Table 1 RE-AIM domain definitions—original and re-operationalised for implementation of an injury surveillance system

R each

Proportion of the target population that participated in the intervention

Proportion of football clubs informed about and/or trained in use of the injury surveillance system

E fficacy

Success rate if implemented as in guidelines

Data quality (see (Ekegren et al. [2014]. doi:10.1111/sms.12216.)

A doption

Proportion of settings, practices, and plans that will adopt this intervention

Proportion of football clubs that agreed to participate and set up a Sports Injury Tracker account with the intention of conducting injury surveillance

I mplementation

Extent to which the intervention is implemented as intended in the real world

The proportion of football clubs recording injuries using Sorts Injury Tracker throughout season (not including clubs recording <10 injuries throughout season)

M aintenance

Extent to which a program is sustained over time

The proportion of football clubs implementing the surveillance system in 2013 after doing so in 2012.