Table 5.

Spearman’s correlation coefficients of children’s and primary caregivers’ responses on the EuroQol Five-Dimension Questionnaire (EQ-5D item and EQ-5D utility scores, including VAS) with the primary caregivers’ responses on the Care-Related Quality of Life Questionnaire (CarerQol item and CarerQol utility scores)

EQ-5D domains	CarerQol-7D dimensions
	Fulfillment	Relational problems	Mental health problems	Problems combining daily act	Financial problems	Support lending care	Physical health problems	CarerQol utility score
Child
Mobility	0.067	0.173	0.175	0.103	0.178	0.043	0.168	− 0.074
Self-care	− 0.019	0.300*	0.139	0.278	0.138	− 0.061	0.186	− 0.236
Usual activities	− 0.141	0.403*	0.059	0.362*	0.256	− 0.057	0.087	− 0.163
Pain/discomfort	− 0.133	0.206	0.147	0.288*	0.007	− 0.251	0.043	− 0.198
Anxiety/depression	− 0.291*	0.295*	0.268	0.355*	0.027	− 0.062	0.230	− 0.325*
EQ-5D utility score	0.145	− 0.351*	− 0.274	− 0.456*	− 0.142	0.055	− 0.276	0.345*
EQ-VAS	0.127	− 0.198	− 0.128	− 0.373*	− 0.033	0.049	− 0.081	0.181
Primary caregiver
Mobility	0.018	0.208	0.000	0.073	0.019	− 0.142	0.157	− 0.118
Self-care	− 0.045	0.140	0.000	0.198	− 0.079	− 0.072	0.113	− 0.101
Usual activities	− 0.198	0.161	0.378*	0.299*	0.135	− 0.127	0.578*	− 0.540*
Pain/discomfort	− 0.045	0.134	0.151	0.159	0.181	− 0.076	0.551*	− 0.296*
Anxiety/depression	− 0.196	0.173	0.615*	0.276	0.099	− 0.295*	0.439*	− 0.461*
EQ-5D utility score	0.198	− 0.211	− 0.532*	− 0.288*	− 0.118	0.270	− 0.657*	0.551*
EQ-VAS	0.097	− 0.084	− 0.171	− 0.225	0.052	− 0.002	− 0.060	0.143

VAS visual analog scale, EQ-VAS current health state (0–100.00, with 100.00 being completely healthy), CarerQol-VAS happiness score primary caregiver (0–10.0, with 10.0 being completely happy)

*Statistically significant differences (p < 0.01)