Funding for this research was provided by:
Dept Health Ireland (ESPAD Tender 2019)
Royal City of Dublin Hospital Trust (Royal City of Dublin Hospital Trust Grant 184)
Received: 28 December 2020
Accepted: 7 June 2021
First Online: 25 June 2021
: No conflict of interest declared by any of the authors.
: Ethical approval was obtained from the Ethics and integrity Committee of the TU Dublin REC-18-26.
: Parent/guardian information sheet and school information sheets were distributed. Parent non-consent forms were distributed to each student.No individual data or image is published.Data available from author on request.