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Type: Journal article
Title: Australian population norms for the Index of Dental Anxiety and Fear (IDAF-4C)
Author: Armfield, J.
Citation: Australian Dental Journal, 2011; 56(1):16-22
Publisher: Australian Dental Assn Inc
Issue Date: 2011
ISSN: 0045-0421
Statement of
JM Armfield
Abstract: Background:  The Index of Dental Anxiety and Fear (IDAF-4C) is a theoretically derived test developed to allow clinicians and researchers to measure a person’s level of dental fear. Population norms have not previously been made available for the IDAF-4C. The aim of this study was to provide Australian norms for the IDAF-4C using percentile ranks and to examine associations between scores and individual-level characteristics, dental avoidance and fear of pain. Methods:  A stratified random sample of 1511 Australian adults yielded complete questionnaire data for 1063 individuals (70.4%). Percentile ranks were calculated for IDAF-4C full scale scores stratified by age and gender. Results:  IDAF-4C mean scores varied significantly by age, gender, income, and speaking a language other than English at home. Tables to convert raw scores to percentiles showed that full scale scores varied by age and gender. Scores on the IDAF-4C had strong and significant associations with avoidance of the dentist due to fear, average dental visiting frequency and anxiety about pain when going to the dentist. Conclusions:  Population norms allow clinicians or researchers to compare results for an individual or subgroup to the Australian population. It is recommended that a dental fear scale be used to screen all dental patients for dental fear to enable a more tailored and effective dental treatment experience.
Keywords: Humans
Cross-Sectional Studies
Dental Care
Dental Anxiety
Age Factors
Sex Factors
Reference Values
Socioeconomic Factors
Middle Aged
Educational Status
Young Adult
Surveys and Questionnaires
Rights: © 2010 Australian Dental Association
DOI: 10.1111/j.1834-7819.2010.01279.x
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Dentistry publications

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