Reliability and validity of a faces version of the Modified Child Dental Anxiety Scale

Karen E. Howard, Ruth Freeman

    Research output: Contribution to journalArticlepeer-review

    88 Citations (Scopus)

    Abstract

    Background. A new version of the Modified Child Dental Anxiety Scale (MCDAS) was formed by adding a faces rating scale to the original numeric form.

    Aims. To describe the psychometric properties of the faces version of the Modified Child Dental Anxiety Scale (MCDASf), and to provide normative data for dental anxiety for children using the MCDASf.

    Design. To determine the test–retest reliability, 287 schoolchildren aged 8–10 years completed the MCDASf on two separate occasions 17 weeks apart. To determine the criterion validity, 207 schoolchildren aged 10–12 years completed the MCDASf and the CFSS-DS at the same sitting. Construct validity was assessed using a cohort of 206 consecutive child dental patients and their parents.

    Results. The MCDASf showed good test–retest reliability (intraclass correlation coefficient = 0.80) and internal consistency (Cronbach's alpha = 0.82). The MCDASf significantly correlated with the CFSS-DS (r = 0.80, P < 0.001). Dental anxiety assessed using the MCDASf was related to the dmft (t = -2.17, P = 0.03), DMFT (t = -4.19, P < 0.001), and dental general anaesthetic experience (t = -4.46, P < 0.01). The mean MCDASf score for the normative sample (n = 475) was 19.81 (95% CI: 19.20, 20.43).

    Conclusions. The MCDASf is a reliable and valid measure of dental anxiety in children aged 8–12 years
    Original languageEnglish
    Pages (from-to)281-288
    Number of pages8
    JournalInternational Journal of Paediatric Dentistry
    Volume17
    Issue number4
    DOIs
    Publication statusPublished - 2007

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