Background: The Coronavirus Disease 2019 (COVID-19) pandemic prompted rules and laws such as lockdown, which contributed to staying at home and participating in sedentary activities such as using smartphones, tablets, televisions, gaming devices, and computers. As a result of the increased use of digital screen time, a worldwide issue has arisen among various age groups, especially adolescents, which may have affected their psychological well-being, increasing their susceptibility to anxiety-related disorders.
Objective: This study aimed to assess the relationship between screen time exposure and the presence of anxiety-related disorders among adolescents during the COVID-19 pandemic.
Methods: A quantitative descriptive cross-sectional design using convenience sampling was used in this study. The online self-administered questionnaire, including the Arabic-translated version of the Screen for Child Anxiety-related Disorders (SCARED-C), was distributed through social media using Google forms between February and April 2021. The Chi-Squared test was used for data analysis.
Results: Of 625 participants, majority were females ( = 527, 84.3%) than males ( = 98, 15.7%). A significant difference between screen time and the presence of an anxiety-related disorder among adolescents during the COVID-19 pandemic ( = .021) was noted. More than half of the participants ( = 410, 65.6%) scored above 25 in the SCARED-C test, indicating the presence of an anxiety-related disorder regardless of the type. Of those, more than a quarter ( = 176, 28.2%) used screens for more than 8 hours a day.
Conclusion: The results indicated a relationship between screen time exposure and the presence of anxiety-related disorders among adolescents during the pandemic. In particular, adolescents are more susceptible to the adverse effects of increased exposure to screen time, which is constantly on the rise. Therefore, nurses and other healthcare professionals can play a significant role in providing guidance and advice to parents, caregivers, and adolescents themselves on how to limit screen time exposure. The findings can also be useful for future studies to build on and develop screen time management interventions and guidelines.
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http://dx.doi.org/10.33546/bnj.2058 | DOI Listing |
Vaccines (Basel)
November 2024
Laboratory of Biology of Cellular Interactions, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte 31270-901, MG, Brazil.
Background/objectives: Considering the large number of candidates in vaccine-testing studies against different pathogens and the amount of time spent in the preclinical and clinical trials, there is a pressing need to develop an improved in vivo system to quickly screen vaccine candidates. The model of a polyester-polyurethane sponge implant provides a rapid analysis of the specific stimulus-response, allowing the study of a compartmentalized microenvironment. The sponge implant's defined measurements were standardized as a compartment to assess the immune response triggered by the vaccinal antigen.
View Article and Find Full Text PDFMicromachines (Basel)
November 2024
Department of Microsystem Technology, University of Applied Sciences Berlin, 12459 Berlin, Germany.
Shock wave boundary/layer interactions (SWBLIs) are critical in high-speed aerodynamic flows, particularly within supersonic regimes, where unsteady dynamics can induce structural fatigue and degrade vehicle performance. Conventional measurement techniques, such as pressure-sensitive paint (PSP), face limitations in frequency response, calibration complexity, and intrusive instrumentation. Similarly, MEMS-based sensors, like Kulite sensors, present challenges in terms of intrusiveness, cost, and integration complexity.
View Article and Find Full Text PDFJ Clin Med
December 2024
Department Condensed Matter Physics, Optics Area, Vision Research Group (CIVIUS), University of Seville, 41004 Sevil, Spain.
To explore the effect of time exposure to flat screen electronic devices with LED lighting and the Mediterranean diet on macular pigment optical density (MPOD). In this cross-sectional observational study, the MPOD was measured by heterochromatic flicker photometry in 164 eyes (47 of younger women aged 20-31 and 35 of older women aged 42-70). Exclusion criteria: evidence of macular degeneration and eyes with cataracts.
View Article and Find Full Text PDFChildren (Basel)
December 2024
German Paediatric Pain Centre, Children's and Adolescents' Hospital Datteln, 45711 Datteln, Germany.
Background/objectives: The use of digital media, and especially social media, has been increasing over recent years. Previous research has reported a negative impact of media use on headaches; however, most of these studies are cross-sectional. Therefore, we conducted a longitudinal study to explore the relationship between different types of media usage (watching videos, gaming, and social media) and headache frequency and headache intensity over time.
View Article and Find Full Text PDFChildren (Basel)
December 2024
Levinsky-Wingate Academic College, Wingate Campus, Netanya 4290200, Israel.
Background: Children are encouraged to spend 60 min each day performing moderate-to-vigorous physical activity. In this study, we assessed the impact of an intervention throughout the school year on physical activity, sports performance, and school climate in fifth-sixth-grade children from schools in a disadvantaged neighborhood.
Methods: The intervention group (n = 44) participated in six weekly 45 min physical education classes; an athletic subgroup of these students participated in two additional weekly athletic classes.
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