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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: Med Decis Making. 2014 Nov 12;35(6):784–796. doi: 10.1177/0272989X14559055
Estimate Std. Error z value Pr(>|z|)
(Intercept) 70.407817 7.656245 9.196 < 2e-16
AgeCat>=60 0.981491 0.072491 13.539 < 2e-16
AgeCat30-39 0.149785 0.045355 3.302 0.000958
AgeCat40-49 0.397113 0.043958 9.034 < 2e-16
AgeCat50-59 0.669555 0.050792 13.182 < 2e-16
year -0.034443 0.003822 -9.012 < 2e-16