Longitudinal Covid-19 effects on child mental health: vulnerability and age dependent trajectories.

Moreover, at least one study show that adolescents with high pre-existing vulnerability (i.e., being in the highest quartile on externalizing difficulties pre-Covid) have decreased externalizing difficulties over time, although this did not reach statistical significance, relative to adolescents without vulnerability whose symptom level remained stable or increased only slightly [ 23 ].

also in 111,027 other papers