Weinfurt 2008b.

Methods	Randomised controlled trial
Data	Setting: community but recruited through outpatient dept, USA. The 470 participants were 18 or over and diagnosed with coronary artery disease. articipants.
Comparisons	Intervention A: financial disclosure saying that the drug company pays hospital Intervention B: financial disclosure saying that the drug company pays the investigator Comparator: no financial disclosure
Outcomes	Willingness to take part in hypothetical trial
Notes
Risk of bias
Item	Authors' judgement	Description
Random Sequence generation ok?	Unclear	Randomisation mentioned but no more details
Allocation concealment?	Unclear	See above
Blinding of participants and personnel ok?	Unclear	Not clear what participants were told about disclosure study; not clear if interviewers knew allocation
Blinding of outcome assessment ok?	Unclear	See above
Incomplete outcome data handled ok?	Unclear	Only a mean score presented, not absolute numbers so hard to know
Free of selective reporting?	Yes	Willingness to participate outcome presented, which is all the review needs
Was the study free of other bias?	No	Hypothetical trial
Overall bias?	Yes	High risk of bias