Bodily pain and vitality are the key factors in the disability of chronic low back pain patients under Short Form 36 base study: a five-year cohort study

Table 5 Independent factors at baseline associated with the total months of disability over the past 5 years^a

Model	Independent variables	Standardized Beta	t	R² change	p-value
I	Educational years	–0.34	–3.85	0.10	< 0.001
I	BP	–0.25	–2.84	0.06	< 0.01
II	Educational years	–0.34	–3.93	0.10	< 0.001
	VT	–0.29	–3.27	0.08	0.001

BP Bodily pain subscale of the Short Form 36, VT Vitality subscale of the Short Form 36
^aModels I and II tested the associations of the four physical and mental subscales of the Short Form 36 at baseline with the total months of disability over the past 5 years, respectively

ISSN: 1477-7525