Table 2.

Prospective effects of the predictor variables and the covariates on RTW at 12 months. Crude estimates from bivariate logistic regression analyses

Variables	Categories a	Men		Women
		OR	95% CI	OR	95% CI
Expectancies of returning to work	[Low or moderate expectancies]	ref
	High expectancies	5.38	2.81–10.33	4.80	2.47–9.35
	Do not know	1.27	0.42–3.79	1.33	0.35–5.01
Job satisfaction	[Very dissatisfied or dissatisfied]	ref
	Neither satisfied or dissatisfied	0.74	0.21–2.67	0.68	0.25–1.84
	Satisfied	1.09	0.33–3.62	1.07	0.45–2.52
	Very satisfied	1.36	0.40–4.64	2.17	0.87–5.39
Gender	a	1.51	1.19–1.92	a	a
Age		1.01	1.00–1.01	1.00	0.996–1.01
Highest completed education	[Primary and secondary]	ref
	Upper secondary	1.45	1.04–2.02	1.10	0.77–1.57
	College/University 1–4 years	1.19	0.67–2.13	1.74	1.08–2.79
	College/University >4 years	1.40	0.44–4.41	1.21	0.60–2.46
	Other	3.40	1.25–9.22	0.25	0.08–0.75
Smoking status	[Smokers]	ref
	Non-smokers	1.64	1.17–2.29	1.06	0.79–1.43
Co-worker social support	[Low Support]	ref
	Moderate support	1.58	0.95–2.64	1.29	0.86–1.92
	High Support	2.16	1.41–3.31	1.07	0.71–1.61
FABQ-Work	[High FAB]	ref
	Moderate FAB	1.41	0.92–2.14	1.54	1.02–2.33
	Low FAB	3.63	2.19–6.03	1.90	1.23–2.94
SHC	[High SHC]	ref
	Moderate SHC	1.12	0.74–1.70	1.02	0.68–1.53
	Low SHC	2.46	1.53–3.95	1.87	1.22–2.88
ODI	[High disability]	ref
	Moderate disability	2.24	1.45–3.47	0.98	0.65–1.46
	Low disability	2.07	1.32–3.25	1.82	1.20–2.77
HSCL-25	[HSCL - ≥ 1.75]	ref
	HSCL - < 1.75	1.7	1.27–2.28	1.19	.88–1.61

Note: Reference categories in brackets

^a Reference category for gender = women