Table 2 Self-report item factor loadings

 1. In general, how would you rate your health?

 2. Have you felt fit and well?

 3. Have you been physical active?

 4. Have you been able to run well?

 5. Have you felt full of energy?

 6. Have you felt that life was enjoyable?

 7. Have you been in a good mood?

 8. Have you had fun?

 9. Have you felt sad?

 10. Have you felt so bad that you didn’t want to do anything?

 11. Have you felt lonely?

 12. Have you been happy with the way you are?

 13. Have you had enough time for yourself?

 14. Have you been able to do the things that you want to do in your free time?

 15. Have you felt that your parent(s) had enough time for you?

 16. Have you felt that your parent(s) treated you fairly?

 17. Have you been able to talk to your parents(s) when you wanted to?

 18. Have you had enough money to do the same things as your friends?

 19. Have you felt that you had enough money for your expenses?

 20. Have you spent time with your friends?

 21. Have you had fun with your friends?

 22. Have you and your friends helped each other?

 23. Have you been able to rely on your friends?

 24. Have you been happy at school?

 25. Have you got on well at school?

 26. Have you been able to pay attention?

 27. Have you got along well with your teachers?

 Eigenvalue

 Percent variance