Health behaviours, body weight and self-esteem among grade five students in Canada

Table 1 Principal component analysis for the 11-item self-esteem scale (n = 4945), the 2003 Children’s Lifestyle and School Performance Study, Nova Scotia

Component	Item description	Factor loading	Eigenvalue	Variance explained (%)
1. Self-perception	2. My future looks good to me	0.52	2.7	24.9
	3. I like the way I look	0.59
	4. I like myself	0.61
2. Externalizing problems	8. I get into physical fights	0.63	1.4	12.9
	10. I bully other kids.	0.66
	11. I have trouble paying attention	0.33
3. Internalizing problems	5. I feel unhappy or sad	0.44	1.3	11.6
	6. I worry a lot	0.61
	7. I cry a lot	0.65
4 Social-perception	1. I feel like I do not have any friends	0.75	0.9	7.9
4 Social-perception	9. I am bullied by other kids	0.50