****************************************************************** *STATA syntax code for the computation of index* *values with the Saudi Arabian value set (DCE and TTO hybrid)* ******************************************************************; gen disut_mo = . replace disut_mo = 0 if missing(disut_mo) & mobility == 1 replace disut_mo = 0.046 if missing(disut_mo) & mobility == 2 replace disut_mo = 0.074 if missing(disut_mo) & mobility == 3 replace disut_mo = 0.226 if missing(disut_mo) & mobility == 4 replace disut_mo = 0.427 if missing(disut_mo) & mobility == 5 gen disut_sc = . replace disut_sc = 0 if missing(disut_sc) & selfcare == 1 replace disut_sc = 0.036 if missing(disut_sc) & selfcare == 2 replace disut_sc = 0.06 if missing(disut_sc) & selfcare == 3 replace disut_sc = 0.172 if missing(disut_sc) & selfcare == 4 replace disut_sc = 0.268 if missing(disut_sc) & selfcare == 5 gen disut_ua = . replace disut_ua = 0 if missing(disut_ua) & activity == 1 replace disut_ua = 0.024 if missing(disut_ua) & activity == 2 replace disut_ua = 0.048 if missing(disut_ua) & activity == 3 replace disut_ua = 0.12 if missing(disut_ua) & activity == 4 replace disut_ua = 0.191 if missing(disut_ua) & activity == 5 gen disut_pd = . replace disut_pd = 0 if missing(disut_pd) & pain == 1 replace disut_pd = 0.039 if missing(disut_pd) & pain == 2 replace disut_pd = 0.093 if missing(disut_pd) & pain == 3 replace disut_pd = 0.341 if missing(disut_pd) & pain == 4 replace disut_pd = 0.445 if missing(disut_pd) & pain == 5 gen disut_ad = . replace disut_ad = 0 if missing(disut_ad) & anxiety == 1 replace disut_ad = 0.042 if missing(disut_ad) & anxiety == 2 replace disut_ad = 0.111 if missing(disut_ad) & anxiety == 3 replace disut_ad = 0.268 if missing(disut_ad) & anxiety == 4 replace disut_ad = 0.352 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)