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Factors affecting information retention in orthodontic patients.

Patel JH, Moles DR, Cunningham SJ

University College London Eastman Dental Institute, London, United Kingdom.

INTRODUCTION: Our purpose was to determine the factors that affect patients' retention of information provided in different formats. METHODS: Eighty new patients attending clinics were randomly allocated into 1 of 2 groups. The first group was given a commercial information leaflet about orthodontic treatment, and the second group saw a visual computer program with the same information. Both groups were given additional verbal information. Short- and longer-term retention of information were assessed using a questionnaire. Age, sex, ethnicity, index of relative deprivation of area of residence, and the time taken to view or read the information were recorded. Linear regression analysis was undertaken to assess the relationship between retention of information and these variables. RESULTS: The response rates for the first and second questionnaires were 100% and 67.5%, respectively. The method of information provision was found to be the only statistically significant factor affecting information retention, with the visual computer program group achieving higher scores than the written information leaflet group. CONCLUSIONS: Computer-based visual information was shown to be a better method for information retention. Consequently, it is worth considering providing information to orthodontic patients in a more visual format if it is to be retained most effectively.

Published 14 April 2008 in Am J Orthod Dentofacial Orthop, 133(4): S61-7.
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