AI Article Synopsis
- The study aimed to compare the quality of pro- and anti-vaccination websites, highlighting the growing importance of online health information and the need to assess its reliability.
- Using a newly developed 40-category assessment tool, researchers analyzed 1,093 webpages on vaccination, focusing on web design, health content quality, and specific attributes related to vaccination.
- Results indicated that pro-vaccination websites generally provided higher quality information than anti-vaccination sites, though some areas showed no significant differences between the two perspectives.
Article Abstract
Background: The exponential increase in health-related online platforms has made the Internet one of the main sources of health information globally. The quality of health contents disseminated on the Internet has been a central focus for many researchers. To date, however, few comparative content analyses of pro- and anti-vaccination websites have been conducted, and none of them compared the quality of information. The main objective of this study was therefore to bring new evidence on this aspect by comparing the quality of pro- and anti-vaccination online sources.
Methods: Based on past literature and health information quality evaluation initiatives, a 40-categories assessment tool (Online Vaccination Information Quality Codebook) was developed and used to code a sample of 1093 webpages retrieved via Google and two filtered versions of the same search engine. The categories investigated were grouped into four main quality dimensions: web-related design quality criteria (10 categories), health-specific design quality criteria (3 categories), health related content attributes (12 categories) and vaccination-specific content attributes (15 categories). Data analysis comprised frequency counts, cross tabulations, Pearson's chi-square, and other inferential indicators.
Results: The final sample included 514 webpages in favor of vaccination, 471 against, and 108 neutral. Generally, webpages holding a favorable view toward vaccination presented more quality indicators compared to both neutral and anti-vaccination pages. However, some notable exceptions to this rule were observed. In particular, no differences were found between pro- and anti-vaccination webpages as regards vaccination-specific content attributes.
Conclusions: Our analyses showed that the overall quality of pro-vaccination webpages is superior to anti-vaccination online sources. The developed coding scheme was proven to be a helpful and reliable tool to judge the quality of vaccination-related webpages. Based on the results, we advance recommendations for online health information providers as well as directions for future research in this field.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4714533 | PMC |
| http://dx.doi.org/10.1186/s12889-016-2722-9 | DOI Listing |
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