John Richens|Andrew Copas|S Tariq Sadiq|Patricia Kingori|Ona McCarthy|Victoria Jones|P Hay|Kevin Miles|Richard Gilson|John Imrie|Mark Pakianathan
A randomised controlled trial of computer-assisted interviewing in sexual health clinics
Mortimer Market Centre|University College London|St George's, University of London|South West London and St George's Mental Health NHS Trust|St George’s University Hospitals NHS Foundation Trust|London School of Hygiene & Tropical Medicine|University College London|University College London|St George's, University of London|South West London and St George's Mental Health NHS Trust|St George’s University Hospitals NHS Foundation Trust|St Pancras Hospital|University College London|St Pancras Hospital|National Centre for Clinical Research on Emerging Drugs|UNSW Sydney|South West London and St George's Mental Health NHS Trust|St George’s University Hospitals NHS Foundation Trust
h3objectivesh3 assess impact computerassisted interview compared pen paper disclosure sexual behaviour diagnostic testing clinicians infections diagnosed referral counselling h3methodsh3 twocentre parallel threearm randomised controlled open trial computergenerated randomisation allocation concealment using sealed envelopes h3settingh3 two london teaching hospital sexual health clinics h3participantsh3 2351 clinic attenders age 16 years h3interventionsh3 computerassisted selfinterview casi computerassisted personal interview capi pen paper interview papi h3main outcome measuresh3 diagnostic tests ordered sexually transmitted infections sti h3secondary outcomesh3 disclosure sexual risk referral counselling h3resultsh3 801 763 787 patients randomly allocated receive casi capi papi 795 744 779 available intentiontotreat analysis significantly diagnostic testing hepatitis b c rectal samples capi arm odds testing relative papi 132 95 ci 109 159 pattern seen among casi patients hiv testing significantly lower among casi patients odds less testing relative papi 073 95 ci 059 090 sti diagnoses significantly different trial arm summary measure seven prespecified sensitive behaviours found greater reporting casi 14 95 ci 12 16 capi 14 95 ci 12 17 compared papi h3conclusionh3 casi capi generate greater recording risky behaviour traditional papi increased disclosure increase sti diagnoses safeguards may needed ensure clinicians prompted act upon disclosures made selfinterview h3trial registrationh3 isrctn 97674664