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- Fahrenholtz, Ida L, et al.
(författare)
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Effects of a 16-Week Digital Intervention on Sports Nutrition Knowledge and Behavior in Female Endurance Athletes with Risk of Relative Energy Deficiency in Sport (REDs)
- 2023
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Ingår i: Nutrients. - Basel : MDPI. - 2072-6643. ; 15:5
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Tidskriftsartikel (refereegranskat)abstract
- Female endurance athletes are considered a high-risk group for developing Relative Energy Deficiency in Sport (REDs). Due to the lack of educational and behavioral intervention studies, targeting and evaluating the effects of the practical daily management of REDs, we developed the Food and nUtrition for Endurance athletes—a Learning (FUEL) program, consisting of 16 weekly online lectures and individual athlete-centered nutrition counseling every other week. We recruited female endurance athletes from Norway (n = 60), Sweden (n = 84), Ireland (n = 17), and Germany (n = 47). Fifty athletes with symptoms of REDs and with low risk of eating disorders, with no use of hormonal contraceptives and no chronic diseases, were allocated to either the FUEL intervention (n = 32) (FUEL) or a 16-week control period (n = 18) (CON). All but one completed FUEL, while 15 completed CON. We found strong evidence for improvements in sports nutrition knowledge, assessed via interviews, and moderate to strong evidence in the ratings concerning self-perceived sports nutrition knowledge in FUEL versus CON. Analyses of the seven-day prospective weighed food record and questions related to sports nutrition habits, suggested weak evidence for improvements in FUEL versus CON. The FUEL intervention improved sports nutrition knowledge and suggested weak evidence for improved sports nutrition behavior in female endurance athletes with symptoms of REDs.
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- Jin, Taiyi, et al.
(författare)
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Environmental epidemiological study and estimation of benchmark dose for renal dysfunction in a cadmium-polluted area in China.
- 2004
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Ingår i: Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine. - : Kluwer Academic Publishers. - 0966-0844 .- 1572-8773. ; 17:5, s. 525-30
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Tidskriftsartikel (refereegranskat)abstract
- We have performed a study aimed at investigating the critical concentration of urinary cadmium (UCd) required for the development of renal dysfunction. We studied population groups (totally 790 persons) living in two cadmium exposed areas and one control area in China. UCd, was determined as an indicator of cadmium exposure and accumulation, while the concentrations of N-acetyl-beta-D-glucosaminidase (NAG), its iso-form B (NAG-B), beta2-microglobulin (B2M), retinol binding protein (RBP), and albumin (ALB) in urine were measured as indicators of the renal effects caused by cadmium. There was a significantly increased prevalence of hyperNAGuria, hyperNAG-Buria, hyperB2Muria, hyperRBPuria and hyperALBuria with increasing levels of Cd excretion in urine. We used the benchmark dose (BMD) procedure to estimate the critical concentration of urinary cadmium in this general population. The lower confidence limit of the BMD (LBMD-05) of urinary cadmium for a 5% level of risk above the background level was estimated for each of the renal effect indicators. The BMD-05/LBMD-05 were estimated to be 4.46/3.99, 6.70/5.87, 8.36/7.31, 7.98/6.98 and 15.06/12.18 microg/g creatinine for urinary NAG-B, NAG, B2M, RBP and ALB, respectively. Our findings suggest, based on the present study, that the Lower Confidence Limit of the Population Critical Concentration of UCd (LPCCUCd-05) of tubular dysfunction for 5% excess risk level above the background may be ca. 3-4 microg/g creatinine, and that cadmium concentration in urine should be kept below this level to prevent renal tubular damage. This report is the first to use the BMD method in this field and to define the concept of critical concentration in urine.
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- Johansson, Eva M., 1956-, et al.
(författare)
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Unika individer och kollektivt samspel
- 2018
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Ingår i: Samhälle, genus och pedagogik. - Trollhättan : Högskolan Väst. - 9789188847171 - 9789188847164 ; , s. 141-159
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- I detta kapitel diskuterar vi kunskaper och kunskapande i förhållande till individ och grupp. Vilka föreskrifter finns i styrdokumenten? Vi dröjer oss också kvar vid hur läraren, i sin undervisning, kan främja elevernas kunskapande? Hur möter läraren de enskilda eleverna och hur kan läraren utnyttja gruppdynamiken? Och, inte minst viktigt, hur kan läraren skapa trygga grupper där varje elev får lära och utvecklas harmoniskt och där ingen blir utanför och tappar landfästet? Slutligen knyter vi ihop detta genom att belysa undervisningen i lärarutbildningen – hur kan studenterna hitta sina segelleder och ankarplatser i fritidshemmet, skolan och förskolan?
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- Kumlien, Christine, et al.
