Computational and Mathematical Methods in Medicine / 2017 / Article / Fig 3

Research Article

Estimating and Interpreting Effects from Nonlinear Exposure-Response Curves in Occupational Cohorts Using Truncated Power Basis Expansions and Penalized Splines

Figure 3

Estimated ln(HR) and corresponding pointwise 95% confidence intervals using linear spline (a) and cubic spline (b) basis functions with knots at quartiles of the case exposures (k1 = 3.0, k2 = 5.5, and k3 = 8.3).

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