Table 4. Multiple Linear Regression Models for GHQ Scales: Regression Coefficients ± Standard Error.

	Somatic symptoms		Anxiety		Social dysfunction		Feelings of depression		Total score
	β ± SE*	P	β ± SE	P	β ± SE	P	β ± SE	P	β ± SE	P
Sex
Men, reference
Women	0.21 ± 1.13	0.852	1.29 ± 1.27	0.316	-1.67 ± 1.17	0.163	-0.04 ± 0.04	0.347	-1.15 ± 3.09	0.711
Age (years)	0.02 ± 0.05	0.687	0.16 ± 0.06	0.008	0.03 ± 0.05	0.526	0.00 ± 0.01	0.693	0.30 ± 0.13	0.023
Duration of disease	0.03 ± 0.02	0.046	0.04 ± 0.05	0.424	0.03 ± 0.05	0.504	0.01 ± 0.001	0.043	0.09 ± 0.05	0.047
Multiple lesions	0.46 ± 0.93	0.625	2.0 ± 1.0	0.048	1.13 ± 0.96	0.248	0.01 ± 0.03	0.662	1.15 ± 2.54	0.652
ASA
I-II, reference
III-IV	0.35 ± 0.98	0.722	0.96 ± 1.10	0.388	0.67 ± 1.02	0.517	0.03 ± 0.01	0.049	1.38 ± 2.68	0.609
WHODASII	0.10 ± 0.02	< 0.001	0.08 ± 0.03	0.008	0.15 ± 0.03	< 0.001	0.01 ± 0.01	< 0.001	0.43 ± 0.07	< 0.001