Fisher, H.
Er, V.
Longdon, B.
Gnani, S.
Hartwell, G.
Keenan, M.
Mutanda, D.
Robinson, H.
Dodd, H.
Kidger, J.
Funding for this research was provided by:
School for Public Health Research (204000)
Article History
Received: 12 May 2026
Accepted: 12 August 2026
First Online: 4 September 2026
Declarations
Ethics approval and consent to participate: The University of Bristol’s Faculty of Health Sciences, London School of Hygiene and Tropical Medicine’s Observational/Intervention and the University of Exeter Faculty of Health and Life Sciences Sports and Health Sciences Research Ethics Committees provided approvals for the study (references: 15850, 31355, and 8362905, respectively). For participants aged 16 years and older, informed written, electronic or verbal consent was obtained prior to participating in a research activity. Where participants were aged under 16 years, parental consent in addition to adolescent assent was obtained, either written, electronically or verbally.
Consent for publication: Not applicable.
Competing interests: The authors declare they have no competing interests.