Randomisation level | Comparator | ||
Individual | 25 | Usual care | 15 |
Cluster | 6 | Other intervention(s) | 10 |
Stepped-wedge control period | 2 | ||
Design | Comparing two settings | 1 | |
2-arm | 22 | Comparing two deliverers | 1 |
Non-inferiority (2-arm) | 4 | No intervention | 1 |
3-arm | 3 | Sham clinical procedure | 1 |
Crossover | 1 | ||
Stepped-wedge | 1 | Publishing journal | |
British Medical Journal | 7 | ||
Primary outcome result | Lancet | 7 | |
No evidence of effect | 15 | JAMA | 5 |
Evidence of effect | 11 | Canadian Medical Association Journal | 2 |
Non-inferiority trial | 4 | JAMA Pediatrics | 2 |
Unclear | 1 | Critical Care Medicine | 1 |
Gut | 1 | ||
Funder | JAMA Internal Medicine | 1 | |
Public | 25 | JAMA Psychiatry | 1 |
Multiple funders | 3 | Journal of Allergy and Clinical Immunology | 1 |
Charity | 1 | New England Journal of Medicine | 1 |
Independent Organisation | 1 | Nursing Research | 1 |
Not reported | 1 | The American Journal of Psychiatry | 1 |
Type of intervention | Country | ||
Pharmacological treatment strategy | 9 | UK | 12 |
Clinical procedure | 4 | USA | 8 |
Therapy intervention | 4 | Australia | 3 |
Clinical treatment strategy | 3 | Netherlands | 2 |
Model of care provision | 3 | Brazil | 1 |
Reminder system | 3 | Canada | 1 |
Health promotion | 3 | France | 1 |
Medical device | 2 | France, Belgium and Switzerland | 1 |
Hong Kong | 1 | ||
North Americaa | 1 |