Table 4.

The results of Bonferroni’s post-hoc test comparing the mean scores of the students’ structural empowerment in the control and intervention groups before, immediately after and one year after the stydy

Variable Time	Structural empowerment
	Mean difference	Standard error	p-value
Before the study	2.89	3.50	0.415
Immediately after the study	25.40	4.94	< 0.001
One year after the study	6.89	3.58	0.061