1,600 research outputs found
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Weight-related status and associated predictors with psychological well-being among first-year university students in Bangladesh: a pilot study
University students (especially first-years) not only have to cope with their academic curriculum but also issues such as being away from the home environment and living independently for the first time. Those who do not adapt quickly to these new conditions are likely to be susceptible to physical and psychological vulnerabilities. The present study surveyed first-year Bangladeshi undergraduate students to investigate their weight status (i.e., the prevalence of being normal weight, underweight, overweight, and obese) and the prevalence of depression and associated risk factors. A cross-sectional survey was conducted among 404 first-year university students (aged 18–23 years) residing at a Bangladeshi university. The participants completed a survey examining socio-demographic and behavioral variables, alongside the WHO-5 Well-Being Index. Binary logistic regression was performed to determine significant associations between the variables under examination. Prevalence rates of being normal weight, underweight, overweight, and obese were 66.8%, 20.3%, 9.7%, and 3.2% respectively. Associated predictors of weight-related problems were being female and lack of physical exercise. The prevalence rate of depression was 68.1%. There were no significant gender differences and associated predictors of depression were lack of physical exercise, unsatisfactory sleep quality, excessive internet use, and excessive reading hours. Being underweight, overweight, or being obese alongside the prevalence of depression among first-year university students were high. Findings indicate that first-year university students are a vulnerable group for some physical and psychological problems. Findings recommend the need for intervention programs, alongside adequate and appropriate supportive services for first-year Bangladeshi university students
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Student suicide risk and gender: a retrospective study from Bangladeshi press reports
Brain responses in humans reveal ideal observer-like sensitivity to complex acoustic patterns
This study was funded by a Deafness Research UK fellowship and Wellcome Trust Project Grant 093292/Z/10/Z (to M.C.)
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Ozone trends from two decades of ground level observation in Malaysia
We examine the change in surface ozone and its precursor behavior over 20 years at four locations in western Peninsular Malaysia which have undergone urban-commercial development. Trend and correlation analyses were carried out on ozone and oxides of nitrogen observation data over the periods of 1997–2016 as well as the decadal intervals of 1997–2006 and 2007–2016. Diurnal variation composites for decadal intervals were also plotted. Significant increasing ozone concentrations were observed at all locations for the 20-year period, with a range between 0.09 and 0.21 ppb yr−1. The most urbanized location (S3) showed the highest ozone trend. Decadal intervals show that not all stations record significant increasing trends of ozone, with S1 recording decreasing ozone at a rate of −0.44 ppb yr−1 during the latter decade. Correlation analysis showed that only oxides of nitrogen ratios (NO/NO2) had significant inverse relationships with ozone at all stations corresponding to control of ozone by photostationary state reactions. The diurnal composites show that decadal difference in NO/NO2 is mostly influenced by change in nitric oxide concentrations.</jats:p
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Does loneliness, self-esteem and psychological distress correlate with problematic internet use? A Bangladeshi survey study
Background: Researchers have claimed that problematic internet use (PIU) and internet addiction (IA) is a global mental health problem. However, little research has addressed this issue in Bangladesh and no previous study has examined the relationship between PIU and potential psychological risk factors.
Aim: The present study examined the prevalence of PIU and its associated risk factors including socio-demographic variables, internet use behaviors, and other psychological variables including loneliness, self-esteem, and psychological distress.
Methods: A cross-sectional study was conducted among Bangladeshi students (N = 605). Measures included the Internet Addiction Test (IAT), Rosenberg's Self-Esteem Scale, the UCLA Loneliness Scale, and the General Health Questionnaire.
Results: Using a cut-off score of ≤60 (out of 100) on the IAT, the prevalence of PIU was 16.5% (n = 100). Regression analysis showed that sleep disturbance (more or less than 6-7 hours sleeping time), not using internet for academic purposes, and online chatting were risk factors for PIU. Loneliness and psychological distress were positively correlated with PIU, whereas self-esteem was negatively correlated.
Conclusions: The present study highlights that PIU among Bangladeshi university students is an issue of concern and that targeted prevention is needed among emerging adults to help overcome the potentially negative effects of problematic internet use
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Suicide related to the COVID-19 pandemic in India: a systematic review
Background: The suicide rate has increased during the pandemic in India. Moreover, several studies, especially press-media reporting suicide studies have been conducted but no systematic review has been attempted in this context. Therefore, the present study systematically investigated the risk factors associated with suicidal behaviors, and the method of suicide during the COVID-19 pandemic in India.
