Table 5

COS for work

Stage of work participationCOS for work
Interventions and study populations for which the outcomes are relevant within the stageOutcomes which should always be measured in intervention studies relevant for the stage of work participation
Having employment


Relevant for any intervention and any type of health problem. Any type of health condition may impair work participation at the most elemental level, having work
  1. Having any type of employment including self-employment

Return to work


Interventions expected to help people who are absent from work due to a health problem return to work
  1. Proportion of workers that return to work after being absent because of illness

  2. Time to return to work in workers absent because of illness

  • Outcomes which were selected by the panel to always be measured in studies measuring an effect on work participation.

  • COS, core outcome set.