Fig. 1

Study overview. Phase 1) An informed consent was sent out to the 200 first competitors over 65 years listed in the O-Ringen registration document. Questionnaires (see Table 1) were sent out to all subjects, prior to O-Ringen. Phase 2) Orienteers attending senior orienteering events in the region of Örebro were asked to file a notice of interest for the study. In total 7 women and 7 men participated in FGDs arranged at Örebro University. Phase 3) Based on the FGD findings a follow-up question was developed and sent out to all participants from phase one, with the intention to validate findings from the FGDs