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Article History

Received: 8 May 2024

Accepted: 13 August 2024

First Online: 2 September 2024

Declarations

:

: The study protocol was approved by the London School of Hygiene & Tropical Medicine Research Ethics Committee (reference 17761), and the National Research Ethics Review Committee of Ethiopia (reference A/A/H/10H02/227) prior to commencement of study activities. Under the direction of the study investigators, Holster International Research and Development Consultancy was responsible for data collection. School principals provided written informed consent on behalf of all pupils in the school <i>in loco parentis. </i>Opt-out forms were distributed to all parents/guardians of pupils in the selected classes. Pupils were excluded from data collection if their parent or guardian returned the opt-out form at any point and were required to give oral assent before each data collection activity.

: Not applicable.

: The authors declare no competing interests.