95% pointwise confidence intervals by the dashed lines. The p-values for significance of the non-linear component for all-cause, cardiovascular, and ischemic heart disease mortality were 0.42, 0.80, and 0.10, respectively. Patella lead concentrations of all individual participants are indicated by short vertical lines on the abscissa.