@article {Trajectories2025, title = {Trajectories of mental health difficulties from childhood to adolescence: Evidence from Growing Up in Ireland}, year = {2025}, url = {https://www.esri.ie/publications/trajectories-of-mental-health-difficulties-from-childhood-to-adolescence-evidence-0}, author = {Vallely, M., Nolan, A., and Smyth, E.}, journal = {Child Indicators Research (2026) 19:445–469}, }