Table 5

Association between work stress in 2006 and depressive symptoms in 2008

	Unadjusted model				Adjusted for age, sex, education, gross income and depressive symptoms at baseline
	B	SE	β Coefficient	R²	B	SE	β Coefficient	R²
Effort				0.06				0.29
Constant	10.13	0.17^**			5.41	0.53^**
Second quartile	0.53	0.24	0.04^*		0.34	0.22	0.03
Third quartile	1.70	0.25	0.14^**		0.90	0.22	0.08^**
Highest quartile	3.23	0.24	0.27^**		1.52	0.24	0.13^**
Reward
Constant	9.83	0.16^**		0.07	5.23	0.53^**		0.29
Third quartile	0.91	0.25	0.07^**		0.20	0.22	0.02
Second quartile	2.07	0.24	0.17^**		0.76	0.22	0.06^**
Lowest quartile	3.67	0.24	0.31^**		1.21	0.22	0.10^**
Effort–reward ratio
Constant	9.67	0.18^**		0.09	5.40	0.53^**		0.29
Second quartile	0.83	0.24	0.07^**		0.34	0.22	0.03
Third quartile	2.16	0.24	0.18^**		0.90	0.22	0.09^**
Highest quartile	4.18	0.24	0.35^**		1.52	0.23	0.13^**
Over-commitment
Constant	9.54	0.17^**		0.10	5.70	0.52^**		0.29
Second quartile	0.97	0.24	0.08^**		0.42	0.22	0.03
Third quartile	2.61	0.23	0.23^**		1.21	0.22	0.10^**
Highest quartile	4.38	0.24	0.36^**		1.54	0.25	0.13^**