Design, Setting, and Participants
EMERGENCY
Caregivers calling the out-of-hours Medical Helpline 1813 (MH1813), Emergency Medical Services Capital Region, Denmark, and their children aged 0.5 to 11.9 years were randomized to video tutorials (intervention) or telephone triage by a nurse or physician (control) from October 2020 to December 2021 and followed up for 72 hours blinded to the intervention. Data were analyzed from March to July 2022.