Table 1 Marginal utilities and willingness-to-pay (WTP)
Attributes/levels | Mean | Std. error | Importance score, % (ranking) | Marginal WTP, AU$ |
|---|---|---|---|---|
Mean (std. deviation) | ||||
Receiving additional findings constant | 2.54035*** | 0.52768*** | ||
Opportunity to change choices over time (yes) | 0.32148*** | 0.07484*** | 6.3% (6) | 375 (475) |
How positive results are returned1 | ||||
Directly, telehealth or phone | 0.30391 | 0.20878 | 16.4% (2) | - |
Directly, in person | 0.67793*** | 0.18327 | 980 (530) | |
Who returns positive results2 | ||||
Relevant medical specialist | 0.18911 | 0.16742 | 12.3% (3) | - |
Genetic counsellor | 0.43219** | 0.19719** | 725 (870) | |
Clinical genetics specialist | 0.19636 | 0.20235 | - | |
How negative results are returned | 0.19207 | 0.12836 | 3.8% (8) | - |
Who returns negative results | −0.00468 | 0.09514 | 0.1% (9) | - |
Waiting time for seeing a medical specialist (months) | −0.16757*** | 0.04719*** | 9.1% (5) | −100 (70) |
Immediate access to relevant high-quality online resources | 0.32676*** | 0.05628 | 6.4% (7) | 390 (210) |
New relevant information becomes available3 | ||||
Updates upon individual request | −0.02342 | 0.09889 | 9.6% (4) | - |
Automatic updates in secure online portal | 0.49644*** | 0.11384 | 570 (310) | |
Cost of testing (AU $) | −0.00208*** | 0.00024*** | 35.9% (1) | - |
Log likelihood function | −724 | |||
McFadden Pseudo R-squared | 0.414 | |||
Akaike information criterion | 1486 | |||
