Table 4.
Discrete choice experiment | Chronic pain (DCE1) |
Breathlessness (DCE2) |
Chronic Pain (DCE3) |
|||
Estimate | 95% CI | Estimate | 95% CI | Estimate | 95% CI | |
Regression coefficient | ||||||
Information | 0.65 | (0.58 to 0.73) | 0.60 | (0.47 to 0.72) | 0.93 | (0.79 to 1.07) |
Situation | 0.91 | (0.82 to 0.99) | 0.90 | (0.76 to 1.05) | 1.43 | (1.23 to 1.63) |
Living well | 0.85 | (0.78 to 0.92) | 0.81 | (0.68 to 0.93) | 1.19 | (1.04 to 1.35) |
Communication | 0.21 | (0.15 to 0.26) | 0.21 | (0.12 to 0.30) | 0.31 | (0.20 to 0.42) |
Cost* | −0.06 | (−0.07 to −0.05) | −0.06 | (−0.07 to −0.04) | – | – |
Choice elasticity (in %) | ||||||
Information | 12.3 | (11.0 to 13.6) | 10.6 | (8.3 to 12.9) | 15.0 | (12.9 to 17.0) |
Situation | 16.9 | (15.4 to 18.3) | 16.1 | (13.6 to 18.6) | 21.9 | (19.3 to 24.5) |
Living well | 15.8 | (14.5 to 17.1) | 14.6 | (12.5 to 16.7) | 19.4 | (17.2 to 21.6) |
Communication | 3.8 | (2.7 to 4.8) | 4.2 | (2.6 to 5.8) | 5.4 | (3.5 to 7.2) |
Cost | −1.1 | (−1.2 to −0.9) | −1.0 | (−1.3 to −0.8) | ||
Model statistics | ||||||
Individuals | 517 | 200 | 206 | |||
Observations | 12 408 | 4800 | 4944 | |||
Parameters | 5 | 5 | 4 | |||
Log likelihood | −12 004 | −4739 | −4542 | |||
BIC | 24 054 | 9520 | 9117 |
*Coefficient for increase by £1 in cost of service
BIC, Bayesian Information Criterion.