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Table 5 Discriminant validity: correlation between CHAQ domains and disability index with the scales

From: Psychometric properties of the Child Health Assessment Questionnaire (CHAQ) applied to children and adolescents with cerebral palsy

CHAQ Dressing Arising Eating Walking Hygiene Reach Grip Activities D. Index E. pain E. overall
Dressing 1.00*           
Arising 0.29* 1.00*          
Eating 0.68* 0.43* 1.00*         
Walking 0.43* 0.66* 0.51* 1.00*        
Hygiene 0.72* 0.56* 0.66* 0.62* 1.00*       
Reach 0.42* 0.47* 0.48* 0.54* 0.55* 1.00*      
Grip 0.57* 0.56* 0.65* 0.55* 0.67* 0.44* 1.00*     
Activities 0.51* 0.38* 0.46* 0.53* 0.55* 0.33* 0.50* 1.00*    
D. Index 0.72* 0.74* 0.78* 0.77* 0.86* 0.69* 0.82* 0.66* 1.00*   
E. pain -0.04 0.05 0.00 0.01 -0.05 0.20 0.08 0.06 0.07 1.00*  
E. overall 0.10 0.06 0.09 0.12 0.13 0.07 0.11 0.10 0.17 0.52* 1.00*
  1. *Pearson's correlation coefficient was significant at the 0.01 level
  2. D. Index. = Disability Index; E. pain = Evaluation of pain; E. overall = Evaluation of overall well-being