1 Corresponding author: Given Hapunda, Department of Psychology, University of Zambia, P.O Box 32379, Lusaka, Zambia. Email given.hapunda@unza.zm Hapunda, G., Abubakar, A., & Van de Vijver, F. J. R. (2017). Applying the bioecological model to understand factors contributing to psychosocial well-being and healthcare of children and adolescents with diabetes mellitus. SA Journal of Diabetes & Vascular Disease, 14, 11-17.