Back pain in physically inactive students compared to physical education students with a high and average level of physical activity studying in Poland

Table 1 Incidence of BP with regard to the year of studies depending on the active or inactive character of studies (n = 1311)

	Students		Students					PE students
	T (PIS/PES)		PIS			TPES (UT/T)		UT			T
	n	%	n	%	p value	n	%	n	%	p value	n	%
BP incidence
TOTAL	(n = 1311)		(n = 739)			(n = 572)		(n = 317)			(n = 255)
No	384	29.3	219	29.6	(NS)	165	28.8	102	32.2	<0.05	63	24.7
Yes	927	70.7	520	70.4	(NS)	407	71.2	215	67.8	<0.05	192	75.3
BP incidence With regard to the year of studies
1st-year students	(n = 462)		(n = 278)			(n = 184)		(n = 105)			(n = 79)
No	186	40.3	112	40.3	(NS)	74	40.2	46	43.8	(NS)	28	35.4
Yes	276	59.7	166	59.7	(NS)	110	59.8	59	56.2	(NS)	51	64.6
2nd-year students	(n = 510)		(n = 294)			(n = 216)		(n = 115)			(n = 101)
No	163	32.0	84	28.6	(NS)	79	36.6	49	42.6	<0.05	30	29.7
Yes	347	68.0	210	71.4	(NS)	137	63.4	66	57.4	<0.05	71	70.3
3rd-year students	(n = 339)		(n = 167)			(n = 172)		(n = 97)			(n = 75)
No	35	10.3	23	13.8	<0.05	12	7.0	7	7.2	(NS)	5	6.7
Yes	304	89.7	144	86.2	<0.05	160	93.0	90	92.8	(NS)	70	93.3
p value	<0.05		<0.05			<0.05		<0.05			<0.05

BP back pain, NS statistically insignificant, PIS physically inactive students, PES physical education students, UT untrained PE students, T trained PE students, T total, TPES all PE students