This encompasses peer-perceived popularity status, family functioning, and socioeconomic status. Working memory * A child's score on the digit span test is a measure of working memory.

The COVID-19 pandemic has dramatically restricted adolescents' lives. We used nationwide Norwegian survey data from 2014-2021 (N = 227,258; ages 13-18) to examine psychosocial outcomes in adolescents before and during the pandemic. Multilevel models revealed higher depressive symptoms and less optimistic future life expectations during the pandemic, even when accounting for the measures' time trends. Moreover, alcohol and cannabis use decreased, and screen time increased. However, the effect sizes of all observed changes during the pandemic were small. Overall, conduct problems and satisfaction with social relationships remained stable. Girls, younger adolescents and adolescents from low socio-economic backgrounds showed more adverse changes during the pandemic. Estimated changes in psychosocial outcomes varied little with municipality infection rates and restrictions. These findings can inform means and interventions to reduce negative psychological outcomes associated with the pandemic and identify groups that need particular attention during and after the pandemic.

The negative consequences of the COVID-19 lockdown during the spring of 2020 have been documented. However, adolescents may also have experienced positive personal and interrelational changes. This was the first study to examine the prevalence of posttraumatic growth (PTG) during the lockdown. We additionally explored how potential risk and protective factors, as well as experiences with the pandemic, were related to PTG and whether these associations were moderated by mental health resources and social support. We used data from a representative survey of 12,686 junior and senior high school students from Oslo, Norway, conducted during the lockdown (37% response rate, 56.4% girls). A short version of the Posttraumatic Growth Inventory was used to assess growth relative to personal strength, relationships with others, and appreciation of life. Several potential predictors in the domains of mental health, social relationships, experiences during the pandemic, and sociodemographic background factors were examined. Results from multiple regression analyses showed that satisfaction with life, parental care, worries about the pandemic, and immigrant status were the most prominent predictors of PTG, βs = .14-.22, p < .001. Moderation analyses indicated a complex interplay between predictors of PTG by showing that good mental health was associated with higher degrees of PTG only in groups typically considered to be at higher risk of adverse outcomes. The findings provide information regarding who would profit from additional help to reinterpret the dramatic events during the lockdown to facilitate growth.Adolescence is a transitional, formative, and malleable developmental period characterized by a strong dependence on external routines and social relationships that help adolescents make sense of the world (Steinberg et al., 2006). As such, the COVID-19 pandemic and resulting lockdowns that were enforced in most countries may haveThis is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

Worries related to the COVID-19 pandemic are associated with mental health problems and reduced life satisfaction. However, the association between different types of worries about COVID-19 and adolescent mental health is unclear. Moreover, there is a lack of information about whether certain groups of adolescents are more vulnerable to the adverse effects of worries and how social support may moderate these effects. Adolescents (N = 12,686) completed a survey during the lockdown in spring 2020 in Oslo, Norway (37% response rate, 56.4% girls). The results showed that adolescent worries could be categorized into worries related to infection and those related to the general negative effects of the pandemic. Multivariate regression analyses showed that both types of worries were negatively related to positive affect and life satisfaction and positively related to depressive symptoms. Interaction analyses indicated that some associations with positive affect and depressive symptoms were stronger among adolescents with non-migrant backgrounds, higher family SES, and high reported levels of social support and physical contact during the pandemic. The findings suggest that COVID-19 worries may have negative effects on mental health and inform strategies to increase tailored psychological interventions to mitigate the effect of worry on adolescents' mental health and life satisfaction.

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