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Table 4 Factorial validity of the Japanese version of the PedsQL™ Brain Tumor Module

From: Development of the Japanese version of the Pediatric Quality of Life Inventory™ Brain Tumor Module

  Child-report Parent-report
  (n = 137, 64% of the cumulative variance) (n = 166, 78% of the cumulative variance)
Cognitive Problems             
   It is hard for me to figure out what to do when something bothers me 0.01 0.45 -0.06 0.15 0.06 0.15 0.60 -0.13 0.11 0.18 -0.01 0.08
   I have trouble solving math problems -0.01 0.54 0.25 -0.05 -0.05 -0.21 0.75 0.02 0.06 -0.05 -0.03 0.05
   I have trouble writing school papers or reports 0.05 0.82 -0.02 0.06 -0.02 -0.25 0.79 -0.01 0.01 0.08 0.06 -0.13
   It is hard for me to pay attention to things -0.08 0.63 -0.07 -0.17 0.14 0.31 0.81 0.11 -0.09 -0.11 0.03 0.00
   It is hard for me to remember what I read 0.04 0.68 -0.04 -0.09 0.13 0.18 0.88 0.04 -0.02 -0.03 -0.02 -0.04
   It is hard for me to learn new things -0.01 0.65 0.10 0.14 -0.21 -0.01 0.85 0.04 -0.09 0.01 -0.06 -0.01
   I get mixed up easily 0.03 0.40 -0.07 0.27 -0.06 0.13 0.67 -0.11 0.09 0.03 0.07 0.11
Pain and Hurt             
   I ache or hurt in my joints and/or muscles -0.10 -0.06 -0.02 0.15 -0.05 0.77 -0.03 -0.05 0.01 0.05 0.06 0.82
   I hurt a lot 0.23 0.16 0.11 -0.03 -0.11 0.39 -0.01 -0.01 0.04 -0.02 -0.03 0.94
   I get headaches -0.04 0.03 -0.08 -0.13 0.05 0.38 0.05 0.14 -0.12 -0.04 -0.03 0.55
Movement and Balance             
   It is hard for me to keep my balance -0.01 0.06 -0.05 0.52 0.20 -0.13 0.01 -0.03 0.08 0.81 0.11 -0.04
   It is hard for me to use my legs 0.01 -0.05 0.10 0.85 -0.08 0.06 -0.01 0.01 -0.05 1.00 -0.06 0.01
   It is hard for me to use my hands 0.00 0.05 -0.09 0.87 0.11 -0.05 0.03 0.06 -0.06 0.83 -0.05 0.01
Procedural Anxiety             
   Needle sticks (i.e. injections, blood tests, IVs) hurt me 0.02 0.01 0.72 -0.14 0.11 -0.03 -0.04 0.01 0.89 0.04 0.02 0.03
   I get scared when I have to have blood tests -0.11 0.00 0.74 0.12 0.13 -0.13 0.02 0.04 0.95 -0.04 0.00 -0.06
   I get scared about having needle sticks (i.e. injections, blood tests, IVs) -0.03 0.10 0.89 -0.04 -0.06 0.05 0.01 0.01 0.98 -0.03 -0.04 -0.01
Nausea             
   I become sick to my stomach when I have medical treatments 0.46 -0.16 0.16 -0.02 0.00 0.34 -0.02 0.88 0.05 -0.05 -0.05 0.04
   Food does not taste very good to me 0.79 0.10 -0.04 -0.02 0.01 -0.02 -0.01 0.83 0.04 0.10 -0.15 0.02
   I become sick to my stomach when I think about medical treatments 0.61 -0.06 0.01 -0.01 0.11 0.20 0.08 0.80 0.06 -0.04 -0.01 0.00
   I feel too sick to my stomach to eat 0.80 0.06 -0.14 -0.02 0.22 -0.14 -0.01 0.88 -0.04 -0.01 0.05 0.04
   Some foods and smells make me sick to my stomach 0.96 -0.03 0.00 0.04 -0.26 -0.16 0.01 0.86 -0.04 0.04 0.10 -0.04
Worry             
   I worry about side effects from medical treatments 0.30 -0.06 0.25 0.06 0.33 -0.04 -0.05 0.25 0.02 0.02 0.72 0.04
   I worry about whether or not my medical treatments are working 0.00 -0.01 0.13 0.10 0.65 0.08 -0.07 0.01 0.02 0.05 0.92 -0.03
   I worry that my cancer will come back or relapse -0.02 0.00 0.06 0.06 0.79 -0.05 0.12 -0.16 -0.06 -0.08 0.81 0.01
  1. Factor patterns from a principal factor method with promax rotation. Factor loadings of more than 0.30 are bolded.