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Children's screen time may affect their growth and development. However, differences in the impact of various psychiatric and psychological factors on children's screen time is a research gap. This study aimed to explore the differences in the influence of related factors affecting children's screen time based on their sleep, difficulties, and parental control among Japanese elementary and junior high school students. A cross-sectional survey was conducted among parents in Japan. Data on screen time duration, parent-child background, strengths and difficulties, sleep variables, and parental control types were collected from 225 households. A regression analysis revealed that high Strengths and Difficulties Questionnaire (SDQ) scores (β = 0.166, = 0.008), sleep duration (β = -0.281, < 0.001), and parental control (β = -0.204, = 0.001) were significantly related to children's screen time. Additionally, it was found that parents' late bedtimes affect children's screen time by mediating children's sleep duration. This study, together with previous research, provides comprehensive insights into design interventions to decrease the screen time of children in the Japanese context.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10661245 | PMC |
http://dx.doi.org/10.3390/pediatric15040060 | DOI Listing |
Appl Biochem Biotechnol
September 2025
AVT - Biochemical Engineering, RWTH Aachen University, Forckenbeckstraße 51, Aachen, 52074, Germany.
Microbial co-cultures provide significant advantages over commonly used axenic cultures in biotechnological processes, including increased productivity and access to novel natural products. However, differentiated quantification of the microorganisms in co-cultures remains challenging using conventional measurement techniques. To address this, a fluorescence-based approach was developed to enable the differentiated online monitoring of microbial growth in co-cultures.
View Article and Find Full Text PDFDiscov Public Health
September 2025
Department of Basic Neurosciences, University of Geneva, Geneva, Switzerland.
Purpose: Sleep is essential for effective daily cognitive and affective functioning, both of which are critical in the school context. In recent years, average nighttime sleep duration has been decreasing, particularly among teenagers, in parallel with an increase in screen time. Here, we aimed at assessing whether parental rules pertaining to the use of electronic devices in the evening were associated with enhanced sleep duration in healthy adolescents.
View Article and Find Full Text PDFS Afr Fam Pract (2004)
August 2025
Department of Software Engineering, Faculty of Engineering, Built Environment and Technology, Nelson Mandela University, Gqeberha.
Background: Problematic Smartphone Use (PSU) is a growing concern, particularly among university students, due to its potential negative impacts on mental health, academic performance, and daily functioning. Characterized by compulsive smartphone use, PSU is linked to anxiety, depression, and sleep disturbances. Understanding PSU in university settings is essential for creating effective interventions.
View Article and Find Full Text PDFHeadache
September 2025
Hartford HealthCare Headache Center, Ayer Neuroscience Institute, University of Connecticut, West Hartford, Connecticut, USA.
Objective: (1) To estimate the impact of migraine on work productivity among employees at a large healthcare system in the United States. (2) To assess the knowledge and perception of migraine among employees and to evaluate the number of employees interested in receiving migraine care to help plan a future workplace migraine education and management program.
Background: Despite advances in treatment, migraine is underdiagnosed and undertreated and remains a leading cause of disability in the world.