Journal
CADERNOS DE SAUDE PUBLICA
Volume 29, Issue 11, Pages 2163-2176Publisher
CADERNOS SAUDE PUBLICA
DOI: 10.1590/0102-311X00150312
Keywords
Breast Neoplasms; Prostatic Neoplasms; Internet
Categories
Funding
- Foundation for Science and Technology (Portuguese Ministry of Education and Science) within the project Health Information of Portuguese Population: Knowledge and Perceived Quality and Accessibility of Health Information Sources [HMSP-IISE/SAU-ICT/0004/2009]
- Fundação para a Ciência e a Tecnologia [HMSP-IISE/SAU-ICT/0004/2009] Funding Source: FCT
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The objective of this study was to assess the quality of the contents related to screening in a sample of websites providing information on breast and prostate cancer in the Portuguese language. The first 200 results of each cancer-specific Google search were considered. The accuracy of the screening contents was defined in accordance with the state of the art, and its readability was assessed. Most websites mentioned mammography as a method for breast cancer screening (80%), although only 28% referred to it as the only recommended method. Almost all websites mentioned PSA evaluation as a possible screening test, but correct information regarding its effectiveness was given in less than 10%. For both breast and prostate cancer screening contents, the potential for overdiagnosis and false positive results was seldom addressed, and the median readability index was approximately 70. There is ample margin for improving the quality of websites providing information on breast and prostate cancer in Portuguese.
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