| 1. |
- Abdulle, Assyr, et al.
(författare)
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Exponential decay of the resonance error in numerical homogenization via parabolic and elliptic cell problems
- 2019
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Ingår i: Comptes rendus. Mathematique. - : Elsevier BV. - 1631-073X .- 1778-3569. ; 357:6, s. 545-551
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Tidskriftsartikel (refereegranskat)abstract
- This paper presents two new approaches for finding the homogenized coefficients of multiscale elliptic PDEs. Standard approaches for computing the homogenized coefficients suffer from the so-called resonance error, originating from a mismatch between the true and the computational boundary conditions. Our new methods, based on solutions of parabolic and elliptic cell problems, result in an exponential decay of the resonance error.
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| 2. |
- Agnew, Louise, et al.
(författare)
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Factors associated with work ability in patients with chronic whiplash-associated disorder grade II-III : a cross-sectional analysis
- 2015
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Ingår i: Journal of Rehabilitation Medicine. - : FOUNDATION REHABILITATION INFORMATION. - 1650-1977 .- 1651-2081. ; 47:6, s. 546-551
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To investigate the factors related to self-perceived work ability in patients with chronic whiplash-associated disorder grades II-III.Design: Cross-sectional analysis.Patients: A total of 166 working age patients with chronic whiplash-associated disorder.Methods: A comprehensive survey collected data on work ability (using the Work Ability Index); demographic, psychosocial, personal, work- and condition-related factors. Forward, stepwise regression modelling was used to assess the factors related to work ability.Results: The proportion of patients in each work ability category were as follows: poor (12.7%); moderate (39.8%); good (38.5%); excellent (9%). Seven factors explained 65% (adjusted R-2 = 0.65, p < 0.01) of the variance in work ability. In descending order of strength of association, these factors are: greater neck disability due to pain; reduced self-rated health status and health-related quality of life; increased frequency of concentration problems; poor workplace satisfaction; lower self-efficacy for performing daily tasks; and greater work-related stress.Conclusion: Condition-specific and psychosocial factors are associated with self-perceived work ability of individuals with chronic whiplash-associated disorder.
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| 3. |
- Ahlstedt, Carina, 1969-, et al.
(författare)
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What makes registered nurses remain in work? : An ethnographic study
- 2019
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Ingår i: International Journal of Nursing Studies. - : Elsevier Ltd. - 0020-7489 .- 1873-491X. ; 89, s. 32-38
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Tidskriftsartikel (refereegranskat)abstract
- Background: Registered nurses’ work-related stress, dissatisfaction and burnout are some of the problems in the healthcare and that negatively affect healthcare quality and patient care. A prerequisite for sustained high quality at work is that the registered nurses are motivated. High motivation has been proved to lead to better working results. The theory of inner work life describes the dynamic interplay between a person's perceptions, emotions and motivation and the three key factors for a good working life: nourishment, progress and catalysts. Objectives: The aim of the study was to explore registered nurses’ workday events in relation to inner work life theory, to better understand what influences registered nurses to remain in work. Design: A qualitative explorative study with an ethnographic approach. Methods: Participant observation over four months; in total 56 h with 479 events and 58 informal interviews during observation; all registered nurses employed at the unit (n = 10) were included. In addition, individual interviews were conducted after the observation period (n = 9). The dataset was analysed using thematic analysis and in the final step of the analysis the categories were reflected in relation to the three key factors in theory of inner work life. Results: Nourishment in a registered nurse context describes the work motivation created by the interpersonal support between colleagues. It was important to registered nurses that physicians and colleagues respected and trusted their knowledge in the daily work, and that they felt comfortable asking questions and supporting each other. Progress in the context of registered nurses’ work motivation was the feeling of moving forward with a mix of small wins and the perception of solving more complex challenges in daily work. It was also fundamental to the registered nurses’ development through new knowledge and learning during daily work. Catalysts, actions that directly facilitate the work, were highlighted as the possibility to work independently along with the opportunity to work together with other registered nurses. Conclusion: This study has a number of implications for future work and research on creating an attractive workplace for registered nurses. Working independently, with colleagues from the same profession, integrated with learning, visible progress, and receiving feedback from the work itself, contribute to work motivation.
