Table 3.

Results of the logistic regression analysis, with group status as dependent variable

Predictor	B	SE	P-value	Exp(B)	95% CI Exp(B)
Physical characteristics
Pain intensity (1 point higher)	−0.61	0.17	0.001	0.55	[0.39–0.76]
Pain duration (>5 years)	1.86	0.68	0.006	6.40	[1.70–24.00]
Psychological characteristics
Pain acceptance (1 point higher)	0.08	0.02	0.002	1.08	[1.03–1.14]
Mental health (1 point higher)	0.07	0.02	0.001	1.07	[1.03–1.12]
Psychological distress (1 point higher)	0.02	0.01	0.036	1.02	[1.00–1.04]
Work characteristics
Perceived workload (1 point higher)	−0.10	0.03	0.002	0.91	[0.85–0.97]

Exp(B) >1 indicated a higher chance to be in the SAW group

χ² = 82.9 (degrees of freedom = 6, n = 151), P < 0.001