Table 3.

Relationship between spine pain, physical activity and school-related data

			Neck pain			Back pain		Low back pain		Spine pain
			n		p	n	p	n	p	n	p
Physical activity	Extracurricular		10		p = 0.259	7	p = 0.377	12	p = 0.183	21	p = 0.390
	Curricular activity		10			6		11		16
	No		1			2		3		3
Number of hours / week dedicated to PA			-		p = 0.085	-	p = 0.825	-	p = 0.548	-	p = 0.250
Type of school	Public		6		p = 0.714	10	p = 0.890	17	p = 0.715	13	p = 0.900
	Private		15			5		9		27
Mode of transport to school	Walking		1		p = 0.389	2	p = 0.898	3	p = 0.792	3	p = 0.270
	Private car		20			13		23		37
	Public transport		0			0		0		0
Type of school bag		backpack	13	p = 0.143		13	p = 0.176	19	p = 0.034	27	p = 0.032
		Rolling bag	4			1		3		7
		Hand bag	4			1		4		6
Weight of school bag			-	p = 0.533		-	p = 0.753	-	p = 0.276	-	p = 0.630
School absenteeism			-	p < 0.001		-	p < 0.001	-	p < 0.001	-	p < 0.001
Participation in sports			-	p < 0.001		-	p < 0.001	-	p < 0.001	-	p < 0.001
Consultation with doctor or physiotherapist/chiropractor			-	p < 0.001		-	p < 0.001	-	p < 0.001	-	p < 0.001