Table 1 Descriptive system: attributes and levels used in the discrete choice experiment.
| Â | GPs | General public |
|---|---|---|
Risk of cancer after a positive test (GPs);Â Test gets it wrong when it tells us there is a cancer (General public) | 20% | Gets it wrong 8 out of 10 times |
40% | Gets it wrong 6 out of 10 times | |
60% | Gets it wrong 4 out of 10 times | |
80% | Gets it wrong 2 out of 10 times | |
Risk of cancer after a negative test (GPs); Test gets it wrong when it tells us there is not a cancer (General public) | 0.1% | Almost never (1 out of 1000 times) |
0.5% | Incredibly rarely (5 out of 1000 times) | |
1% | Very, very rarely (10 out of 1000 times) | |
4% | Rarely (40 out of 1000 times) | |
Waiting time for test results | 1 week | 1 week |
1 to 2 weeks | 1 to 2 weeks | |
Number of cancer sites tested (GPs); Number of cancers tested for (General public) | 1 | 1 |
5 | 5 | |
10 | 10 | |
25 | 25 | |
Can the test identify the site? (GPs); Test detects type of cancer? (General public) | Yes | Yes |
No | No | |
Form of the test | Blood test | Blood test |
Faecal test | Faecal test | |
Urine test | Urine test | |
Breath test | Breath test | |
Can the test detect the stage of cancer? (GPs); Test can detect cancer at an early stage? (General public) | Yes | Yes |
No | No |
