Patients with severe low back pain exhibit a low level of physical activity before lumbar fusion surgery: a cross-sectional study

Table 3 Multiple linear regression analysis results with the dependent variable “steps per day” (log-transformed)

Variables	Unstandardized Beta	Standardized Beta	P	95% CI for B
Variables	Unstandardized Beta	Standardized Beta	P	Lower	Upper
(Constant)	9.930		< 0.001	9.390	10.470
BMI	−0.021	−0.203	0.020	−0.038	−0.003
ODI	−0.009	−0.295	0.006	−0.015	−0.003
VASBack	0.002	0.109	0.293	−0.002	0.006
TSK	−0.009	−0.197	0.034	−0.017	−0.001

BMI body mass index, ODI Oswestry Disability Index, VASBack Visual Analogue Scale – back pain, TSK Tampa Scale for Kinesiophobia

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