Table 5.

Regression results of single chronic diseases and multimorbidity pairs on EQ-5D index

Type of disease	Crude b a	Adjusted b	SE	P	95% CI
Hypertension	−0.056	−0.008	0.002	< 0.001	− 0.012, − 0.004
Chronic pain	− 0.066	− 0.036	0.003	< 0.001	− 0.042, − 0.031
Bone disease	− 0.067	− 0.030	0.003	< 0.001	− 0.035, − 0.024
Diabetes mellitus	− 0.042	− 0.010	0.003	0.002	− 0.016, − 0.003
Dyslipidemia	− 0.037	− 0.003	0.004	0.369	− 0.010, 0.004
Gastroenteritis	−0.032	− 0.014	0.004	0.001	−0.022, − 0.006
Gout	− 0.057	−0.023	0.004	< 0.001	−0.030, − 0.015
HT + DM	− 0.055	− 0.013	0.004	0.001	− 0.020, − 0.005
HT + BD	− 0.081	−0.021	0.004	< 0.001	−0.028, − 0.013
HT + CP	− 0.083	− 0.027	0.004	< 0.001	− 0.035, − 0.019
HT + DL	− 0.053	−0.006	0.004	0.157	−0.015, 0.002
CP + BD	−0.080	−0.039	0.005	< 0.001	−0.048, − 0.030
HT + GT	− 0.072	− 0.019	0.005	< 0.001	− 0.029, − 0.009
DM + DL	− 0.057	−0.009	0.007	0.178	−0.023, 0.004
HT + GE	−0.068	−0.010	0.007	0.140	−0.024, 0.003
CP + DL	−0.068	−0.018	0.007	0.011	−0.032, − 0.004
BD + DL	−0.069	− 0.016	0.007	0.019	−0.030, − 0.003

Tobit regression models were respectively built and gender, age, education level, marriage state, employment, and all other single diseases were adjusted in the Tobit regression model

^a Partial regression coefficient (b) was used to reflect marginal effect HT Hypertension, CP Chronic pain, BD Bone diseases, DM Diabetes mellitus, DL Dyslipidemia, GE Gastroenteritis, GT Gout