Funding for this research was provided by:
Medical Research Council (MC_CF023241)
Received: 21 March 2019
Accepted: 2 July 2019
First Online: 23 September 2019
Ethics approval and consent to participate
: This study uses anonymised friendship network data collected during the Wellbeing in Schools (WiSe) Survey conducted by The Centre for Evidence and Social Innovation at Queen’s University Belfast. For full details of ethics and consent please see (Davison et al.: Longitudinal overview of adolescent wellbeing: findings from the Wellbeing in Schools Survey, in preparation). Briefly, ethical approval has been granted by the School of Social Science, Education and Social Work Ethics Committee, Queen’s University Belfast. Participation in the study is by voluntary informed consent, obtained prior to all stages of data collection.
: Not applicable.
: The authors declare that they have no competing interests.