| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ecological epidemiological study | 1.27 | 1 | 4396 | 91 | 32 |
| ecological | 0.23 | 0.7 | 590 | 30 | 10 |
| epidemiological | 0.72 | 0.4 | 5261 | 4 | 15 |
| study | 1.12 | 0.7 | 8951 | 54 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ecological epidemiological study | 0.7 | 0.6 | 198 | 69 |
