Table 2 Updated version of Table 1, the missing headings have been added
| Research fields and sub-fields | Article type | ||||
|---|---|---|---|---|---|
| Incentives | Strategies | Opinion Pieces | Observational Studies | Total: field of studies | |
| Health and Medical Research | |||||
| Psychology | 1 | 2 | 4 | 1 | 8 |
| Genetics | 0 | 16 | 12 | 17 | 45 |
| Other | 0 | 58 | 69 | 88 | 215 |
| Total: health and medical research | 1 | 76 | 85 | 106 | 268 |
| Non-Health and Medical Research | |||||
| Astronomy | 0 | 0 | 0 | 1 | 1 |
| Ecology | 0 | 5 | 11 | 8 | 24 |
| Information Technology | 0 | 38 | 26 | 28 | 92 |
| Other | 0 | 46 | 52 | 87 | 185 |
| Total: non-health and medical research | 0 | 89 | 89 | 124 | 302 |
| Total: type of studies | 1 | 149 | 174 | 230 | 570 |