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Performance of the Index of Dental Anxiety and Fear in a population‐based sample of adults
Author(s) -
Ibrahim H,
Lyons KM,
Armfield JM,
Thomson WM
Publication year - 2017
Publication title -
australian dental journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.701
H-Index - 71
eISSN - 1834-7819
pISSN - 0045-0421
DOI - 10.1111/adj.12541
Subject(s) - anxiety , dental fear , medicine , population , clinical psychology , scale (ratio) , cross sectional study , psychology , psychiatry , dentistry , environmental health , physics , pathology , quantum mechanics
Background The Index of Dental Anxiety and Fear ( IDAF ‐4C) was introduced to overcome the theoretical and practical shortcomings of previously developed dental fear measures. This new scale has not been tested on population samples other than in its country of origin, Australia. The aim of this study was to validate the IDAF ‐4C in a different cultural setting and to determine the prevalence and sociodemographic associations of dental anxiety. Methods A cross sectional study of a representative New Zealand adult population sample was undertaken. The questionnaire was mailed to 523 randomly‐selected participants. Data were collected on sociodemographic characteristics, oral and general health care, and dental anxiety using both the IDAF ‐4C and the Dental Anxiety Scale ( DAS ). Results The response rate was 51.8%. The factor structure of the IDAF ‐4C was confirmed. The prevalence estimates for high dental anxiety and fear were 18.6% using the DAS and 13.0% using the IDAF ‐4C. Mean scores for the IDAF ‐4C and DAS were higher among episodic dental visitors and those without a recent dental visit. Conclusions The performance of the IDAF ‐4C in this New Zealand community sample supports its use for dental anxiety measurement.

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