Characteristics of other trials
| Trial | Number randomised | Disease/condition | Participants | Setting | Intervention(s) | Control | Outcome retention trial | Time point used in analysis |
|---|---|---|---|---|---|---|---|---|
| Motivation vs information | ||||||||
| Cox 2008 | 120 | Exercise improvement | Sedentary Women | Australia Community | Motivational workshops and newsletters | Information sheets and newsletters | Program and trial retention at 6 and 12 months | 6-month and 12-month data. Data for 6 months used |
| Chaffin 2009 | 153 | Parenting improvement | Adults referred for parenting improvement | US community | Self-motivation information | Standard information | Program attendance/trial retention | Retention at 12 weeks |
| Case management vs usual follow-up | ||||||||
| Ford 2006 | 703 | Screening prostate, lung, ovarian, colorectal cancer | Adults in the PLCO screening trial | US sites | In-depth case management | Regular trial procedures | Attendance at face to face cancer screening | Retention at 3 years |
| Open vs blind trial design | ||||||||
| Avenell 2004 | 538 | Prevention of fracture | Adults with a history of osteoporotic fracture | UK hospital | Open trial design | Blind trial design | Postal questionnaire response at 4, 8, 12 months | Response at12 months |