Table 2

Evaluation of the individually randomised trials (n = 38).

Influence on caregiversInfluence on control patients
StudyInformed about allocation of patientsInformed about content of interventionQuestionnaires before or during trialExtra information/training on the subjectRisk of learning effect by treating intervention patientsInformed consent givenInformed about content of interventionProvided with extra informationInformed about allocationQuestionnaires/examinationsRisk of contact with intervention patients
Boivin, 200812++++_?++
Community Pharmacy Medicines Management Project Evaluation Team, 200713?++?++
Christensen, 200514++++++??++
Coppin, 200815+++???+
Crilly, 200516+++
Daley, 200817??+??+?
Dennis, 200918??+??++?
Farmer, 200719???++?+?+
Gorgels, 200720?++++??+
Green, 200721???+???+
Griffiths, 200522??+???+
Gruffydd-Jones, 200523+++++??++
Hamilton, 200724++++??++
Hoefman, 200525++++++?+?+
Holland, 200726???+??++
Holland, 200527??++??++
Hunkeler, 200628+?+++?+++
Khunti, 200629++++++
Lawton, 200930????+??+?
Leong, 200631??+??
Liew, 200932?+???
Linschoten, 200933????+?+++
Little, 200834?++++
Martins, 200935++???++
McMahon, 200736???++???+
McManus, 200537++++?++++
Muirhead, 200638??+?++
Nanchahal, 200939???+??+
Norg, 200640++++
Roberts, 200641++++?+++
Schreuders, 200542????+???+
Schroeder, 200543+++++??++
Thomas, 200644+++??++
Thomsen, 200545?+++
van Rijn, 200746??+??+
Vicens, 200647?++++?+?+
Wake, 200948+++++??++?
Williams, 200549???+++++
  • + = risk present; – = risk not present; ? = not described in the article.