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      Relação entre o sentimento de tristeza, o nível de atividade física e o uso do celular em adolescentes Translated title: Relationship between sadness, physical activity and cell phone use in adolescents

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          Abstract

          Resumo Introdução: A tristeza, indicadora de saúde mental fragilizada e fator prognóstico para o suicídio, caracteriza-se por sentimento persistente de desespero por duas semanas ou mais, impactando atividades cotidianas, incluindo atividades físicas. Objetivo: Verificar a interação entre o sexo e o sentimentos de tristeza com o nível de atividade física e o uso do smartphone em adolescentes. Método: Estudo com amostra representativa de 772 adolescentes (52,6% do sexo feminino) com idade média de 16,63±0,69 anos, selecionados em amostragem por estágios múltiplos. O nível de atividade física, o tempo de uso do smartphone e o sentimento de tristeza foram autorreportados. As interações foram verificadas pela regressão logística binária em dois diferentes modelos. Resultados: Foram observadas interações entre meninos e meninas com sentimento de tristeza e o uso do smartphone por mais de duas horas nos dois modelos propostos. No Modelo 1, foram observadas associações com o uso do smartphone por mais de duas horas diárias para meninos com sentimento de tristeza (RC 2,04; IC95% 1,43–2,92), para meninas sem o sentimento de tristeza (RC 1,48; IC95% 1,01–2,17) e com o sentimento de tristeza (RC 2,53; IC95% 1,55–4,11). No Modelo 2 foram observadas associações entre meninos com sentimento de tristeza (RC 2,18; IC95% 1,34–3,53) e meninas com sentimento de tristeza (RC 2,42; IC95% 1,36–4,29). Conclusão: Sentimento de tristeza, independente do sexo, está associado ao maior tempo diário em uso de smartphones pelos adolescentes.

          Translated abstract

          Abstract Background: Sadness, an indicator of weakened mental health and a prognostic factor for suicide, is characterized by a persistent feeling of despair for two or more weeks, affecting daily activities, including physical exercise. Objective: To verify the interaction between sex and feelings of sadness with physical activity level and cell phone use in adolescents. Method: This was a study with a representative sample of 772 adolescents (52.6% female) with a mean age of 16.63±0.69 years, selected in a multi-stage sampling process. Physical activity level, cell phone use and sadness feelings were self-reported. The interactions were verified by binary logistic regression, in two different models. Results: Interactions between boys and girls with sadness feelings and cell phone use for more than two hours were observed in the two models proposed. In Model 1, associations were observed with cell phone use for more than two hours, daily, for boys with sadness feelings (odds ratio — OR 2.04; 95% confidence interval — 95%CI 1.43–2.92), for girls without sadness feelings (OR 1.48; 95%CI 1.01–2.17) and with sadness feelings (OR 2.53; 95%CI 1.55–4.11). In Model 2, associations were observed between boys with sadness feelings (OR 2.18; 95%CI 1.34–3.53) and girls with sadness feelings (OR 2.42; 95%CI 1.36–4.29). Conclusion: Feeling sad, regardless of sex, is associated with daily time spent using cell phones by adolescents.

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          Prevalence of problematic smartphone usage and associated mental health outcomes amongst children and young people: a systematic review, meta-analysis and GRADE of the evidence

