Alcohol-related presentations to emergency departments on Crate Day in Waikato, New Zealand.

Aim: To describe the effect of Crate Day on alcohol-related presentations (ARPs) to Waikato District Health Board (WDHB) emergency departments (EDs).

Method: This retrospective observational study used a descriptive analytical approach to examine alcohol-related ED attendance. Age standardised ED ARP rates and relative rates (RR) were calculated for the weekends on which crate-day falls (pooled 2019 and 2020) with respect to reference weekends.