Mapping the EQ-5D index from the cystic fibrosis questionnaire-revised using multiple modelling approaches

Table 6 OLS and TPM Model 3 coefficients

	OLS Model 3				TPM Model 3
					Part 1				Part 2
Variable	Coefficient	Bootstrapped SE	95% Bootstrapped SE (Bias-corrected)				95% Bootstrapped SE (Bias-corrected)				95% Bootstrapped SE (Bias-corrected)
Physical	0.00651***	(0.00141)	0.0037	0.0091	0.02836***	(0.00834)	0.0113	0.0449	0.00615***	(0.00188)	0.0027	0.0101
Role	0.00287***	(0.00057)	0.0017	0.0040	0.03285***	(0.01221)	0.0114	0.0583	0.00336***	(0.00075)	0.0019	0.0048
Emotion	0.00693***	(0.00211)	0.0028	0.0110	0.04287***	(0.01020)	0.0247	0.0637	0.00821***	(0.00277)	0.0029	0.0134
Vitality	0.00127**	(0.00062)	0.0001	0.0025					0.00592**	(0.00257)	0.0009	0.0112
Eat	0.00154***	(0.00053)	0.0005	0.0026					0.00206***	(0.00067)	0.0008	0.0034
Weight	−0.00058**	(0.00028)	−0.0011	−0.00003					−0.00090**	(0.00040)	−0.0017	−0.0001
Digest	0.00094**	(0.00044)	0.0001	0.0018					0.00106*	(0.00061)	−0.0001	0.0023
Physical squared	−0.00004***	(0.00001)	−0.0001	−0.00002					−0.00004**	(0.00002)	−0.0001	−0.00001
Vitality squared	-	-	-	-					−0.00005*	(0.00003)	−0.0001	0.000003
Emotions squared	−0.00004***	(0.00002)	−0.0001	−0.00001					−0.00006**	(0.00003)	−0.0001	−0.00001
Constant	−0.09898	(0.06297)	−0.2178	0.0296					−0.22122***	(0.07169)	−0.3604	−0.0790

OLS, ordinary least squares; TPM, two-part model; Model 3 = CFQ-R domains that are statistically significant at the 10% level + statistically significant squared terms.
SE = standard error; ***p < 0.01, **p < 0.05, *p < 0.1.

ISSN: 1477-7525