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Table 2 Factor loadingsa of six factor solution of the KINDL

From: Assessing whether child and parent reports of the KINDL questionnaire measure the same constructs of quality of life in children with attention-deficit hyperactivity disorder

  Child self-reports Parent proxy-reports
F1 F2 F3 F4 F5 F6 F1 F2 F3 F4 F5 F6
Physical well-being
1. I felt ill 0.15 0.60 − 0.15 0.25 0.19 − 0.15 0.78 0.11 − 0.11 0.18 0.20 0.06
2. I was in pain 0.50 0.42 − 0.10 0.17 0.11 − 0.10 0.77 0.09 − 0.01 0.05 0.05 0.04
3. I was tired and worn-out 0.09 0.75 0.06 0.00 0.03 0.06 0.73 0.21 0.12 0.13 0.00 0.04
4. I felt strong and full of energy 0.73 0.28 0.14 − 0.16 0.11 0.14 0.52 − 0.09 0.46 − 0.14 0.01 − 0.02
Emotional well-being
1. I had fun and laughed a lot 0.27 0.45 0.34 0.10 0.22 0.60 0.13 0.51 0.43 0.17 0.06 − 0.24
2. I was bored − 0.02 0.77 0.10 0.06 0.20 0.26 0.01 0.64 − 0.17 − 0.22 0.25 − 0.08
3. I felt alone 0.15 0.60 − 0.15 0.32 0.14 − 0.02 0.16 0.78 0.04 0.14 0.02 0.02
4. I felt scared or unsure of myself 0.09 0.64 − 0.05 0.38 − 0.06 − 0.01 0.14 0.74 0.15 0.13 − 0.08 0.19
Self-esteem
1. I was proud of myself 0.14 − 0.02 0.84 0.14 − 0.01 0.12 0.00 0.05 0.80 0.03 0.09 − 0.03
2. I felt on top of the world − 0.10 − 0.30 0.69 0.08 0.07 − 0.10 0.06 − 0.06 0.73 − 0.17 − 0.15 0.12
3. I felt pleased with myself 0.20 0.10 0.61 0.17 0.26 − 0.04 − 0.04 0.08 0.77 0.19 0.16 0.16
4. I had lots of good ideas − 0.07 0.05 0.68 0.04 0.07 0.25 0.03 0.10 0.54 − 0.07 0.22 0.29
Family             
1. I got on well with my parents 0.01 0.11 0.32 0.67 0.17 0.17 0.03 − 0.16 0.20 0.66 0.32 0.17
2. I felt fine at home 0.35 0.12 0.30 0.62 0.12 0.02 0.08 0.10 0.42 0.48 0.43 0.00
3. We quarreled at home 0.06 0.19 0.02 0.61 0.02 0.20 0.04 0.17 − 0.07 0.69 0.14 0.16
4. I felt restricted by my parents − 0.01 0.23 − 0.06 0.64 0.16 0.14 0.20 0.05 − 0.12 0.74 − 0.09 0.03
Friends
1. I did things together with my friends − 0.06 − 0.02 0.26 − 0.01 0.70 0.33 0.02 − 0.01 0.10 − 0.19 0.72 0.09
2. I was a "success" with my friends 0.16 0.03 0.21 0.16 0.72 − 0.11 0.11 0.07 − 0.01 0.20 0.79 0.01
3. I got along well with my friends 0.10 0.18 0.03 0.18 0.78 − 0.03 0.10 − 0.08 − 0.03 0.23 0.68 0.08
4. I felt different from other children 0.09 0.49 − 0.23 0.08 0.52 0.18 0.01 0.18 0.12 0.07 0.50 0.01
School
1. doing the schoolwork was easy 0.58 0.02 0.13 0.24 0.00 0.55 0.04 − 0.06 0.23 0.00 0.37 0.63
2. I found school interesting 0.62 0.04 − 0.03 0.26 0.15 0.49 − 0.05 − 0.04 0.25 − 0.01 0.41 0.63
3. I worried about my future 0.06 0.11 0.04 0.17 0.10 0.72 0.03 0.12 − 0.02 0.25 0.00 0.73
4. I worried about getting bad marks − 0.04 0.08 0.11 0.13 − 0.01 0.76 0.10 0.00 0.04 0.08 − 0.16 0.78
  1. Extraction method: principal component with varimax rotation
  2. F1: Physical functioning, F2: emotional well-being, F3: self-esteem, F4:family, F5: friends, F6: school, factor loadings greater than 0.4 have been bolded
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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