Marina Ajduković)ORCID: 0000-0002-9103-5692 (Petra Kožljan))U ovoj transverzalnoj studiji trenda uspoređena je izraženost internaliziranih problema adolescenata u Gradu Zagrebu prije pandemije COVID-19 i u vrijeme 4. vala COVID-a. U istraživanju su sudjelovale dvije skupine srednjoškolaca: (1) učenici 1. razreda srednjih škola 2016. godine (N=267, M dob =15,16, SD dob =0,468, 61,6 % djevojke) i (2) učenici 1. razreda srednjih škola 2021. godine (N=353, M dob =14,78, SD dob = 0,468, 45,9 % djevojke). Korištenjem upitnika DASS-21 utvrđen je trend rasta internaliziranih problema. U prosincu 2021. godine ozbiljne i vrlo ozbiljne simptome depresivnosti imalo je 20,6 % učenika u odnosu na 15,0 % učenika 2016. godine. Ozbiljne i vrlo ozbiljne simptome anksioznosti imalo je 2016. godine 13,4 % učenika, a 2021. čak 33,0 %. Simptomi stresa ove razine 2016. godine bili su prisutni kod 20,2 % učenika, a 2021. godine kod 25,4 %. Kod djevojaka je utvrđena viša razina depresivnosti, anksioznosti i stresa kao i kod učenika čije su obitelji pretrpjele materijalnu štetu u zagrebačkom potresu. Također, učenici slabijeg imovinskog statusa izvještavaju o značajno višim doživljenim razinama anksioznosti i stresa. Neadaptabilne strategije suočavanja sa stresom su značajni prediktori depresivnosti, anksioznosti i stresa.Značajni prediktor depresivnosti je i niže samopoštovanje, roditeljsko odbijanje i veće nezadovoljstvo tjelesnim izgledom predviđaju višu anksioznost, a ženski rod viši stres. Podatci pokazuju da je mentalno zdravlje zagrebačkih srednjoškolaca bilo pod visokim rizikom i prije pandemije COVID-19 i potresa, a ove nepovoljne okolnosti su povećale taj rizik. / This cross-sectional trend study compared the intensity of internalised problems of adolescents in the City of Zagrebbefore the COVID-19 pandemic and during its 4th wave. Two groups of secondary school students participated in the research: (1) 1st grade secondary school students in 2016 (N=267, M age = 15.16, SD age = 0.468, 61.6% females) and ( 2) 1st grade secondary school students in 2021 (N =353, M age =14.78, SD age = 0.468, 45.9% females). Using the DASS-21 questionnaire, a growing trend of internalised problems was identified. In December 2021, 20.6% of students had severe and very severe symptoms of depression compared to 15.0% of students in .4% and as many as 33.0% of students, respectively, had severe and very severe symptoms of anxiety. Symptoms of this level of stress were present in 20.2% of students in 2016, and in 25.4% in 2021. A higher level of depression, anxiety and stress was found in females, as well as in students whose families suffered material damage in the Zagreb earthquake. Students of lower financial status reported significantly higher levels of anxiety and stress. Maladaptive coping strategies are significant predictors of depression, anxiety and stress. A significant predictor of depression is also lower self-esteem, parental rejection and greater dissatisfaction with physical appearance predict higher anxiety, and female gender higher ...