Table 1.

Consumer queries (n=16) with reformulated queries (n=18) and search goals

Participant's Question	Query Text (reformulated queries in italics)	Precision of Search 0 - No retrieved documents with gold standard answer Ø - No retrieved documents
		MedlinePlus Google
Are there any natural substitutes for the hormone replacement therapy agent Prempro?	natural alternative hrt natural alternative hormone replacement therapy
	natural hrt natural hormone replacement therapy
Are there support groups for restless legs syndrome?	restless leg syndrome restless legs syndrome
General information about heart transplants	heart transplant heart transplantation
General information about petit mal seizures	petit mal seizure epilepsy, absence
General information about plagiocephaly	flat head plagiocephaly
How are arrhythmias treated?	heart arrhythmia treatment arrhythmia treatment heart arrhythmia therapeutic aspects
How are the results of the anti-TPO thyroid lab test interpreted?	thyroid abs test thyroid antibody studies
How do problems with the heart's electric system lead to shortness of breath?	heart electric heart conduction system
Is there treatment for restless legs syndrome?	restless leg syndrome restless legs syndrome
What are scientifically validated treatments for cancer?	herbal treatment cancer herbal therapeutic aspects cancerherbal treatment malignant neoplasms
What are the risk factors for stroke?	stroke cerebrovascular accident
What are the side effects of Lexapro?	ssri selective serotonin re-uptake inhibitor
What causes heart flutters (palpitations)?	heart flutters fluttering heart
What foods should be avoided to prevent cavities in children?	cavity dental caries
Why can't you have an MRI with a pacemaker?	contraindications mri contraindications magnetic resonance imaging