****************************************************************** *STATA syntax code for the computation of index* *values with the Vietnamese value set (DCE and TTO hybrid)* ******************************************************************; gen disut_mo = . replace disut_mo = 0 if missing(disut_mo) & mobility == 1 replace disut_mo = 0.0692 if missing(disut_mo) & mobility == 2 replace disut_mo = 0.0785 if missing(disut_mo) & mobility == 3 replace disut_mo = 0.2064 if missing(disut_mo) & mobility == 4 replace disut_mo = 0.3761 if missing(disut_mo) & mobility == 5 gen disut_sc = . replace disut_sc = 0 if missing(disut_sc) & selfcare == 1 replace disut_sc = 0.0428 if missing(disut_sc) & selfcare == 2 replace disut_sc = 0.046 if missing(disut_sc) & selfcare == 3 replace disut_sc = 0.147 if missing(disut_sc) & selfcare == 4 replace disut_sc = 0.2311 if missing(disut_sc) & selfcare == 5 gen disut_ua = . replace disut_ua = 0 if missing(disut_ua) & activity == 1 replace disut_ua = 0.0464 if missing(disut_ua) & activity == 2 replace disut_ua = 0.0587 if missing(disut_ua) & activity == 3 replace disut_ua = 0.1735 if missing(disut_ua) & activity == 4 replace disut_ua = 0.2989 if missing(disut_ua) & activity == 5 gen disut_pd = . replace disut_pd = 0 if missing(disut_pd) & pain == 1 replace disut_pd = 0.0839 if missing(disut_pd) & pain == 2 replace disut_pd = 0.1521 if missing(disut_pd) & pain == 3 replace disut_pd = 0.27 if missing(disut_pd) & pain == 4 replace disut_pd = 0.3666 if missing(disut_pd) & pain == 5 gen disut_ad = . replace disut_ad = 0 if missing(disut_ad) & anxiety == 1 replace disut_ad = 0.0638 if missing(disut_ad) & anxiety == 2 replace disut_ad = 0.1126 if missing(disut_ad) & anxiety == 3 replace disut_ad = 0.1713 if missing(disut_ad) & anxiety == 4 replace disut_ad = 0.2388 if missing(disut_ad) & anxiety == 5 gen disut_total = disut_mo + disut_sc + disut_ua + disut_pd + disut_ad gen EQ_index = . replace EQ_index = 1 - disut_total replace EQ_index = round(EQ_index, .001)