Table 3.

Evaluation of pain predictors by multiple linear regression analysis

	B	SE	β	t	P	95% CI (lower-upper)
Constant	8.037	1.148		7.001	<0.001	5.757 - 10.317
Diagnosis	0.595	0.242	0.176	2.455	0.016	0.114 - 1.076
Education level	−1.184	0.135	−0.564	−8.764	<0.001	−1.45 - −0.916
SAS	0.015	0.015	0.069	0.999	0.320	−0.015 - 0.45
HAS	−0.06	0.056	−0.105	−1.079	0.283	−0.17 - 0.051
Smoking	0.123	0.482	0.015	0.256	0.799	−0.83 - 1.079
Injection drug	−0.970	0.205	−0.310	−4.727	<0.001	−1.38 - −0.563
HDS	0.048	0.064	0.083	0.751	0.454	−0.079 - 0.176

R²=0.684, P<0.001. SE: Standard error, CI: Confidence interval, SAS: State anxiety score, HAS: Hospital anxiety score, HDS: Hospital depression score