/*
Note: The estimated HUI2 is dirived from SF36 T-scores.The program was writen 
by Joanne Wu, based on Nichol MB, Sengupta N, Globe DR. Evaluating quality-adjusted life years: 
estimation of the health utility index (HUI2) from the SF-36. 
Med Decis Making. 2001 Mar-Apr;21(2):105-12.

If you found a bug or would like to comment on this program, 
please email qfw@usc.edu 

*/


HUI2=0.0009*GH_T2 + 
	0.00046*RP_T2 + 
	0.0043*BP_T2 +
	0.0042*MH_T2 + 
	0.0018*PF_T2 +
	0.0018*VT_T2 +
        0.0015*RE_T2 + 
	0.0015*SF_T2 - 
	0.0006*AGE +0.045;

	LABEL HUI2='NSG-estimated HUI2 from SF36';
run;