Factors taken into account in payment for CHIM participation: experts only
| Payment factor | No. of CHIMs reported to take factor into account in payment (%) (n=18) |
| Time requirements for participant | 15 (83.3) |
| Payment in previous studies | 15 (83.3) |
| Inconvenience | 13 (72.2) |
| Invasive investigations | 11 (61.1) |
| Risk | 8 (44.4) |
| Non-invasive investigations | 6 (33.3) |
| Pain | 5 (27.8) |
| Other | 3 (16.7) |
| Budget | 2 (11.1) |
These results pertain to the 18 CHIM studies for which payment factor information was provided by CHIM experts.
CHIM, Controlled Human Infection Model.