Published Online: June 3, 2013. doi:10.1001/jamainternmed.2013.6477
Acquisition of data: Kakkar, Jacobson.
Analysis and interpretation of data: Jacobson.
Drafting of the manuscript: Kakkar, Jacobson.
Critical revision of the manuscript for important intellectual content: Jacobson.
Statistical analysis: Jacobson.
Administrative, technical, and material support: Kakkar, Jacobson.
Study supervision: Jacobson.
Conflict of Interest Disclosures: None reported.
Previous Presentation: Findings from this study were presented as a poster at Digestive Disease Week (Kakkar A, Jacobson BJ. Internet-based education and “physician compare” websites may discriminate against older and disadvantaged patient populations); May 7-10, 2011; Chicago, Illinois.
Trial Registration: clinicaltrials.gov Identifier:NCT01099553