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Table 5 DCE regression results

From: What, who and when? Incorporating a discrete choice experiment into an economic evaluation

  All Medman trial participants Trial groups Intervention subgroups
Intervention and control together Intervention Control Intervention still receiving at 24 months Intervention not receiving at 24 months
Coeff. SE P-val Coeff. SE P-val Coeff. SE P-val Coeff. SE P-val Coeff. SE P-val
(Compared to no advice)
‘Advice’ on medicines only 0.154 .052 <0.01 0.169 0.065 <0.01 0.138 0.090 0.125 0.389 0.095 <0.01 0.126 0.100 0.204
‘Advice’ on health/lifestyle only −0.009 0.069 0.89 0.029 0.086 0.734 −0.069 0.121 0.568 0.197 0.123 0.109 −0.009 0.126 0.945
‘Advice’ on medicines & health/lifestyle 0.019 0.055 0.721 0.074 0.068 0.276 −0.088 0.095 0.358 0.214 0.096 <0.05 0.184 0.107 0.087
(Compared to no privacy)
‘Privacy’ in the pharmacy -.016 .040 .679 0.007 0.050 0.891 −0.053 0.071 0.453 −0.010 0.071 0.893 0.126 0.074 0.090
(Compared to no reply)
‘Satisfactory replies’ to your questions .142 .040 <0.01 0.151 0.050 <0.01 0.134 0.071 0.058 0.197 0.068 <0.01 0.193 0.075 <0.01
(Compared to very good)
Very poor ‘chance’ of receiving appropriate treatment -.365 .069 <0.01 −0.371 0.086 <0.01 −0.360 0.121 <0.01 −0.466 0.121 <0.01 −0.262 0.125 <0.05
Poor ‘chance’ of receiving appropriate treatment -.222 .063 <0.01 −0.255 0.078 <0.01 −0.163 0.109 0.134 −0.244 0.111 <0.05 −0.209 0.114 0.066
Good ‘chance’ of receiving appropriate treatment -.155 .059 <0.01 −0.083 0.073 0.255 −0.312 0.106 <0.01 −0.083 0.106 0.433 −0.055 0.104 0.595
TIME -.003 .002 .116 −0.003 0.002 0.101 −0.002 0.003 0.600 −0.001 0.003 0.646 −0.007 0.003 <0.05
COST -.008 .002 <0.01 −0.009 0.003 <0.01 −0.007 0.004 0.080 −0.010 0.004 0.013 −0.009 0.004 <0.05
(compared to current)
Medicines review by GP & Pharmacista −1.128 .059 <0.01 −0.990 0.071 <0.01 −1.420 0.108 <0.01 −0.640 0.101 <0.01 −1.443 0.110 <0.01
Medicines review by GP onlya -.994 .057 <0.01 −0.997 0.070 <0.01 −1.013 0.101 <0.01 −0.943 0.105 <0.01 −1.057 0.103 <0.01
No of observations 4445 2916 1529 1501 1415
No of individuals 554 364 190 188 176
  1. aEverything else constant