The Child Dental Control Assessment (CDCA) measures children's preferred control strategies in the dental situation.
Three studies are reported, assessing aspects of this instrument in youths from the USA, Japan and Australia. In particular,
measurements were made as to the reliability and validity of this instrument in this age group in the three cultures, as well as comparing
some results across cultures. STUDY DESIGN: These studies used a questionnaire design.
Questionnaires (including the
CDCA and other measures) were given to youths aged 11-15 in the three cultures. In one culture, youths received the questionnaire
twice, to compute test-retest reliability.
The measure's reliability and validity were similar to those of other measures. The
CDCA behaves similarly to the Revised Iowa Dental Control Index (R-IDCI). Youths in all three cultures showed similar responses,
although the Japanese were less likely to endorse items. STATISTICS: Internal reliability of the scale ranged from 0.74 to 0.85. Test-
retest reliability was 0.74. Participants in the High Desire/Low Predicted classification on the R-IDCI scored higher on the CDCA (t (73) =
2.9, p<.01). In the Japanese and Australian samples the correlation between CDCA and dental fear was 0.29-0.33 (p<.001). The Australian and USA samples scored significantly higher than the Japanese sample (overall F(2,1544) = 383.98, p<.001, followed by Tukey's HSD, p<.001). CONCLUSIONS: These results provide evidence for the reliability and validity of the CDCA in youth. It appears to measure the discrepancy between Desired and Predicted Control identified in the Revised Iowa Dental Control Index (R-IDCI). Responses of the youth in all three cultures were similar, indicating common dental control preferences for individuals of this age. However, consistent with cultural values, Japanese youth were less likely to endorse the control strategies. These results underline the need to develop culturally-specific, as well as situationally-specific control measures.
Vol.6 – n.1/2005
Harvard: T. Coolidge, M. Heima, L. J. Heaton, Y. Nakai, Hskuldsson, T. A. Smith, P. Weinstein, P. Milgrom (2005) "The Child Dental Control Assessment (CDCA) in youth: reliability, validity and cross-cultural differences", European Journal of Paediatric Dentistry, 6(1), pp35-43. doi:
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