          Background Over the past decade, smartphone use has become widespread amongst today’s children and young people (CYP) which parallels increases in poor mental health in this group. Simultaneously, media concern abounds about the existence of ‘smartphone addiction’ or problematic smartphone use. There has been much recent research concerning the prevalence of problematic smartphone use is in children and young people who use smartphones, and how this syndrome relates to mental health outcomes, but this has not been synthesized and critically evaluated. Aims To conduct a systematic review and meta-analysis to examine the prevalence of PSU and quantify the association with mental health harms. Methods A search strategy using Medical Subject Headings was developed and adapted for eight databases between January 1, 1st 2011 to October 15th 2017. No language restriction was applied. Of 924 studies identified, 41 were included in this review, three of which were cohort studies and 38 were cross sectional studies. The mental health outcomes were self-reported: depression; anxiety; stress; poor sleep quality; and decreased educational attainment, which were synthesized according to an a priori protocol. Results The studies included 41,871 CYP, and 55% were female. The median prevalence of PSU amongst CYP was 23.3% (14.0–31.2%). PSU was associated with an increased odds of depression (OR = 3.17;95%CI 2.30–4.37;I 2 = 78%); increased anxiety (OR = 3.05 95%CI 2.64–3.53;I 2 = 0%); higher perceived stress (OR = 1.86;95%CI 1.24–2.77;I 2 = 65%); and poorer sleep quality (OR = 2.60; 95%CI; 1.39–4.85, I 2 = 78%). Conclusions PSU was reported in approximately one in every four CYP and accompanied by an increased odds of poorer mental health. PSU is an evolving public health concern that requires greater study to determine the boundary between helpful and harmful technology use. Policy guidance is needed to outline harm reduction strategies.
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            Child and adolescent mental disorders: the magnitude of the problem across the globe.

            Describe objectively the global gaps in policy, data gathering capacity, and resources to develop and implement services to support child mental health. Report on the World health Organization (WHO) child and adolescent mental health resources Atlas project. The Atlas project utilized key informants and was supplemented by studies that focused on policy. This report also draws on current epidemiological studies to provide a context for understanding the magnitude of the clinical problem. Current global epidemiological data consistently reports that up to 20% of children and adolescents suffer from a disabling mental illness; that suicide is the third leading cause of death among adolescents; and that up to 50% of all adult mental disorders have their onset in adolescence. While epidemiological data appears relatively uniform globally, the same is not true for policy and resources for care. The gaps in resources for child mental health can be categorized as follows: economic, manpower, training, services and policy. Key findings from the Atlas project include: lack of program development in low income countries; lack of any policy in low income countries and absent specific comprehensive policy in both low and high income countries; lack of data gathering capacity including that for country-level epidemiology and services outcomes; failure to provide social services in low income countries; lack of a continuum of care; and universal barriers to access. Further, the Atlas findings underscored the need for a critical analysis of the 'burden of disease' as it relates to the context of child and adolescent mental disorders, and the importance of defining the degree of 'impairment' of specific disorders in different cultures. The recent finding of substantial gaps in resources for child mental health underscores the need for enhanced data gathering, refinement of the economic argument for care, and need for innovative training approaches.
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              Growth at adolescence

                Author and article information

                Journal
                cadsc
                Cadernos Saúde Coletiva
                Cad. saúde colet.
                Instituto de Estudos em Saúde Coletiva da Universidade Federal do Rio de Janeiro (Rio de Janeiro, RJ, Brazil )
                1414-462X
                2358-291X
                2025
                : 33
                : 1
                : e33010370
                Affiliations
                [1] Curitiba Paraná orgnameUniversidade Federal do Paraná orgdiv1Centro de Estudos em Atividade Física e Saúde orgdiv2Departamento de Educação Física Brazil
                [2] Rio Grande Rio Grande do Sul orgnameUniversidade Federal do Rio Grande orgdiv1Escola de Medicina orgdiv2Grupo de Pesquisa em Atividade Física e Saúde Pública Brazil
                Author information
                https://orcid.org/0000-0002-6081-0510
                https://orcid.org/0000-0001-9719-0792
                https://orcid.org/0000-0002-7628-3997
                https://orcid.org/0000-0002-3039-2688
                https://orcid.org/0000-0002-8672-395X
                https://orcid.org/0000-0001-5500-6248
                https://orcid.org/0000-0003-3979-1017
                Article
                S1414-462X2025000100210 S1414-462X(25)03300100210
                10.1590/1414-462x202433010370
                82905668-bb64-40f0-b1b2-f7c710500b30

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 16 July 2021
                : 18 June 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 33, Pages: 0
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                SciELO Brazil


                motor activity,tristeza,social interaction,adolescent,smartphone,sadness,interação social,adolescente,atividade motora

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