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Re: st: Multinomial Logistic - ordinal variables and Odds Ratios


From   Richard Williams <[email protected]>
To   [email protected], "[email protected]" <[email protected]>
Subject   Re: st: Multinomial Logistic - ordinal variables and Odds Ratios
Date   Thu, 14 Nov 2013 23:57:12 -0500

At 09:33 PM 11/14/2013, Imogen Jones wrote:
Hi Everybody

I was hoping somebody could shed some light on the differences between using an ordinal and nominal variable in multinomial logistic regression in Stata.

I understand the processes are different, but I?m more concerned about the model fitting. My interpretation of Hosmer and Lemeshow (2000) was that there isn?t a reliable test to estimate model fit. Is this still correct?

Also, when using an ordinal variable as a dependent variable in multinomial logistic, are there any assumptions specific to this analysis that need to be met or parameter estimates that may vary from binary logistic?

Another question ? Stata only seems to produce a coefficient or relative risk ratio for multinomial logistic. Is there a specific reason why it won?t produce an odds ratio or is it just not a function of Stata? I assumed it was the former since Stata is so comprehensive it probably wouldn?t leave something like that out.

See http://www.stata.com/statalist/archive/2005-04/msg00678.html for a discussion of the rrr vs or terminology.


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Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
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