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Table 2 Cronbach's alpha for the generic and diabetic module in Iranian children with diabetes and score subscales for diabetic and school children

From: Health related quality of life of Iranian children with type 1 diabetes: reliability and validity of the Persian version of the PedsQL™ Generic Core Scales and Diabetes Module

   Diabetic children School children    
Scale No.items F d.f p-value      
   n mean ± SD α n mean ± SD    
PedsQL™ 4.0 Generic          
Core Scales          
Child self-report          
Total score 23 94 67.98 ± 14.03 0.87 200 78.21+13.23 33.33 (1,292) < 0.001
Physical health 8 94 69.18 ± 17.05 0.77 200 80.06+15.02 29.34 (1,292) < 0.001
Emotional functioning 5 94 59.84 ± 20.41 0.71 200 69.17+19.60 13.93 (1,292) < 0.001
Social functioning 5 94 76.78 ± 18.19 0.73 200 78.62+18.25 1.69 (1,292) 0.194
School functioning 5 94 65.79 ± 18.23 0.73 200 83.90+16.59 52.54 (1,292) < 0.001
Psychosocial health 15 94 67.34 ± 14.72 0.82 200 77.23+14.36 26.15 (1,292) < 0.001
Parent proxy-report          
Total score 23 94 67.03 ± 12.83 0.83 200 74.79+16.22 14.91 (1,292) < 0.001
Physical health 8 94 67.42 ± 16.50 0.73 200 76.00+20.11 12.03 (1,292) 0.001
Emotional functioning 5 94 58.63 ± 18.48 0.73 200 68.02+21.09 16.37 (1,292) < 0.001
Social functioning 5 94 75.16 ± 18.63 0.71 200 81.30+20.90 2.99 (1,292) 0.085
School functioning 5 94 66.65 ± 19.24 0.72 200 73.12+20.68 5.61 (1,292) 0.019
Psychosocial health 15 94 66.81 ± 13.81 0.79 200 74.15+16.59 12.13 (1,292) 0.001
PedsQL™ 3.0 Diabetic          
Module          
Child self-report          
Diabetes symptoms 11 94 59.21 ± 14.46 0.74 - - - - -
Treatment barriers 4 94 58.38 ± 21.51 0.67 - - - - -
Treatment adherence 7 94 60.18 ± 18.12 0.78 - - - - -
Worry 3 94 56.47 ± 23.35 0.71 - - - - -
Communication 3 94 61.08 ± 27.34 0.76 - - - - -
Parent proxy-report          
Diabetes symptoms 11 94 58.57 ± 13.62 0.73 - - - - -
Treatment barriers 4 94 53.53 ± 21.03 0.68 - - - - -
Treatment adherence 7 94 57.60 ± 15.99 0.71 - - - - -
Worry 3 94 56.91 ± 23.01 0.72 - - - - -
Communication 3 94 60.99 ± 25.69 0.70 - - - - -
  1. *P-value is adjusted based on age