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| 4. |
- Almquist, Martin, et al.
(författare)
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Order-preserving interpolation for summation-by-parts operators at nonconforming grid interfaces
- 2019
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Ingår i: SIAM Journal of Scientific Computing. - : Society for Industrial and Applied Mathematics Publications. - 1064-8275 .- 1095-7197. ; 41:2, s. A1201-A1227
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Tidskriftsartikel (refereegranskat)abstract
- We study nonconforming grid interfaces for summation-by-parts finite difference methods applied to partial differential equations with second derivatives in space. To maintain energy stability, previous efforts have been forced to accept a reduction of the global convergence rate by one order, due to large truncation errors at the nonconforming interface. We avoid the order reduction by generalizing the interface treatment and introducing order-preserving interpolation operators. We prove that, given two diagonal-norm summation-by-parts schemes, order-preserving interpolation operators with the necessary properties are guaranteed to exist, regardless of the grid-point distributions along the interface. The new methods retain the stability and global accuracy properties of the underlying schemes for conforming interfaces.
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| 5. |
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| 6. |
- Andersson, Anna Karin, et al.
(författare)
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Patterns of everyday functioning in preschool children born preterm and at term
- 2017
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Ingår i: Research in Developmental Disabilities. - : Elsevier BV. - 0891-4222 .- 1873-3379. ; 67, s. 82-93
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Tidskriftsartikel (refereegranskat)abstract
- Background/Aim: Children born preterm are at risk of neonatal complications but the long-term consequences for everyday functioning is not well known. The study aimed to identify patterns of everyday functioning in preschool children born preterm and at term in relation to perinatal data, neonatal risk factors, behaviour, and socioeconomic status. Registry data and data from parent rated questionnaires were collected for 331 children.Method: A person-oriented approach with a cluster analysis was used.Results: A seven cluster solution explained 65.91% of the variance. Most children (n = 232) showed patterns of strong everyday functioning. A minority of the children (n = 99), showed diverse patterns of weak everyday functioning. Perinatal characteristics, neonatal risk factors and socio-economics did not predict cluster group membership. Children born preterm were represented in all clusters.Conclusion, implications: Most preschool children are perceived by their parents with strong everyday functioning despite being born preterm. However small groups of children are, for various reasons, perceived with weak functioning, but preterm birth is not the sole contributor to patterns of weak everyday functioning. More critical for all children's everyday functioning is probably the interaction between individual factors, behavioural factors and contextual factors. To gain a broader understanding of children's everyday functioning. Child Health Services need to systematically consider aspects of body function, activity and in addition participation and environmental aspects.
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| 7. |
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| 8. |
- Andersson, Ulf, 1964-, et al.
(författare)
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In the Right Place at the Right Time! The Influence of Knowledge Governance Tools on Knowledge Transfer and Utilization in MNEs
- 2015
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Ingår i: Global Strategy Journal. - : Wiley. - 2042-5791 .- 2042-5805. ; 5:1, s. 27-47
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Tidskriftsartikel (refereegranskat)abstract
- This article examines the utilization of knowledge transferred between sending and receiving subsidiaries within multinational enterprises. A model was developed and tested on 169 specific knowledge transfer projects. The model explains the utilization of knowledge subject to transfer in terms of hierarchical governance tool efficacy and lateral relationships within the multinational enterprise. The results show that headquarters' involvement during knowledge development does not have any significant impact on subsequent knowledge utilization in the receiving units and, in fact, hierarchical governance forms have a negative impact on knowledge utilization. However, lateral relationships are positive stimuli to building subsidiary capabilities in the knowledge transfer process that enhance receiving unit knowledge utilization.
