Table 4

Factors taken into account in payment for CHIM participation: experts only

Payment factorNo. of CHIMs reported to take factor into account in payment (%)
Time requirements for participant15 (83.3)
Payment in previous studies15 (83.3)
Inconvenience13 (72.2)
Invasive investigations11 (61.1)
Risk8 (44.4)
Non-invasive investigations6 (33.3)
Pain5 (27.8)
Other3 (16.7)
Budget2 (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.