hi all, Thanks for your reply what if all categorical variables are taken as co-variates and an equation is developed, will the odds remain the same for a categorical variable if it is not taken as a categorical? I think categorical is a type of covariate? Regards xyz --- On Wed, 9/12/12, khizar azam <[log in to unmask]> wrote: From: khizar azam <[log in to unmask]> Subject: BINARY LOGISTIC REGRESSION COVARIATES To: [log in to unmask] Date: Wednesday, September 12, 2012, 10:03 AM GREETINGS ALL I AM USING PASW 18 FOR MY DATA ANALYSIS AND WHILE DOING BINARY LOGISTIC REGRESSION MY QUESTION IS THAT IF WE CONSIDER A CATEGORICAL VARIABLE AS A COVARIATE IN OUR ANALYSIS WHAT DIFFERENCE WILL IT MAKE. IS IT OK TO USE A BINARY VARIABLE AS A CATEGORICAL? CONFUSED THANKS XYZ --- On Thu, 10/21/10, khizar azam <[log in to unmask]> wrote: From: khizar azam <[log in to unmask]> Subject: survey data analysis video To: [log in to unmask] Date: Thursday, October 21, 2010, 3:48 AM Greetings all, I am a researcher and was wondering if you guys have any information about any url that contains video on how to do data analysis of a survey in SPSS. I have searched on the net but it wasnt help full. Regards, Khizar You may leave the list at any time by sending the command SIGNOFF allstat to [log in to unmask], leaving the subject line blank.