The objective of this study is to assess the impact of COVID-19 on university students' academic performance. Our sample consisted of students 18 years old and above enrolled at least part-time during the Spring 2020 semester. This cross-sectional survey examined the individual, social, and economic impacts of COVID-19 on academic performance. We examined factors associated with a change in GPA between the two semesters. Most students reported no change in GPA. Students of color had significantly increased odds of reporting a decrease in GPA than non-Hispanic White students (OR = 2.70, 95% CI: 1.01, 7.16). Students who had someone close to them test positive for COVID-19 had increased odds of reporting a decrease in GPA (OR = 1.85, 95% CI: 0.55, 5.93). Higher learning institutions may need to develop strategies to improve support for students that have been socio-economically impacted by COVID-19.
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http://dx.doi.org/10.1080/07448481.2022.2155052 | DOI Listing |
Sensors (Basel)
December 2024
School of Instrument Science & Engineering, Southeast University, Nanjing 210096, China.
To solve the problem of slow convergence seen in the traditional fine alignment algorithm based on linear Kalman filtering, a forward-forward backtracking fine alignment algorithm for SINS is proposed after reanalyzing the fine alignment model in this paper. First, the forward-forward backtracking fine alignment model in initial navigation frame was derived. The displacement vector of the carrier in the initial navigation frame solved by GNSS positioning was utilized as the observation of the fine alignment model.
View Article and Find Full Text PDFPolymers (Basel)
December 2024
Faculty of Materials Engineering and Physics, Cracow University of Technology, Warszawska 24, 31-155 Cracow, Poland.
Thermoplastic composites have garnered significant attention in various industries due to their exceptional properties, such as recyclability and ease of molding. In particular, biocomposites, which combine biopolymers with natural fibers, represent a promising alternative to petroleum-based materials, offering biodegradability and reduced environmental impact. However, there is limited knowledge regarding the efficacy of joining PLA/PHBV-based biocomposites modified with nanocrystalline cellulose (NCC) using vibration welding, which restricts their potential applications.
View Article and Find Full Text PDFToxics
December 2024
Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
Methamphetamine (METH) abuse disrupts the homeostasis of neurotransmitter (NT) metabolism, contributing to a wide range of neurological and psychological disorders. However, the specific effects of METH on NT metabolism, particularly for the tryptophan (TRP) and tyrosine (TYR) metabolic pathways, remain poorly understood. In this study, serum samples from 78 METH abusers and 79 healthy controls were analyzed using Ultra-High-Performance Liquid Chromatography with Tandem Mass Spectrometry (UHPLC-MS/MS).
View Article and Find Full Text PDFInt J Mol Sci
December 2024
Department of Toxicology, School of Public Health, Suzhou Medicine College of Soochow University, Suzhou 215123, China.
Lung cancer remains the leading cause of cancer-related mortality globally, with a poor prognosis primarily due to late diagnosis and limited treatment options. This research highlights the critical demand for advanced prognostic tools by creating a model centered on aging-related genes (ARGs) to improve prediction and treatment strategies for lung adenocarcinoma (LUAD). By leveraging datasets from The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO), we developed a prognostic model that integrates 14 ARGs using the least absolute shrinkage and selection operator (LASSO) alongside Cox regression analyses.
View Article and Find Full Text PDFMedicina (Kaunas)
November 2024
Translational and Experimental Clinical Research Centre in Oral Health, Department of Preventive, Community Dentistry and Oral Health, University of Medicine and Pharmacy "Victor Babes", 300040 Timisoara, Romania.
: Stress is a significant issue among dental students, with both psychological and physiological impacts affecting their academic performance. This cross-sectional study aimed to explore the relationship between academic stress and salivary biochemical markers, specifically cortisol and total antioxidant capacity (TAC), in third- and fifth-year dental students during the 2022/2023 academic year. : This study included 44 participants from the Faculty of Dental Medicine at Victor Babes University, Romania.
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