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QDCD is an additional questionnaire on developmental coordination disorder in child participants of Lifelines. It was initiated by the Department of Developmental Neurology at the UMCG.
The DCD was sent out together with the child version of the ADHD questionnaire.
The DCD was sent out, alongside the QADH child questionnaire, to the parents of 5,800 participants between 4-12 years old.
The reponse rate was 32% (n=1800).
The following variables were collected: