Databases | ||||
---|---|---|---|---|
Keywords | PubMed1 | Science Direct | Google Scholar2 | Biomed3 |
1. Nurses4 | 18917 | 2031 | 22500 | 365 |
2. Private/“Private Sector” | 2852 | 475 | 29600 | 284 |
3. Production | NA | 181 | 134000 | 92 |
4. Supply/“Supply and distribution” | 15764 | 315 | 33200 | 176 |
5. Demand/“Health Services Needs and Demand” | 19989 | 753 | 27300 | 215 |
6. Employment | 18726 | 488 | 26700 | 197 |
7. Responsiveness | NA | 71 | 9250 | 35 |
8. Migration/“Emigration and Immigration” | 5893 | 78 | 43300 | 107 |
9. Quality | NA | 1615 | 150000 | 645 |
10. Equity | NA | 64 | 20300 | 83 |
11. “India” OR “Kenya” OR “South Africa” OR “Thailand” | 41971 | 199 | 28700 | 17 |
Total potential articles from all search engines = 657448 | ||||
1. AND 11. | 176 | 168 | 213 | 12 |
2. AND 12. | 1 | 58 | 7 | 9 |
3. AND 12. | NA | 11 | 0 | 3 |
4. AND 12. | 26 | 26 | 2 | 4 |
5. AND 12. | 16 | 55 | 0 | 7 |
6. AND 12. | 11 | 50 | 0 | 6 |
7. AND 12. | NA | 6 | 0 | 0 |
8. AND 12. | 6 | 21 | 5 | 6 |
9. AND 12. | NA | 110 | 1 | 9 |
10. AND 12. | NA | 4 | 0 | 3 |
Total potential articles from keywords 12 to 21 after applying Boolean search strategy = 463 | ||||
After excluding 257 duplicate articles, only 206 articles entered the selection process |