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Table 4 Intraclass correlation coefficients (ICC) for the original instrument MMQL – adolescent form (n = 120)

From: Psychometric evaluation of a Swedish version of Minneapolis-Manchester quality of life-youth form and adolescent form

Item n ICC 95% CI
1. I have a lot of energy 119 0.477 0.33 - 0.61
2. I need time out to rest during the day 118 0.532 0.39 - 0.65
3. I have a lot of energy for running or sports 118 0.611 0.49 - 0.71
4. I cannot do many activities because of my arms or legs 118 0.346 0.18 - 0.50
5. I cannot do many activities because of my health 119 0.505 0.36 - 0.63
6. In games and sports, I like to watch rather than take part 119 0.529 0.39 - 0.65
7. Sad 119 0.698 0.59 - 0.78
8. Angry 119 0.587 0.46 - 0.69
9. Tired during the day 119 0.571 0.44 - 0.68
10. Lonely 118 0.686 0.58 - 0.77
11. Frightened 119 0.429 0.27 - 0.57
12. Anxious or nervous 117 0.433 0.27 - 0.57
13. Strong and healthy 117 0.370 0.20 - 0.52
14. Worried about dying 119 0.637 0.52 - 0.73
15. Worried about my health 118 0.396 0.23 - 0.54
16. Worried about things in general 115 0.331 0.16 - 0.48
17. Not as good as most people (inferior to them) 119 0.361 0.20 - 0.51
18. How satisfied are you with your weight? 118 0.447 0.29 - 0.58
19. How happy are you with the way you look? 115 0.571 0.43 - 0.68
20. How do you feel about your body development right now? 114 0.248 0.68 - 0.41
21. I like my body the way it is 118 0.590 0.46 - 0.70
22. When others look at me they think that I am poorly developed 116 0.620 0.49 - 0.72
23. I am uncomfortable with the way my body is developing 118 0.385 0.22 - 0.53
24. I find it difficult to make friends 118 0.529 0.39 - 0.65
25. I feel left out in groups of people my own age 117 0.549 0.41 - 0.67
26. People like to be with me 116 0.538 0.39 - 0.66
27. I have a lot in common with my friends 117 0.475 0.32 - 0.60
28. I get along well with people own age 118 0.374 0.21 - 0.52
29. I have many close friends 117 0.581 0.45 - 0.70
30. I have similar hobbies and interests to those of people my own age 118 0.648 0.53 - 0.74
31. Being togheter with other people gives me a good feeling 118 0.357 0.19 - 0.51
32. Do you have difficulty concentrating at school? 118 0.544 0.40 - 0.66
33. Do you have difficulty concentrating at other times (e.g., playing cards, computer games or reading) 118 0.566 0.43 - 0.68
34. How often is homework or study hard for you? 116 0.638 0.52 - 0.73
35. How often do you need more help with school work than others in your class? 118 0.437 0.28 - 0.57
36. How much difficulty do you have remembering things at school/college or work? 117 0.550 0.41 - 0.66
37. How much difficulty do you have concentrating at work or school? 117 0.624 0.50 - 0.72
38. How much difficulty do you have with reading and writing? 117 0.582 0.45 - 0.69
39. How much difficulty do you have with math and calculation? 116 0.562 0.42 - 0.68
40. How much difficulty do you have with your school work, compared to others in your class? 116 0.591 0.46 - 0.70
41. I find it easy ti have an intimate relationship 116 0.612 0.48 - 0.71
42. I am confident when I am with people of the opposite sex 115 0.763 0.67 - 0.83
43. I am happy with the way things are 117 0.519 0.37 - 0.64
44. I am happy with life in general 116 0.589 0.46 - 0.70
45. In general, I am satisfied with my current life situation 117 0.516 0.37 - 0.64