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From | Meng Zhao <mrzm_www@yahoo.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | st: conflicting results on interaction effect |
Date | Wed, 21 Jul 2010 15:49:35 -0700 (PDT) |
Hello, I run a binomial logistic regression with an interaction variable: Coef. P>z x 6.958805 0.026 z 5.11967 0.000 x*z -7.490387 0.034 x is a continuous variable, z is a dummy variable. Does this result indicate a sig. positive relationship between x and dependent variable when z is 0, and a negative relationship between x and DV when z is 1? The plot of this interaction shows that there is a positive relationship between x and DV for both situations (z=1 & z=0). Why this conflicts with the above result? Thanks. Simon * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/