How many categories have you? I see from Location that you have 15. All of these have meaning for you that is from your theory as categorical? If they have you are OK.
I will give you some useful links with examples of SPSS ordinal regression. Please look at these and you will find the answers you want
http://www.restore.ac.uk/srme/ww ... inal_regression.pdf
http://www.strath.ac.uk/aer/mate ... /ordinalregression/
and a very helpful video
http://www.youtube.com/watch?v=fRfb3XWJfx4
http://www.youtube.com/watch?v=rHOR2JR3SY4