A.proc logistic data=file-name;model HBP(event="1")=na bmi na*bmi;run;
B.proc logistic data=file-name;model HBP(event="1")=na bmii;run;proc logistic data=file-name;model HBP(event="1")=na bmi na*bmi;run;
C.proc freq data=file-name;table na*bmi;run;proc logistic data=file-name;model HBP(event="1")=na bmi na*bmi;run;
D.proc corr;var na;with bmi;run;proc logistic data=file-name;model HBP(event="1")=na bmi na*bmi;run;