Results of conditional logit regression analysis.
| Variable | Regression coefficient (β) (95% CI) | P value | Willingness to pay for self-care |
|---|---|---|---|
| Constant terma | 1.968 (1.791 to 2.145) | <0.001 | £22.62 |
| Type of management (reference level, self-care) | |||
| Pharmacy advice | −0.304 (−0.496 to −0.112) | 0.002 | £19.13 (£22.62 – £3.49) |
| GP consultation | −0.473 (−0.687 to −0.259) | <0.001 | £17.18 (£22.62 – £5.44) |
| Practice nurse consultation | −0.923 (−1.128 to −0.718) | <0.001 | £12.01 (£22.62 – £10.61) |
| NHS 24 telephone advice | −1.480 (−1.813 to −1.358) | <0.001 | £5.61 (£22.62 – £17.01) |
| Complementary therapist consultation | −1.585 (−1.673 to −1.287) | <0.001 | £4.40 (£22.62 – £18.22) |
| Availability (time to deal with symptom in days) | −0.321 (−0.372 to −0.271) | <0.001 | £3.69 for a 1-day reduction |
| Cost (£) | −0.087 (−0.099 to −0.074) | <0.001 | |
↵a Coefficient for the constant is used to estimate the combined preference for doing something to manage symptoms (rather than doing nothing) and preference for the reference level, self-care (and thereafter, willingness to pay).