Socioeconomic status, mental wellbeing and transition to secondary school: Analysis of the School Health Research Network/Health Behaviour in School‐aged Children survey in Wales. - Moore, Graham F.; Anthony, Rebecca E.; Hawkins, Jemma; Van Godwin, Jordan; Murphy, Simon; Hewitt, Gillian; Melendez‐Torres, G. J. (British Educational Research Journal, 2020)