Hi,
I'm having a fairly knotty problem with stata. Let me
give you a background before I ask the questions:
I have one outcome variable - screening test - yes or
no
I have four independent variables - gender (male,
female), income (3 categories - low, medium, high),
age (4 categories in 5-year intervals), education (3
categories - low, medium, high)
There are three interactions that are signficant on
univariate analysis - gender*income, gender*educn,
gender*age category.
The final model should look like this
.xi: logisitic screentest gender educn income agecat
i.gender*i.educn i.gender*i.income i.gender*i.agecat
Now this will provide the following co-efficiencts
gender_1
income_2
income_3
educn_2
educn_3
agecat_2
agecat_3
agecat_4
_gen_educn2
_gen_educn3
_gen_income2
_gen_income3
_gen_agecat2
_gen_agecat3
_gen_agecat4
Now, if i want the true odds ratios for gender (ie.
male vs. female), what command do I use to estimate
this from the model?
I want my output table to look something like this...
Income OR for male vs. female
----------------------------------------
Income1 OR1
Income 2 OR2
Income 3 OR3
----------------------------------------
This OR should be adjusted for age, gender, educn, and
the interaction between gender and age, and gender and
educn.
Can someone help me with this problem? Does it have a
solution in stata?
Thanks,
Ashwin
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