****************************************************************** *STATA syntax code for the computation of index* *values with the Japanese value set (TTO)* ******************************************************************; gen disut_mo = . replace disut_mo = 0 if missing(disut_mo) & mobility == 1 replace disut_mo = 0.0639 if missing(disut_mo) & mobility == 2 replace disut_mo = 0.1126 if missing(disut_mo) & mobility == 3 replace disut_mo = 0.1790 if missing(disut_mo) & mobility == 4 replace disut_mo = 0.2429 if missing(disut_mo) & mobility == 5 gen disut_sc = . replace disut_sc = 0 if missing(disut_sc) & selfcare == 1 replace disut_sc = 0.0436 if missing(disut_sc) & selfcare == 2 replace disut_sc = 0.0767 if missing(disut_sc) & selfcare == 3 replace disut_sc = 0.1243 if missing(disut_sc) & selfcare == 4 replace disut_sc = 0.1597 if missing(disut_sc) & selfcare == 5 gen disut_ua = . replace disut_ua = 0 if missing(disut_ua) & activity == 1 replace disut_ua = 0.0504 if missing(disut_ua) & activity == 2 replace disut_ua = 0.0911 if missing(disut_ua) & activity == 3 replace disut_ua = 0.1479 if missing(disut_ua) & activity == 4 replace disut_ua = 0.1748 if missing(disut_ua) & activity == 5 gen disut_pd = . replace disut_pd = 0 if missing(disut_pd) & pain == 1 replace disut_pd = 0.0445 if missing(disut_pd) & pain == 2 replace disut_pd = 0.0682 if missing(disut_pd) & pain == 3 replace disut_pd = 0.1314 if missing(disut_pd) & pain == 4 replace disut_pd = 0.1912 if missing(disut_pd) & pain == 5 gen disut_ad = . replace disut_ad = 0 if missing(disut_ad) & anxiety == 1 replace disut_ad = 0.0718 if missing(disut_ad) & anxiety == 2 replace disut_ad = 0.1105 if missing(disut_ad) & anxiety == 3 replace disut_ad = 0.1682 if missing(disut_ad) & anxiety == 4 replace disut_ad = 0.1960 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 - 0.0609 - disut_total replace EQ_index = 1 if mobility == 1 & selfcare == 1 & activity == 1 & pain == 1 & anxiety == 1 replace EQ_index = round(EQ_index, .001)