Table 5.

Prediction of risk factors by regression analysis.

Dependent variablesa	Independent variables	B	SE	Beta (β)	T	P	R2
PASS	PCS Total	1.055	0.117	0.678	9.025	<0.001	0.605
	Sexb	−6.393	2.613	−0.169	−2.447	0.016
	Monthly Incomec	7.422	2.730	0.194	2.719	0.008
	BDI Totald	0.330	0.124	0.204	2.662	0.009
PCS	BDI Total	0.271	0.103	0.261	2.646	0.010	0.531
	Course of diseasee	7.762	2.567	0.291	3.024	0.003
	Course of diseasee	7.762	2.567	0.291	3.024	0.003
	Years of educationf	−5.795	2.262	−0.240	−2.562	0.012
	PI-NRS	0.712	0.339	0.156	2.098	0.039

^aDependent variables: PASS, Pain Anxiety Symptoms Scale; PCS, Pain Catastrophizing Scale; PI-NRS, pain intensity numerical rating scale.

^bSex; 1, female; 2, male.

^cMonthly income: 1, ≤ 5,000 yuan; 2, >5,000 yuan.

^dBeck Depression Inventory.

^e Course of disease; 1, < 1 year; 2, ≥1 years

^fLevel of education; 1, ≤ 12 years; 2, >12 years. Significant level at P < 0.05.

B, unstandardized coefficient; SE, standard error; beta, standardized coefficient; R², R square.