Table 9.

Multiple linear regression analysis for social domain (n = 251)

Variable	Social domain
	B	SE B	β	t	P value
Sex	1.031	0.453	0.139	2.276	0.024
Age	–0.265	0.181	–0.091	–1.460	0.146
Job status (current)	1.033	0.502	0.131	2.060	0.041
Current ADL	–0.874	0.259	–0.224	–3.377	0.001
Pain severity (last week)	–0.224	0.152	–0.112	–1.471	0.143
Sleep duration	0.176	0.101	0.109	1.737	0.084
Effect of therapy	–0.098	0.225	–0.031	–0.436	0.663
Suicidal ideation	1.643	0.577	0.186	2.847	0.005

ADL: activities of daily living, SE: standard error.