Methods: Following the PRISMA guidelines, a systematic search was performed to include papers published up until September 30, 2022. From an initial 144 papers, 18 studies which met the inclusion criteria were included in the present review. The Pierson’s method was used for quality assessment of the included studies in the present review.
Results: The risk factors associated with suicide comprised: (i) socio-demographic factors (e.g., being aged between 31 and 50 years, male, married, unemployed), (ii) behavior and health-related factors (e.g., unavailability of alcohol and alcohol withdrawal symptoms, poor state of physical health and health issues, family disputes, relationship complexities, and sexual harassment), (iii) COVID-19-related factors (e.g., fear of COVID-19, COVID-19 test results, quarantine or isolation, financial hardship due to the pandemic, having influenza-like symptoms, experiencing stigmatization and ostracism despite testing negative, separation from family due to transport restrictions, misinterpreting other illness symptoms as COVID-19, saving the village from infection, watching COVID-19 videos on social media, online schooling, perceived stigma toward COVID-19, and being suspected of having COVID-19), and (iv) psychopathological stressors (depression, loneliness, stress, TikTok addiction, and poor mental health, suicidal tendencies, helplessness, and worrying). Hanging was the most common method of suicide. In addition, jumping from high buildings, poisoning, drowning, burning, cutting or slitting throat or wrists, self-immolation, medication overdose, electrocution, pesticide, and gun-shot were also used to carry out the suicide.
Conclusions: Findings from this research suggest multiple reasons for suicide during the COVID-19 pandemic and knowledge of such factors could aid in developing suicide prevention strategies focusing the most vulnerable cohorts inside and outside India
Proceedings of the Salford Postgraduate Annual Research Conference (SPARC) 2011
These proceedings bring together a selection of papers from the 2011 Salford Postgraduate Annual Research Conference(SPARC). It includes papers from PhD students in the arts and social sciences, business, computing, science and engineering, education, environment, built environment and health sciences. Contributions from Salford researchers are published here alongside papers from students at the Universities of Anglia Ruskin, Birmingham City, Chester,De Montfort, Exeter, Leeds, Liverpool, Liverpool John Moores and Manchester
Pyrenoid loss in Chlamydomonas reinhardtii causes limitations in CO2 supply, but not thylakoid operating efficiency
The pyrenoid of the unicellular green alga Chlamydomonas reinhardtii is a microcompartment situated in the centre of the cup-shaped chloroplast, containing up to 90% of cellular Rubisco. Traversed by a network of dense, knotted thylakoid tubules, the pyrenoid has been proposed to influence thylakoid biogenesis and ultrastructure. Mutants that are unable to assemble a pyrenoid matrix, due to expressing a vascular plant version of the Rubisco small subunit, exhibit severe growth and photosynthetic defects and have an ineffective carbon-concentrating mechanism (CCM). The present study set out to determine the cause of photosynthetic limitation in these pyrenoid-less lines. We tested whether electron transport and light use were compromised as a direct structural consequence of pyrenoid loss or as a metabolic effect downstream of lower CCM activity and resulting COâ‚‚ limitation. Thylakoid organization was unchanged in the mutants, including the retention of intrapyrenoid-type thylakoid tubules, and photosynthetic limitations associated with the absence of the pyrenoid were rescued by exposing cells to elevated COâ‚‚ levels. These results demonstrate that Rubisco aggregation in the pyrenoid functions as an essential element for COâ‚‚ delivery as part of the CCM, and does not play other roles in maintenance of photosynthetic membrane energetics.We wish to gratefully acknowledge financial support to ODC by Wolfson College, the Cambridge Philosophical Society and the TH Middleton Fund (Department of Plant Sciences) toward research-related travel, which was crucial to enable this collaborative study. This work was supported by the Biotechnology and Biological Sciences Research Council (PhD studentship 1090746 to ODC and BB/M007693/1 to MTM and HG). The work was also supported by NSF grant MCB 0951094 and US Department of Energy Grants DE-FG02-07ER64427, DE- FG02-12ER16338 awarded to ARG
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