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From |
Richard Williams <richardwilliams.ndu@gmail.com> |

To |
statalist@hsphsun2.harvard.edu, statalist@hsphsun2.harvard.edu |

Subject |
Re: st: compare regression coefficients between 2 groups (SUEST) across time and across subgroups in a data set |

Date |
Tue, 02 Aug 2011 12:46:24 -0500 |

At 10:55 AM 8/2/2011, Roland Teitzer wrote:

We would like to find out wheather the regression coefficients we get from the "logit" command (binary logistic regression) differ significantly from each other.

http://www.nd.edu/~rwilliam/oglm/RW_Hetero_Choice.pdf http://www.nd.edu/~rwilliam/oglm/oglm_Stata.pdf Quoting from the abstract to my first paper,

http://www.indiana.edu/~jslsoc/research_groupdif.htm

http://www.maartenbuis.nl/publications/interactions.html

therefor we used the suest command but we are not quite sure if we used it correctly, as in the stata help the command is only described for linear regressions. we have two different kinds of logit model we want to compare. 1.)in the first case we have two independent subgroups of persons in a dataset (persons with german nationality and foreigners). we tried out this command ("poor" is the dependent, the others are the independant variables): logit poor women young old if german==1, or estimates store german logit poor women young old if turkish==1, or estimates store turkish suest german turkish test [german_poor]women= [turkish_poor]women test [german_poor]young= [turkish_poor]young test [german_poor]old= [turkish_poor]old 2.)in the second case we have date were there are mostly cross-sectional data, but also some panel-data (EU SILC-data) therefore we used this command: logit poor women young old if 2004==1, or estimates store data2004 logit poor women young old if 2009==1, or estimates store data2009 suest data2004 data2009 test woman test young test old --> we looked up some helps for this problem, but they are written so complicated that we were even more confused afterwards. we would need a clear syntax. Could somebody tell us which syntax we schould use for which problem? Thank you and sorry for asking such "simple" questions... * * 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/

------------------------------------------- Richard Williams, Notre Dame Dept of Sociology OFFICE: (574)631-6668, (574)631-6463 HOME: (574)289-5227 EMAIL: Richard.A.Williams.5@ND.Edu WWW: http://www.nd.edu/~rwilliam * * 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/

**References**:**st: compare regression coefficients between 2 groups (SUEST) across time and across subgroups in a data set***From:*"Roland Teitzer" <roland.teitzer@univie.ac.at>

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