Fotiou, A.; Kanavou, E.; Stavrou, M.; Christopoulou, M.; Voitsidis, P.; Lappa, M.; Richardson, C.; Kokkevi, A. Family Factors Associated With Excessive Online Activity Among Adolescents: A Latent Class Analysis of Cross-Sectional Data. Eur J Psychol 2026, 22, Article e16907.