HOW TO DISPLAY P-VALUES TO A HIGHER NUMBER OF DECIMAL PLACES - http://www.sas.com/offices/europe/uk/support/sas-hints-tips/pvalues.html

HOW TO DISPLAY P-VALUES TO A HIGHER NUMBER OF DECIMAL PLACES

/*the pvalue10.7 below is where you change the number of decimal places you want.*/
/*the default value here will give you 10 digits to the 7th decimal place.*/

ods path sasuser.templat(update) sashelp.tmplmst(read); 
proc template; 
   edit Common.PValue; 
      notes "Default p-value column"; 
      just = r; 
      format = pvalue10.7; 
   end; 
run; 

proc reg data=sashelp.class; 
model age = height weight ; 
run; 

/* 
/  Unless you want to keep this edited template, delete it. 
/  this only deletes the version of the template in your SASUSER 
/  library, returning you to the regularly scheduled official one in 
/  SASHELP. 
/--------------------------------------------------------------------*/ 
proc template; 
   delete common.pvalue; 
run;