Table 6.

Comparison of the mean values of the tested parameters in the groups of physically active and inactive students (Student t-test for independent groups).

Parameters	Regular Physical Activity	T1				T2
		N	Mean	SD	p	N	Mean	SD	p
BDI total	Yes	73	7.4	5.5	0.0467 *	75	8.4	6.8	0.0185 **
	No	37	9.5	5.5		35	11.7	6.8
Emotional part	Yes	73	5.1	3.9	0.0638	75	5.9	5.6	0.0409 *
	No	37	6.4	4.5		35	7.8	4.9
Somatic part	Yes	73	2.3	2.6	0.0714	75	2.5	2.7	0.0113 **
	No	37	3.1	2.8		35	3.8	2.9
PSQ total	Yes	73	51.5	27.6	0.3259	75	51.2	29.0	0.0295 *
	No	37	53.0	27.6		35	58.2	29.0
Emotional strain	Yes	73	18.6	7.3	0.0862	75	18.1	7.2	0.0009 **
	No	37	20.5	6.0		35	22.7	7.0
External stress	Yes	73	16.4	5.5	0.2639	75	16.4	5.7	0.2493
	No	37	15.7	4.2		35	17.2	5.3
Internal stress	Yes	73	16.1	5.8	0.2935	75	16.4	7.1	0.0968
	No	37	16.7	5.7		35	18.3	6.7
SOC-29 total	Yes	73	137.7	21.6	0.2168	75	137.5	25.4	0.0403 *
	No	37	134.5	16.4		35	128.5	21.8
Comprehensibility	Yes	73	46.3	8.3	0.1974	75	45.2	9.3	0.1252
	No	37	44.9	7.1		35	43.1	8.0
Manageability	Yes	73	50.0	8.9	0.2699	75	49.1	10.4	0.1039
	No	37	48.9	7.3		35	46.4	9.2
Meaningfulness	Yes	73	41.5	7.1	0.2874	75	43.2	8.4	0.0067 **
	No	37	40.7	6.1		35	38.9	6.9

BDI, Back Depression Inventory; PSQ, Perceived Stress Questionnaire; SOC-29, Sense of Coherence. Questionnaire; T1, Initial results; T2, Final results after two years of education; * statistical significance (p < 0.05); ** statistical significance after Bonferroni correction (p < 0.025).