Associations between symptoms of eating disturbance and frequency of physical activity in a non-clinical, population-based sample of adolescents

Table 1 Principal component analysis of the five items in the EDS-5 questionnaire

	Factor loadings on 1 component
	Girls (n = 5266)	Boys (n = 4611)
EDS Item 1	0.68	0.35
EDS Item 2	0.60	0.71
EDS Item 3	0.84	0.82
EDS Item 4	0.67	0.71
EDS Item 5	0.79	0.71
Total variance accounted for by component	51.8	46.0

ISSN: 2050-2974