Physical Activity Levels
Five out of 16 children participated in sports activities before the COVID-19 lockdown. None of the children had to quit sports activities due to IBD-related symptoms earlier (<3 months). Median percentage of time spent in moderate-to-very vigorous activity measured with the Actigraph was 12.1% at baseline; this is below the recommended Dutch norm of 1 hour a day and did not change significantly after training (