Table 1.

Descriptive statistics of the sample

	Acute		Chronic		General population		Total
	n = 129		n = 198		n = 223		n = 550
	n	%	n	%	n	%	n	%
Sex
Male	61	47%	123	62%	90	40%	274	50%
Age
years mean (SD)	11.6 (1.9)		12.2 (1.9)		11.3 (1.6)		11.3 (1.6)
Medical condition
None	0	0%	0	0%	199	89%	199	36%
Physical disability	0	0%	87	44%	0	0%	87	16%
Orthopaedic	83	64%	0	0%	0	0%	83	15%
Learning difficulty*	0	0%	95	48%	0	0%	95	17%
Medical	18	14%	6	3%	1	0%	25	5%
Respiratory, eczema and/allergy	3	2%	7	4%	20	9%	30	5%
Surgical	13	10%	0	0%	0	0%	13	2%
Other†	12	9%	3	0	3	1%	18	3%

*Learning difficulties includes attention deficit (hyperactive) disorder, autism spectrum disorder, dyslexia and specific learning disability. ^†Other includes epilepsy, diabetes, and congenital cardiac lesion