The intervention and restrictions during COVID-19
MAY
During the baseline measurements (November-January 2019–2020), no COVID-19 restrictions were applicable. During the post-test measurements (in June 2020), “mild” COVID-19 restrictions were applicable, meaning that (1) catering industry (e.g. restaurants, bars, cafés) and (non-essential) shops were open, (2) school were open (3) non-contact sports activities and facilities (both indoor and outdoor, amateur and professional) were allowed (4) social contacts were restricted to a maximum of 10 different people per week, and (5) teleworking was recommended but not mandatory. During follow-up measurements (i.e. November 2020),“strict” and strengthened COVID-19 restrictions were applicable [The intervention took place between February and May 2020. Due to COVID-19 restrictions, only 2 of the 6 sessions could be implemented in person as planned, between February and March 2020 (see Fig. 
Timeline of the Run Daddy Run intervention under COVID-19 restrictions