Conditional logit regression analysis by risk group (effects coded)
| Attribute | Level | Risk level not mentioneda | Low riskb | High riskc | P-valued |
|---|---|---|---|---|---|
| Coefficient (95% CI) | Coefficient (95% CI) | Coefficient (95% CI) | |||
| Length of consultation | (minutes) | −0.002 (−0.017 to 0.012)e | 0.004 (−0.011 to 0.020)e | 0.001 (−0.014 to 0.015)e | 0.83 |
| Waiting time | (weeks) | −0.578 (−0.641 to −0.516) | −0.531 (−0.591 to −0.472) | −0.516 (−0.575 to −0.457) | 0.13 |
| Convenience/availability | Normal working hours only | – | – | – | |
| Any time | 0.013 (−0.065 to 0.092)e | 0.083 (0.007 to 0.160) | 0.026 (−0.047 to 0.099)e | 0.40 | |
| Healthcare professional | Any GP | – | – | – | |
| GP of your choice | 0.191 (0.118 to 0.263) | 0.309 (0.234 to 0.385) | 0.237 (0.162 to 0.311) | 0.08 | |
| Listening to you | Very poor | – | – | – | |
| Poor | −0.698 (−0.890 to −0.506) | −0.634 (−0.827 to −0.440) | −0.717 (−0.909 to −0.525) | 0.82 | |
| Good | 0.864 (0.695 to 1.031) | 0.831 (0.670 to 0.994) | 0.849 (0.686 to 1.012) | 0.96 | |
| Very good | 0.762 (0.603 to 0.923) | 0.973 (0.809 to 1.138) | 0.889 (0.737 to 1.050) | 0.19 | |
| Joint testf | 0.48 | ||||
| Overall joint testg | 0.18 |
↵a Number of observations = 205; Pseudo-R2 = 0.4309.
↵b Number of observations = 200; Pseudo-R2 = 0.4503.
↵c Number of observations = 196; Pseudo-R2 = 0.4115.
↵d χ2 test that coefficients are equal across risk groups within every level.
↵e Coefficient not significantly different from zero; all other coefficients significant at P<0.001.
↵f Joint χ2 test that every coefficient is equal across the risk groups within every level of this attribute.
↵g Joint χ2 test that every coefficient is equal across the risk groups within every level of every attribute.