Hello,   I am having opposite odds ration results when I use the proc surveylogistic than the proc logistics. I am not understanding why. I tried proc logistic with descending option and the results are opposite to the surveylogistic one/ My outcome is binary.    this is the code:   proc surveylogistic data=doit;  class age sex income marital immigrant/ param=ref; model immigrant (event="immigrant")= age sex income marital; stratum province ; weight weights;  run;    Thank you for the help.   DF     ... View more