Posted by
Maguin, Eugene on
Aug 23, 2017; 5:21pm
URL: http://spssx-discussion.165.s1.nabble.com/Big-odds-ratio-in-binary-regression-output-tp5734731p5734747.html
' ... huge odds ratio being simply reflective of "reality"?' Yes.
" ... second part of your comment." You put some items together to make a factor, computed factor scores for that factor and then dichotomized the factor scores. That variable has an OR of 19+ with the DV and when that variable goes into the equation, it has an OR of 23+. Your DV is "dissatisfied with childbirth care" and the problem IV is called "interpersonal care and communication". Those two names seem very close to me in that a woman who feels she has received low levels of "interpersonal care and communication" might be/probably would be very "dissatisfied with childbirth care". I'm thinking that the indicators of the IV might correlate pretty highly with the DV because they are also indicators of childbirth care dissatisfaction. Two things then. Consider whether each indicator is also an indicator of dissatisfaction and look at the correlations of the indicators and the DV.
Gene Maguin
-----Original Message-----
From: SPSSX(r) Discussion [mailto:
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Sent: Wednesday, August 23, 2017 12:14 PM
To:
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Subject: Re: Big odds ration in binary regression output
Eugene, can there be a possibility of this huge odds ratio being simply reflective of "reality". In cross-tabulation I have noticed the standardized residuals for the four cells and it seems that each cell is significantly contributing towards the overall significance of the test. The value of standardized residuals for the particular IV are 2.0, 3.2, 4.4, 7.3. The values are above 1.96 (considered threshold for significant contribution of an individual cell). I don't have a very strong theoretical knowledge of statistics, so I might be wrong in my judgments.
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