Table 1 Comparison of quality items used in the QUEST, HONcode, Sandvik, and DISCERN tools

Attribution

X

X

X

X

Currency

X

X

X

X

Authorship

X

X

X

Balance

X

X

X

Reliability

X

X

Interactivity

X

X

Tone

X

Conflict of interest

X

Complementarity

X

Mission/target

X

Audience

X

Privacy

X

Overall Reliability

X

Ownership

X

Navigability

X

Quality of information on treatment choices

X

Overall Rating

X