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binary logistic regression

  • 1.  binary logistic regression

    Posted Thu January 04, 2024 03:00 AM
    Edited by Alyssa M Thu January 04, 2024 03:01 AM

    Hi all - I am using SPSS to run logistic regression analyses with the complex sampling package. I ran a bivariate analysis and generated odds ratios for a given outcome using a model with several categorical covariates. One of my odds ratios on the output file includes the categorical variable marital status (married, widowed, separated, never married) for the outcome of passing or not an exam. On the output, I have the following:

    Divorced vs. Married -Yes passed exam- OR 1.429 Lower limit 1.429 Upper limit 1.429

    Widowed vs. Married -Yes passed exam- OR 0.947 lower limit 0.947 upper limit 0.947

    No response vs. Married -Yes passed exam- OR 6.01E-09 Lower limit1.87E-54 Upper limit 1.93E+37

    I am super confused by these numbers as they are the same. The sample size is pretty large (>1000) and the data is weighted via complex sampling procedures plan file, so I'm not sure how this would be a sample size issue. Please help!



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    A.M
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