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Type: Conference item
Title: Quality and readability of online information concerning wisdom tooth problems
Author: Hanna, K.M.
Brennan, D.
Sambrook, P.
Armfield, J.
Citation: Programme and Abstract Book: 54th Annual Scientific Meating of the International Association for Dental Research Australian & New Zealand Division, 2014, pp.125-126
Publisher: International Association for Dental Research
Publisher Place: Australia
Issue Date: 2014
Conference Name: 54th Annual Scientific Meating of the International Association for Dental Research Australian & New Zealand Division (28 Sep 2014 - 30 Sep 2016 : Brisbane)
Statement of
K.M.B. Hanna, D. Brennan, J.M. Armfield, and P. Sambrook
Abstract: Background: Providing guidance about the quality and accessibility of online patient information for people suffering from wisdom teeth problems is not only medically and legally important, but could also enable better engagement in shared clinical decision-making. Objectives: (1) to conduct quality and readability assessments for online information concerning wisdom teeth problems; (2) to validate a readability software (Readability Studio Professional 2012) in measuring information comprehension and (3) to explore predictors for the scientific information quality (SIQ scale that assesses the scientific information quality of treatment options, risks/benefits and other information aspects). 126 Methods: A cross-sectional sample of websites was retrieved via Internet searches for “wisdom tooth removal”, “wisdom tooth extraction”, or “impacted wisdom tooth problems” using Google, Yahoo and Bing search engines. The first 50 websites of each engine output were considered in the study. After filtering websites, the retained websites were evaluated using a standard set of items to assess their characteristics, usability, accessibility, trust, readability, SIQ, health information credibility tools (DISCERN, HoNCode), and an open comment section. Results : A total of 50 websites were retained for final evaluation. Websites’ mean sub-scale scores varied significantly across website affiliation groups such as governmental, commercial, and treatment provider bodies. The SIQ scale had a good internal consistency (alpha=0.85) and was significantly correlated with DISCERN ( r =0.82, p <0.01) and HoNCode ( r =0.38, p <0.01). Less than 25% of websites had SIQ scores above 75%. The mean readability grade=10.3 (SD=1.9) was above the level recommended by health authorities. The mean readability grade was significantly correlated with scientific information comprehension scale ( r =0.45. p <0.01) which provides evidence for convergent validity. Website affiliation explained more than 90% of SIQ variance. Conclusion: Readability Studio Professional is a valid readability software application for assessing health websites comprehensibility. Website affiliation, DISCERN and HoNCode significantly predicted SIQ.
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Dentistry publications

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