Ives 2001.

Methods	Randomised controlled trial
Data	Setting: secondary care, UK. 50 patients attending an HIV hospital clinic
Comparisons	Investigated the effect of different trial information methods Standard trial information plus booklet entitled, 'Clinical Trials in HIV and AIDS: Information for people who are thinking about joining a trial'. This was compared to standard trial information (information sheet specific to proposed trial, plus discussion with trial doctor and research nurse)
Outcomes	Proportion recruited to trial
Notes
Risk of bias
Item	Authors' judgement	Description
Random Sequence generation ok?	Yes	Randomisation done sequence of numbered envelopes
Allocation concealment?	Yes	See above
Blinding of participants and personnel ok?	Yes	Patients and investigators not blinded. Not clear if interviewers were the investigators and therefore blind or unblinded. Unlikely to have affected outcome
Blinding of outcome assessment ok?	Yes	Partial (see above) but objective outcome
Incomplete outcome data handled ok?	Unclear	50 were randomised but outcome data available for only 31, most of whom had joined a trial. There were some difference between those who provide only baseline data and those who provided follow‐up data. Not clear if there were differences between groups
Free of selective reporting?	Yes	Recruitment outcome presented, which is all the review needs
Was the study free of other bias?	Yes	No other biases apparent
Overall bias?	Unclear	Unclear risk of bias