(författare)
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Validity and test retest reliability of the vascular quality of life Questionnaire-6: a short form of a disease-specific health-related quality of life instrument for patients with peripheral arterial disease
- 2017
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Ingår i: Health and Quality of Life Outcomes. - : Springer Science and Business Media LLC. - 1477-7525. ; 15
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Tidskriftsartikel (refereegranskat)abstract
- Background: Many existing patient-reported outcome measures are extensive regarding both patient burden and administration, and in terms of analysing and reporting results. The VascuQoL-6 (VQ6) - a short version of the original Vascular Quality of Life Questionnaire (VascuQoL), a disease-specific instrument for peripheral arterial disease - was recently developed. However, the VQ6 has not yet been empirical tested with regard to content validity, construct validity and test retest reliability. Our aim was, therefore, to explore both the validity and the reliability of the VQ-6 in a target population with established peripheral arterial disease. Methods: Two hundred patients treated at two vascular centres were consecutively recruited for the survey. Administered questionnaires included VQ6 and the Short Form Health Survey-36 (SF-36). Out of the 200 patients, 150 also received a second VQ6 questionnaire for a test-retest assessment. Further, a purposive sample of 22 patients consented to participate in cognitive interviews. All included patients suffer from peripheral arterial disease. The questionnaire data was tested by both Rasch analysis and traditional psychometric methods, while the cognitive interviews were analysed descriptively. Results: The validity and reliability of the VQ6, as tested in a target population without the surrounding 19 items from the original VascuQoL, was high, in general, and a good fit to the Rasch model was observed. Further, an excellent internal consistency and significant correlations between comparable dimensions in SF-36 were demonstrated. In the test-retest analysis, the percentage agreement was somewhat poor (<70%) in the six items. However, no systematic disagreements between the two assessments were seen in any of the six items, and the test-retest assessment for the VQ6 sum score showed an acceptable intraclass correlation coefficient (0.86). Finally, all items in the VQ6 were considered as both understandable and relevant by the interviewed patients. Conclusions: The VQ6 has acceptable to good psychometric properties with regard to data quality, scale assumptions, targeting, validity and reliability. Further, VQ6 seems to be easy to use and comprehend within the target population of patients with PAD.
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- Lundström, Marita, 1955-, et al.
(författare)
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Energibesparing i ord och handling : Installation av energisparsystem och undervisning om elenergi i relation till hållbar utveckling : förskoleanställdas erfarenheter och förskolebarns förståelse
- 2017
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Centrum för hållbar utveckling (CHU) på Högskolan Väst har tillsammans med teknikföretaget Raybased finansierat och genomfört detta forskningsprojekt om energibesparing. Syftet med riktade samverkansprojekt är att främja forskning och/eller utveckling i nära samarbete mellanforskare och externa aktörer. I ett samverkansprojekt är det forskaren och den externa verksamheten/aktören som tillsammans formulerar de frågeställningar som ska studeras, och undersökningens upplägg och metod arbetas fram i dialog mellan forskaren och samverkansparten. Avsikten med samverkansprojekt inom CHU på Högskolan Väst är att de ska främja kunskapsutveckling kring hållbarhetsfrågor. Det här forskningsprojektet syftar till att få fördjupad kunskap om brukarnas upplevelser av såväl implementering som användande av ett nytt energisparsystem på en förskola i Trollhättan. Systemet installerades av Raybased och omfattar belysning, värme och ventilation på förskolans samtliga tre avdelningar. I samband med installationen byttes armaturerna ut, och dimrar och rörelsevakter för belysningen installerades i vissa utrymmen. På varje avdelning finns numera också en display(läsplatta) med hjälp av vilken personalen kan reglera belysning, värme och ventilation samt avläsa statistik över energiförbrukningen på de olika avdelningarna. Studien undersöker även om energisparsystemet kan knytas till den pedagogiska verksamhetens innehåll. Det görs i form av en lärstudie (delstudie 2) med fokus på hållbar utveckling där vi prövar om förskolebarn kan utveckla en förståelse för hur vatten kan omvandlas till elenergi.
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- Lundström, Marita, 1955-
(författare)
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Förskolebarns strävanden att kommunicera matematik
- 2015
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The aim of this study is to explore and describe preschool children’s use of mathematics in their communication with others. This study is limited to examining situations in which children communicate with other children and adults. Moreover, the aim is to deepen the understanding of how preschool children use mathematics to convey mathematical meanings with other children and adults in preschool. The research questions is: How do children communicate mathematics? In what kind of situations does mathematics occur in their communication? What mathematical content is communicated? The theoretical framework is selected from a sociocultural perspective, which is a collective term for theories which assume that language's original function is communicative and that it is a means of social interaction. From a socio-cultural perspective, language, culture and children's actions are seen as essential elements of childhood development and learning. Prerequisites for this development include children’s participation in creating an interaction with their environment. In order to study preschool children's mathematical communication, this study is based in ethnographic methodological traditions. The results show that preschool children communicate mathematics through: linguistic expressions, semiotics, linguistic tools and bodily expressions. Children communicate mathematically in situations when: they are making comparisons, when they are comparing changes, and when they are trying to give descriptions about the world which surrounds them. It also shows that preschool routines, material support and activities stimulate mathematical communication. When teachers are supportive and engaged in children’s communication their mathematical knowledge can also be developed and deepened
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