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| 9. |
- Andreae, Christina, 1969-, et al.
(författare)
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Depressive Symptoms Moderate the Association Between Appetite and Health Status in Patients With Heart Failure
- 2018
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Ingår i: Journal of Cardiovascular Nursing. - : Lippincott Williams & Wilkins. - 0889-4655 .- 1550-5049. ; 33:2, s. E15-E20
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Tidskriftsartikel (refereegranskat)abstract
- Background: Decreased appetite and depressive symptoms are clinical problems in patients with heart failure. Both may result in impaired health status. Objective: The aims of this study were to investigate the association between appetite and health status in patients with heart failure and to explore whether depressive symptoms moderate this association. Methods: In this cross-sectional study, patients with heart failure (n = 186; mean age, 71 years), New York Heart Association class II to IV, participated. Data on appetite (Council of Nutrition Appetite Questionnaire), depressive symptoms (Patient Health Questionnaire-9), and health status (EQ-5D 3-level scale [EQ-5D-3L] descriptive system, EQ-5D-3L index, and EQ Visual Analog Scale) were collected by self-rating questionnaires. Pearson correlation was used to investigate the association between appetite and health status. Multiple regression was performed to examine whether depressive symptoms moderate the association between appetite and health status. Results: There was a significant association between appetite and health status for EQ-5D-3L descriptive system, mobility (P < .001), pain/discomfort (P < .001), and anxiety/depression (P < .001). This association was also shown in EQ-5D-3L index (P < .001) and EQ Visual Analog Scale (P < .001). Simple slope analysis showed that the association between appetite and health status was only significant for patients without depressive symptoms (B = 0.32, t = 4.66, P < .001). Conclusions: Higher level of appetite was associated with better health status. In moderation analysis, the association was presented for patients without depressive symptoms. Decreased appetite is an important sign of poor health status. To improve health status, health professionals should have greater attention on appetite, as well on signs of depressive symptoms.
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| 10. |
- Andreae, Christina, 1969-, et al.
(författare)
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Prevalence and associated factors for decreased appetite among patients with stable heart failure
- 2016
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Ingår i: Journal of Clinical Nursing. - : Wiley. - 0962-1067 .- 1365-2702. ; 25:11-12, s. 1703-1712
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Tidskriftsartikel (refereegranskat)abstract
- Aims and objectivesTo explore the prevalence of decreased appetite and factors associated with appetite among patients with stable heart failure.BackgroundDecreased appetite is an important factor for the development of undernutrition among patients with heart failure, but there are knowledge gaps about prevalence and the factors related to appetite in this patient group.DesignObservational, cross-sectional study.MethodsA total of 186 patients with mild to severe heart failure were consecutively recruited from three heart failure outpatient clinics. Data were obtained from medical records (heart failure diagnosis, comorbidity and medical treatment) and self-rated questionnaires (demographics, appetite, self-perceived health, symptoms of depression and sleep). Blood samples were taken to determine myocardial stress and nutrition status. Heart failure symptoms and cognitive function were assessed by clinical examinations. The Council on Nutrition Appetite Questionnaire was used to assess self-reported appetite. Bivariate correlations and multivariate linear regression analyses were conducted to explore factors associated with appetite.ResultsSeventy-one patients (38%) experienced a loss of appetite with a significant risk of developing weight loss. The final multiple regression model showed that age, symptoms of depression, insomnia, cognitive function and pharmacological treatment were associated with appetite, explaining 27% of the total variance.ConclusionIn this cross-sectional study, a large share of patients with heart failure was affected by decreased appetite, associated with demographic, psychosocial and medical factors. Relevance to clinical practiceLoss of appetite is a prevalent problem among patients with heart failure that may lead to undernutrition. Health care professionals should routinely assess appetite and discuss patients' experiences of appetite, nutrition intake and body weight and give appropriate nutritional advice with respect to individual needs.
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