Table 4.
Model Output for Treatment Plan DCE
| Class Proportions | Symbol | Class 1 | Class 2 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 0.584 | 0.416 | ||||||||
| Utility Parameters | Parameter | SE | T-Ratio | Parameter | SE | T-Ratio | |||
| Current treatment plan |  |
−1.189 | * | 0.340 | −3.500 | 1.697 | * | 0.443 | 3.830 |
| (Reference category: Treatment A or B) | |||||||||
| Treatment effectiveness | |||||||||
| 50% improvement |  |
1.368 | * | 0.231 | 5.930 | 0.915 | * | 0.461 | 1.980 |
| 70% improvement |  |
1.855 | * | 0.264 | 7.020 | 1.093 | * | 0.470 | 2.320 |
| (Reference category: 30% improvement) | |||||||||
| Medication | |||||||||
| Oral pills at home |  |
0.800 | * | 0.212 | 3.780 | −0.470 | 0.399 | −1.180 | |
| Nasal spray in clinic and oral |  |
0.505 | * | 0.188 | 2.330 | −0.630 | 0.409 | −1.540 | |
| Infusion in clinic |  |
0 | Fixed parameter | 0 | Fixed parameter | ||||
| (Reference category: None) | |||||||||
| Brain stimulation | |||||||||
| ECT |  |
−0.743 | * | 0.240 | −3.100 | −0.521 | 0.480 | −1.090 | |
| TMS |  |
0 | Fixed parameter | 0 | Fixed parameter | ||||
| (Reference category: None) | |||||||||
| Primary Healthcare Practitioner | |||||||||
| Psychologist |  |
0.438 | * | 0.188 | 2.330 | 0.715 | * | 0.321 | 2.230 |
| Psychiatrist |  |
0 | Fixed parameter | 0 | Fixed parameter | ||||
| (Reference category: GP) | |||||||||
| Monthly out of pocket cost | |||||||||
| $250 |  |
−0.181 | 0.245 | −0.740 | 0.660 | * | 0.374 | 1.770 | |
| $500 |  |
−0.181 | 0.245 | −0.740 | −1.219 | * | 0.563 | −2.170 | |
| $750 |  |
−0.818 | * | 0.301 | −2.720 | −2.704 | * | 1.055 | −2.560 |
| $1000-$2500 |  |
−1.398 | * | 0.254 | −5.500 | −3.927 | * | 1.068 | −3.680 |
| (Reference category: $100) | |||||||||
| Class assignment parameters | |||||||||
| Constant | −0.003 | 0.523 | −0.010 | 0 | Fixed parameter | ||||
| Area of residence | |||||||||
| Metro | 1.280 | 0.697 | 1.840 | 0 | Fixed parameter | ||||
| (Reference category: regional) | |||||||||
| Age | |||||||||
| Under 45 years | −1.585 | * | 0.762 | −2.080 | 0 | Fixed parameter | |||
| (Reference category: 45 years and older) | |||||||||
Notes: *Statistically significant at the 5%-level. Restricted log-likelihood: −659.167; Log-likelihood: −424.462; McFadden Pseudo R-squared: 0.356. Number of respondents: 75; Number of choice observations: 600. All categorical attributes were dummy coded and should be compared to the reference category. Omitted attributes: remission, psychotherapy, lifestyle changes, mindfulness and treatment setting.