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Table 4 Paired model clogit estimates adjusting for covariates

From: Estimating preferences for a dermatology consultation using Best-Worst Scaling: Comparison of various methods of analysis

  Coefficient Standard
error
95%
Confidence
interval
Attribute impacts     
Waiting time - - - -
Doctor 1.6711 0.1841 1.3103 2.0318
Convenience 0.7154 0.1621 0.3977 1.0330
Thoroughness 0.5384 0.2040 0.1386 0.9382
Education * Doctor -0.1326 0.2028 -0.5300 0.2648
Education * Convenience 0.0009 0.1301 -0.2541 0.2558
Education * Thoroughness -0.0731 0.1691 -0.4046 0.2584
Severe * Doctor 0.0235 0.2233 -0.4141 0.4610
Severe * Convenience 0.0554 0.1395 -0.2180 0.3288
Severe * Thoroughness 0.0979 0.1531 -0.2021 0.3980
Acute * Doctor 0.4174 0.1801* 0.0644 0.7703
Acute * Convenience 0.2372 0.1401 -0.0373 0.5117
Acute * Thoroughness 0.2342 0.1724 -0.1038 0.5722
Level scale values     
3 month wait -2.0526 0.2995 -2.6396 -1.4656
2 month wait -1.2388 0.1984 -1.6277 -0.8499
1 month wait -0.0402 0.2414 -0.5134 0.4330
No wait 3.3317 - - -
Part-time doctor -1.7066 0.2093 -2.1168 -1.2964
Full-time doctor 1.7066 - - -
Difficult to attend -1.5013 0.1832 -1.8603 -1.1423
Easy to attend 1.5013 - - -
Not thorough -3.5450 0.2918 -4.1170 -2.9730
Thorough 3.5450 - - -
Education * 3 month wait -0.4842 0.2404* -0.9554 -0.0130
Education * 2 month wait -0.0205 0.1631 -0.3402 0.2992
Education * 1 month wait 0.3004 0.1820 -0.0564 0.6571
Education * part-time doctor -0.0706 0.1506 -0.3657 0.2245
Education * Difficult to attend -0.2810 0.1487 -0.5723 0.0104
Education * Not thorough -0.6507 0.2598* -1.1599 -0.1415
Severe * 3 month wait -0.3876 0.2142 -0.8075 0.0323
Severe * 2 month wait -0.3754 0.1536* -0.6764 -0.0744
Severe * 1 month wait -0.1030 0.1651 -0.4266 0.2207
Severe * part-time doctor 0.1305 0.1434 -0.1505 0.4116
Severe * Difficult to attend 0.1407 0.1304 -0.1148 0.3962
Severe * Not thorough 0.1055 0.2617 -0.4074 0.6183
Acute * 3 month wait -0.2515 0.2372 -0.7164 0.2133
Acute * 2 month wait -0.2919 0.1522 -0.5902 0.0064
Acute * 1 month wait -0.5845 0.2142* -1.0044 -0.1646
Acute * part-time doctor -0.3197 0.1819 -0.6762 0.0367
Acute * Difficult to attend -0.4408 0.1774* -0.7885 -0.0931
Acute * Not thorough -0.8625 0.2760* -1.4034 -0.3215
  1. * Indicates significant at the 5% level.
  2. Log pseudolikelihood = -1162.2742