Abstract
This study presents a measure to assess dental anxiety in children. To gain a better understanding of children's fear and anxiety in the dental setting, instruments to gather data with high quality are necessary and missing, especially in the German language. Based upon the facet approach, the Questionnaire to Assess Dental Anxiety in Children (QADA-C) includes items concerning anxiety reactions in thinking, behavior, and feelings in the form of short statements. The item formulation was adapted for children of the target age (9-11 years), and items were presented with pictures of dental situations. Item and reliability analyses in a sample of 1019 children showed the good quality of the instrument (Cronbach's alpha = 0.89), and the validity indicators revealed its ability to differentiate high-anxiety, low-anxiety, and non-anxious children with an overall sum score. This score was proven to correlate with oral health criteria (decayed/missing/filled teeth, oral health behavior, oral health knowledge). Its easy administration and appropriateness for children make the questionnaire applicable in the dental office for clinical purposes as well as in research contexts.
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