Table 4.

Univariate logistic regressions with change in pain at 12-months, change in disability at 12-months and RTW within 12 months as outcome variables

	Pain				Disability				RTW
Predictors	OR	95% CI		p-value	OR	95% CI		p-value	OR	95% CI		p-value
Gender	1.29	0.82	2.04	.273	1.17	0.72	1.90	.534	0.99	0.60	1.63	.971
Age	0.97	0.95	0.99	.007**	0.98	0.96	1.00	.115*	0.97	0.94	0.99	,019*
Intervention	1.20	0.76	1.90	.425	1.03	0.63	1.68	.898	0.84	0.51	1.38	.489
Mother tongue	0.71	0.40	1.29	.266	0.55	0.28	1.09	.086*	1.02	0.53	1.94	.958
Lower education	REF				REF				REF
Medium education	1.44	0.71	2.93	.317	0.97	0.46	2.04	.937	0.75	0.34	1.66	,484
Higher education	1.37	0.63	2.95	.425	0.90	0.40	2.01	.793	0.99	0.42	2.34	,981
low skilled blue collar	REF				REF				REF
high skilled blue collar	0.95	0.44	2.03	.889	1.13	0.50	2.54	.771	0.80	0.34	1.86	.605
low skilled white collar	0.96	0.48	1.94	.915	0.78	0.37	1.67	.527	1.05	0.48	2.32	.903
high skilled white collar	0.97	0.47	2.00	.932	1.15	0.54	2.48	.714	0.78	0.35	1.74	.547
Improvement in FABQ-Wa	2.46	1.18	5.10	.016**	2.70	1.23	5.92	.013**	3.33	1.30	8.51	.012**
Improvement in FABQ-Pb	1.81	0.85	3.86	.125*	3.18	1.40	7.22	.006**	1.77	0.74	4.22	.196*
Derpession score at baseline	1.03	0.96	1.09	.420	0.99	0.93	1.06	.801	0.97	0.91	1.04	.357
Anxiety score at baseline	1.04	0.98	1.10	.220	,983	0.92	1.05	.603	0.93	0.87	0.99	.032**

^aFear avoidance beliefs of work, ^bFear avoidance beliefs of physical activity, **significant at level p < 0.05, *significant at level p < 0.2.