Estimating a preference-based index for patients with myasthenia gravis from the MGQoL-6D measure

Table 3 Conditional logit utility decrements

Parameter	Severity level	Beta (β)	SE	Anchored Consistent model Utility decrement
Time coefficient (α)	Linear	0.105^***	0.013
Social activity	2	-0.02^**	0.007	-0.19
Social activity	3	-0.034^***	0.007	-0.323
Hobbies and fun activities	2	0.001	0.005	0.009
Hobbies and fun activities	3	-0.034^***	0.006	-0.323
Meeting family needs	2	0.02	0.006	0.19
Meeting family needs	3	-0.01	0.007	-0.095
Work performance (including work at home)	2	-0.005	0.006	-0.047
Work performance (including work at home)	3	-0.024^**	0.007	-0.228
Mobility	2	0.001	0.006	0.009
Mobility	3	-0.018^***	0.008	-0.171
Emotion	2	0.009	0.007	0.086
Emotion	3	-0.044^***	0.008	-0.419

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