Table 3.

Discrete choice task results from conditional logistic regression

Attribute	Level	Coefficient	SE	95% CI	P value
Ability to engage in valued activities after new hip is fitted	Can do everything*	0.70
	Can do most things	0.49	0.08	0.33 to 0.64	<0.001
	Cannot do most things	−0.39	0.07	−0.53 to −0.24	<0.001
	Cannot do anything	−0.80	0.13	−1.05 to −0.55	<0.001
Antibiotic side effects	Don’t affect me much*	0.22
	Affects me a lot	−0.22	0.05	−0.33 to −0.12	<0.001
Number of operations	1*	0.20
	2	−0.20	0.07	−0.35 to −0.06	<0.001
Time taken after surgical treatment starts to return to normal activities	3 months*	0.20
	6 months	0.31	0.09	0.14 to 0.48	<0.001
	12 months	−0.06	0.05	−0.15 to 0.04	0.22
	18 months	−0.45	0.10	−0.64 to −0.26	<0.001

*Indicates reference category within attribute.