Abstract
BackgroundThe Modified Dental Anxiety Scale (MDAS) is a brief, self-complete questionnaire consisting of five questions and summed together to produce a total score ranging from 5 to 25. It has reasonable psychometric properties, low instrumental effects and can be integrated into everyday dental practice as a clinical aid and screen for dental anxiety. The objectives were to (i) produce confirmatory evidence of reliability and validity for the MDAS, (ii) provide up-to-date UK representative norms for the general public to enable clinicians to compare their patients' scores, (iii) to determine the nature of the relationship between dental anxiety and age.MethodsTelephone survey of a representative quota sample of 1000 UK adults (>18 years of age) conducted between 7–21 April, 2008.ResultsAttrition of potential participants was high in the recruitment process, although bias was minimal. Estimated proportion of participants with high dental anxiety (cut-off score = 19) was 11.6%. Dental anxiety was four times greater in the youngest age group (18–39 yrs) compared to older participants (60+ yrs), controlling for sex, social class and self-reported dental visiting behaviour confirming previous developed-world reports.ConclusionThe scale's psychometrics is supportive for the routine assessment of patient dental anxiety to compare against a number of major demographic groups categorised by age and sex. Dental anxiety was high in younger compared to older people.
Highlights
The Modified Dental Anxiety Scale (MDAS) is a brief, self-complete questionnaire consisting of five questions and summed together to produce a total score ranging from 5 to 25
Dental anxiety remains a barrier to dental care for a consistent proportion of the population [1]
The aims of this paper were threefold: first, to confirm the factorial validity of the MDAS and present a precise reliability estimate; second, to report a set of norms for the public within the UK for clinicians to utilise for comparison with their patients' scores; and lastly, to determine the nature of the relationship between dental anxiety and age
Summary
The Modified Dental Anxiety Scale (MDAS) is a brief, self-complete questionnaire consisting of five questions and summed together to produce a total score ranging from 5 to 25. It has reasonable psychometric properties, low instrumental effects and can be integrated into everyday dental practice as a clinical aid and screen for dental anxiety. Dental anxiety remains a barrier to dental care for a consistent proportion of the population [1]. This is disappointing as improvements in oral health over the past three decades have reduced restorative treatment in many developed countries.
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