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. Author manuscript; available in PMC: 2012 Apr 25.
Published in final edited form as: J Stat Softw. 2011 Aug;43(11):v43/i11/paper. doi: 10.18637/jss.v043.i11
Estimate Std. Error z value Pr(>|z|)
(Intercept) −5.96210 0.02572 −231.769 < 2e-16 ***
factor(Age)1 0.59538 0.03118 19.097 < 2e-16 ***
factor(Age)2 0.68796 0.03671 18.738 < 2e-16 ***
Sex −1.00412 0.02879 −34.878 < 2e-16 ***
Race 0.28303 0.04238 6.678 2.42e-11 ***