RESEARCH REPOSI TORY This is the author’s final version of the work, as accepted for publication following peer review but without the publisher’s layout or pagination. The definitive version is available at: https://doi.org/10.1016/j.jad.2019.09.027 Lewis, A.J., Sae-Koew, J.H., Toumbourou, J.W. and Rowland, B. (2019) Gender differences in trajectories of depressive symptoms across childhood and adolescence: A multi-group growth mixture model. Journal of Affective Disorders . https://researchrepository.murdoch.edu.au/id/eprint/50815 Copyright: © 2019 Elsevier B.V. It is posted here for your personal use. No further distribution is permitted.