| Table 3: Main type of behaviour targeted in the 102 trials | |
| Behavior | No. of trials |
| General management of a health problem | 25 |
| Preventive services | 19 |
| Prescribing practices | 14 |
| Diagnostic test ordering | 12 |
| Management of hypertension | 9 |
| Smoking cessation | 6 |
| Utilization of hospital services | 5 |
| Computer-assisted diagnosis | 4 |
| Management of diabetes mellitus | 3 |
| Performance of a procedure | 3 |
| Computer-assisted dosing | 2 |