Research type | n = | % |
---|---|---|
Clinical trials –medical equipment | 5523 | 98.9 |
Observational studies | 5307 | 95.0 |
Questionnaires - postal | 5286 | 94.6 |
Interviews – face to face | 5210 | 93.3 |
Interviews – telephone | 5041 | 90.2 |
Clinical trials –existing treatments | 5013 | 89.7 |
Clinical trials – new treatments | 4981 | 89.2 |
Focus Groups | 4836 | 86.6 |
Questionnaires - electronic | 4400 | 78.8 |