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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: J Multivar Anal. 2009 Oct 1;100(9):2018–2030. doi: 10.1016/j.jmva.2009.03.013
Variable DF Parameter Estimate Standard Error Chi-Square Pr > ChiSq
AB 1 0.39759 1.23355 0.1039 0.7472
AC 1 −14.30314 2107 0.0000 0.9946
BC 1 0.59060 1.22714 0.2316 0.6303
ABC 1 2.22155 0.80450 7.6253 0.0058
age 1 0.02262 0.04821 0.2201 0.6390