****************************************************************** *STATA syntax code for the computation of index* *values with the Norwegian value set (DCE and TTO hybrid)* ******************************************************************; gen disut_mo = . replace disut_mo = 0 if missing(disut_mo) & mobility == 1 replace disut_mo = 0.031 if missing(disut_mo) & mobility == 2 replace disut_mo = 0.065 if missing(disut_mo) & mobility == 3 replace disut_mo = 0.159 if missing(disut_mo) & mobility == 4 replace disut_mo = 0.205 if missing(disut_mo) & mobility == 5 gen disut_sc = . replace disut_sc = 0 if missing(disut_sc) & selfcare == 1 replace disut_sc = 0.031 if missing(disut_sc) & selfcare == 2 replace disut_sc = 0.065 if missing(disut_sc) & selfcare == 3 replace disut_sc = 0.160 if missing(disut_sc) & selfcare == 4 replace disut_sc = 0.206 if missing(disut_sc) & selfcare == 5 gen disut_ua = . replace disut_ua = 0 if missing(disut_ua) & activity == 1 replace disut_ua = 0.027 if missing(disut_ua) & activity == 2 replace disut_ua = 0.057 if missing(disut_ua) & activity == 3 replace disut_ua = 0.139 if missing(disut_ua) & activity == 4 replace disut_ua = 0.179 if missing(disut_ua) & activity == 5 gen disut_pd = . replace disut_pd = 0 if missing(disut_pd) & pain == 1 replace disut_pd = 0.059 if missing(disut_pd) & pain == 2 replace disut_pd = 0.124 if missing(disut_pd) & pain == 3 replace disut_pd = 0.303 if missing(disut_pd) & pain == 4 replace disut_pd = 0.391 if missing(disut_pd) & pain == 5 gen disut_ad = . replace disut_ad = 0 if missing(disut_ad) & anxiety == 1 replace disut_ad = 0.072 if missing(disut_ad) & anxiety == 2 replace disut_ad = 0.150 if missing(disut_ad) & anxiety == 3 replace disut_ad = 0.366 if missing(disut_ad) & anxiety == 4 replace disut_ad = 0.472 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)