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Third Molars on the Internet: A Guide for Assessing Information Quality and Readability
Kamal Hanna1, David Brennan, Paul Sambrook
1PhD Candidate, Australian Research Centre for Population Oral Health (ARCPOH), School of Dentistry, The University of Adelaide, Adelaide, South Australia, Australia. kamal.hanna@adelaide.edu.au.
Interactive Journal of Medical Research
|October 8, 2015
Summary
High-quality online information on wisdom tooth problems is crucial for patient decision-making. A new scale (SIQ) effectively measures scientific information quality, revealing many online resources are suboptimal.
Area of Science:
- Oral Surgery
- Health Informatics
- Information Science
Background:
- Directing patients with third molar (TM) issues to reliable online health information is vital for shared decision-making.
- Assessing the quality of online information regarding wisdom tooth problems is a significant challenge.
Purpose of the Study:
- To develop and validate a Scientific Information Quality (SIQ) Scale for online wisdom tooth problem resources.
- To evaluate the quality of online TM resources using the SIQ Scale.
- To assess the reliability of readability software for information comprehension and identify SIQ predictors.
Main Methods:
- A cross-sectional sample of 150 websites was retrieved using keywords like "impacted wisdom tooth problems".
- Fifty websites were evaluated for characteristics, usability, accessibility, trust, readability, SIQ, and credibility (DISCERN, HoNCode).
- Readability Studio Professional 2012 was used to assess information comprehension.
Main Results:
- The SIQ Scale demonstrated good internal consistency (alpha=.85) and strong correlations with DISCERN (r=.82) and HoNCode (r=.38).
- Less than 25% of evaluated websites achieved SIQ scores above 75%.
- Mean readability grade was 10.3, exceeding recommended levels, and correlated with comprehension scores (r=.45). Website affiliation and DISCERN significantly predicted SIQ, explaining 76% of the variance.
Conclusions:
- The developed SIQ Scale is a reliable and valid tool for assessing online scientific information quality on wisdom tooth problems.
- Website affiliation and established quality assessment tools (DISCERN, HoNCode) are key predictors of information quality.
- Readability software provides useful estimates related to scientific information comprehensiveness.
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