| Search Strategy | |
| S1 | Nurs* OR Health care worker OR Health Care Provider OR Health Care Professionals OR Health Care Practitioner |
| S2 | Attitude OR Perception OR Opinion OR Thoughts OR Feelings OR Behaviors |
| S3 | Advoca* OR Nursing Advocacy OR Patient Advocacy OR Professional Advocacy |
| S4 | S1 and S2 |
| S5 | S3 and S4 |
| Search Results | |
| CINAHL Data Base | 511 |
| MEDLINE | 472 |
| OVID | 4 |
| Total retrieved articles | 987 |