At 07:19 PM 5/10/2009, moleps islon wrote:
How do I interpret the finding of disapperance of significance after
adding an interaction term ??
logistic infection sex age
...higly significant sex-beta while age is non significant...
gen sex_age=sex*age
logistic infection sex age sex_age
..no sigificant betas...
Not that unusual. See
http://www.nd.edu/~rwilliam/xsoc63993/l53.pdf
Pay close attention to the point made at the bottom of p. 3. As
noted in the handout, centering age is one way to make the results
easier to interpret.
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Richard Williams, Notre Dame Dept of Sociology
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