/* Association Measurement */
options nodate nonumber ps=200 ls=80 formdlim=' ';
ods select RiskDiffCol1 Measures;  
/* Example 1 */
data cancer;
 input dose $ cancer $ count;
 datalines;
   high   yes   14 
   high    no   30
   low    yes    4 
   low     no   40 
   ;    
 proc freq order=data data=cancer; 
    weight count; 
    tables dose*cancer / riskdiff measures; 
 run; 
 proc freq order=data;   
    weight count;
    tables dose*cancer / all nocol nopct;  /* all means both chisq and measures */    
    exact or;                     /* get the exact CI for odds */
 run;