Table 2: Correlation matrix (upper part of the diagonal) and variance-covariance matrix among the variables used to build the model. Mean and standard deviations of each variable are reported at the bottom of the table.

	Psychophysical Exhaustion	Relational Deterioration	Professional Inefficacy	Disillusion	Working Compulsively	Working Excessively
Psychophysical Exhaustion	4.18	0.53	0.45	0.66	0.16	0.26
Relational Deterioration	1.95	3.21	0.45	0.57	0.08	0.20
Professional Inefficacy	1.52	1.30	2.66	0.54	0.04	0.15
Disillusion	2.65	2.00	1.73	3.85	0.03	0.19
Working Compulsively	1.01	0.44	0.22	0.19	10.06	0.55
Working Excessively	1.64	1.06	0.72	1.12	5.26	9.21
Mean	5.06	5.97	4.04	4.93	11.20	11.59
S.D.	2.04	1.79	1.63	1.96	3.17	3.03