How to form a cox regression in spss?

To perform a Cox regression in SPSS, first ensure your dataset is set up correctly, with your time-to-event variable, censoring status, and covariates. Then, navigate to "Analyze" > "Survival" > "Cox Regression." In the dialog box, specify your time and status variables, add covariates to the "Covariates" box, and set any options or methods you want to use. Finally, click "OK" to run the analysis and view the results in the output window.