Does disability modify the association between poor mental health and violence victimisation over adolescence? Evidence from the CoVAC cohort study in Uganda by Carter, DJ, Pitcairn, CFM, Eldred, E, Knight, L, Nakuti, J, Mirembe, A, Atuhaire, L, Allen, E, Bhatia, A, Naker, D, Parkes, J, Devries, K