Table 4.

Effect of factors on the need for changes.

Assessment of demands, control and support	Assessment of desired changes
	Scale of the desired changes	Need for change
Scale of demands	0.31 (p = 0.0000***)	0.31 (p = 0.0000***)
Intellectual demands	0.14 (p = 0.0001***)	0.14 (p = 0.0001***)
Psychophysical demands	0.18 (p = 0.0000***)	0.19 (p = 0.0000***)
Conflictuality and overload	0.36 (p = 0.0000***)	0.35 (p = 0.0000***)
Scale of control	−0.33 (p = 0.0000***)	−0.33 (p = 0.0000***)
behavioral control	−0.25 (p = 0.0000***)	−0.25 (p = 0.0000***)
Cognitive control	−0.27 (p = 0.0000***)	−0.26 (p = 0.0000***)
Scale of social support	−0.41 (p = 0.0000***)	−0.41 (p = 0.0000***)
Support from superiors	−0.44 (p = 0.0000***)	−0.45 (p = 0.0000***)
Support from colleagues	−0.28 (p = 0.0000***)	−0.27 (p = 0.0000***)

^***correlation statistically very highly significant.