| 1. |
- Andersson, Mitchell, et al.
(författare)
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Symptoms of depression and anxiety among elite high school student-athletes in Sweden during the COVID-19 pandemic : A repeated cross-sectional study
- 2023
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Ingår i: Journal of Sports Sciences. - : Taylor & Francis. - 0264-0414 .- 1466-447X. ; 41:9, s. 874-883
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Tidskriftsartikel (refereegranskat)abstract
- The COVID-19 pandemic precipitated numerous changes in daily life, including the cancellation and restriction of sports globally. Because sports participation contributes positively to the development of student-athletes, restricting these activities may have led to long-term mental health changes in this population. Using a repeated cross-sectional study design, we measured rates of depression using the Patient Health Questionnaire-2 and anxiety using the Generalized Anxiety Disorder-2 scale in student-athletes attending elite sport high schools in Sweden during the second wave of the pandemic (February 2021; n = 7021) and after all restrictions were lifted (February 2022; n = 6228). Depression among student-athletes decreased from 19.8% in 2021 to 17.8% in 2022 (p = .008, V = .026), while anxiety screening did not change significantly (17.4% to 18.4%, p > .05). Comparisons between classes across years revealed older students exhibited decreases in depressive symptoms, while younger cohorts experienced increases in symptoms of anxiety from 2021 to 2022. Logistic regressions revealed that being female, reporting poorer mental health due to COVID-19, and excessive worry over one’s career in sports were significant predictors of both depression and anxiety screenings in 2022. Compared to times when sports participation was limited, the lifting of restrictions was associated with overall reduced levels of depression, but not anxiety.
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| 2. |
- Lazar, Isac, et al.
(författare)
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Diffusion Bonding 321-Grade Stainless Steel : Failure and Multimodal Characterization
- 2024
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Ingår i: Microscopy and Microanalysis. - : Oxford University Press. - 1431-9276 .- 1435-8115. ; 30:2, s. 192-199
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Tidskriftsartikel (refereegranskat)abstract
- Vacuum diffusion-bonded printed circuit heat exchangers are an attractive choice for the high-temperature, high-pressure demands of next-generation energy applications. However, early reports show that the high-temperature materials desired for these applications suffer from poor bond strengths due to precipitation at the bond line, preventing grain boundary migration. In this study, a diffusion bond of the high-temperature stainless steel grade 321H is investigated, and poor mechanical properties are found to be caused by Ti(C, N) precipitation at the bond line. Through in situ studies, it is found that Ti diffuses from the bulk to the mating surfaces at high temperatures. The Ti subsequently precipitates and, for the first time, an interaction between Ti(C, N) and Al/Mg-oxide precipitates at the bond line is observed, where Ti(C, N) nucleates on the oxides forming a core-shell structure. The results indicate that small amounts of particular alloying elements can greatly impact diffusion bond quality, prompting further research into the microstructural evolution that occurs during bonding conditions.
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| 3. |
- Liedholm, Rolf, et al.
(författare)
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Economic aspects of mandibular third molar surgery
- 2010
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Ingår i: Acta Odontologica Scandinavica. - : Informa UK Limited. - 0001-6357 .- 1502-3850. ; 68:1, s. 43-48
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Tidskriftsartikel (refereegranskat)abstract
- Objective. The aim of this study was to make estimates from a dental care and societal perspective on costs of mandibular third molar surgery. Material and methods. A total of 64 patients were recruited from three Swedish oral and maxillofacial specialist clinics. Calculations were made prospectively on utilization of labor time, specific medical services and materials, and standardized utilization of other direct costs. Indirect costs were identified from patient surveys. Results. The base case average direct cost of surgery was 217 Euro. Adding the patient's average cost due to absence from work and transportation of 333 Euro increased overall costs to 550 Euro per patient. About 86% of the patients reported some absence following surgery. Conclusions. The indirect costs were on average higher than the direct costs, i.e. the patient's loss of time caused higher costs than the intervention per se. Appropriate indications for mandibular third molar removal can minimize the risks of complications and individual or societal costs.
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| 4. |
- Lucander, Henriette, et al.
(författare)
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"I'll never forget this": evaluating a pilot workshop in effective communication for dental students.
- 2012
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Ingår i: Journal of dental education. - : American Dental Education Association. - 1930-7837 .- 0022-0337. ; 76:10, s. 1311-6
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Tidskriftsartikel (refereegranskat)abstract
- This study evaluated a pilot workshop for teaching communication skills to dental students. The methodology is based on an experiential learning approach, the use of realistic clinical scenarios, simulated patients, and an integrated teaching team of both educational researchers and dentists. Furthermore, the methodology was adapted for short workshops, which is thought to offer better possibilities for frequent and effective training of communication skills throughout the curriculum. The work-shop was piloted with groups of six to ten students from the sixth and tenth semesters (n=94). Results show that the majority of students found the tasks meaningful and well aligned with how they perceived their future profession as dentists. Most students also thought that they learned from the task. An interesting finding is that students not only found it instructive to practice how to communicate in authentic situations, but that they generally found the workshop to be thought-provoking while at the same time providing structure and intellectual tools for the future. A possible explanation for this finding is the sharing of explicit criteria for high-quality communication.
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