Table 3.

Univariable and multivariable linear regression analyses to identify factors associated with Assessment of Spondyloarthritis International Society Health Index score

	Univariable			Multivariable
	β	95% CI	P value	β	95% CI	P value
Age	−0.01	−0.04, 0.02	0.47
Females	1.64	0.65, 2.64	<0.01	0.40	−0.26, 1.05	0.23
BMI	0.04	−0.04, 0.11	0.35
Duration of disease	−0.06	−0.11, 0.02	0.01	−0.04	−0.07, 0.01	0.01
BASDAI	1.21	1.04, 1.38	<0.01	0.41	0.22, 0.60	<0.01
BASFI	1.17	1.03, 1.32	<0.01	0.71	0.54, 0.88	<0.01
HADS-Anxiety	0.41	0.32, 0.50	<0.01	0.12	0.03, 0.20	0.01
HADS-Depression	0.58	0.49, 0.68	<0.01	0.20	0.09, 0.31	<0.01
CD-RISC-10	−0.21	−0.26, 0.16	<0.01	−0.02	−0.06, 0.03	0.43
Number of comorbidities	0.42	−0.03, 0.86	0.07	−0.02	−0.33, 0.28	0.88

BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Functional Index; BMI, body mass index; CD-RISC-10, 10-item Connor Davidson Resilience Scale; HADS, Hospital Anxiety and Depression Scale.