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Table 5 Percentage of items not completed and scores missing in each questionnaire

From: Assessment of data quality in a multi-centre cross-sectional study of participation and quality of life of children with cerebral palsy

  Parent Child
Questionnaire % items not completed % scores missing % items not completed % scores missing
Background 2 *   
Impairment 0.4 *   
Life-H 1 2   
Frequency of Participation Questionnaire 1 *   
Strengths and Difficulties Questionnaire 2 2   
Parental Stress Index (Short Form) 1 2   
European Child Environment Questionnaire 3 *   
KIDSCREEN 5 7 2 2
Pain 3 * 2 *
Child Health Questionnaire 3 3   
  1. * Not scored