Table 1.

Means and standard deviations for the total sample and for the two effort-groups for the measures derived from the general questionnaire

	Total sample (N = 93)		Low-effort group (N = 27)		High-effort group (N = 24)
	M	SD	M	SD	M	SD
Age	44.95	7.63	46.74	6.69	44.17	7.80
Work engagement	3.94	0.69	3.92	0.63	4.05	0.67
Fatigue	1.89	0.61	1.87	0.57	2.04	0.60
Work pressure	2.47	0.54	2.23	0.53	2.49	0.60
Job control	3.22	0.42	3.25	0.46	3.30	0.39
Social support colleagues	2.59	0.65	2.62	0.53	2.60	0.66
Social support supervisor	2.35	0.87	2.49	0.79	2.19	0.90
Positive affectivity work	3.61	0.53	3.57	0.62	3.51	0.51
Positive affectivity home	3.59	0.63	3.74	0.71	3.47	0.52
Negative affectivity work	1.93	0.57	1.93	0.50	2.04	0.67
Negative affectivity home	1.83	0.56	1.83	0.59	1.95	0.47
Life events	1.98	1.53	2.04	1.34	2.17	1.81