| 1. |
- Björk, Maria, et al.
(författare)
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An Everyday Struggle - Swedish Families' Lived Experiences During a Child's Cancer Treatment
- 2009
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Ingår i: Journal of Pediatric Nursing. - : Elsevier. - 0882-5963 .- 1532-8449. ; 24:5, s. 423-432
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Tidskriftsartikel (refereegranskat)abstract
- The aim was to elucidate families' lived experience during a child's cancer treatment. Interviews were conducted with members of 11 affected families. A hermeneutical phenomenological approach was chosen. "Focus on the ill child-An everyday struggle" emerged as an essential theme. The families' lived experience of daily life was described as "feeling drained," "disrupting family life," "feeling locked up and isolated," "retaining normality," "becoming experts," and "changing perspectives." The result indicates that life during a child's cancer treatment is a taxing period and that the entire family is in need of support to ease their burdens. © 2009 Elsevier Inc. All rights reserved.
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| 2. |
- Björk, Maria, et al.
(författare)
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Like being covered in a wet and dark blanket : Parents' lived experiences of losing a child to cancer
- 2016
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Ingår i: European Journal of Oncology Nursing. - : Elsevier. - 1462-3889 .- 1532-2122. ; 25, s. 40-45
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: The aim of this study was to illuminate parents' lived experiences of losing a child to cancer. Method: Interviews and a narrative about parents' experiences of losing a child to cancer were gathered from six parents of children whom had participated in a longitudinal study across the child's illness trajectory. The analysis of the data was inspired by van Manen's hermeneutic phenomenological approach. Results: One essential theme emerged: Like being covered in a wet and dark blanket, as well as six related themes: Feeling conflicting emotions, Preparing for the moment of death, Continuing parenting after death, Recollecting and sharing memories, Working through the sorrow and New perspectives in life. Conclusion: There is a need for good palliative care. If not, there is a risk that the parent will perseverate and blame themselves for not being a good parent during the suffering child's last time in life. Meetings with the parents six months and two years after the child's death might facilitate healing through the grief process.
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| 3. |
- Björk, Maria, et al.
(författare)
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Needs of young children with cancer during their initial hospitalization : An observational study
- 2006
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Ingår i: Journal of Pediatric Oncology Nursing. - : Sage Publications. - 1043-4542 .- 1532-8457. ; 23:4, s. 210-219
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this study was to describe young (under the age of 7) children's needs as expressed by their behavior, body language and verbal expression through observations during their initial hospitalization after being diagnosed with cancer. Twelve children under the age of seven were followed during 26 hours with non-participant unstructured observations. Field notes were written after each observation and transcribed into a narrative text, which was analyzed by content analysis at both manifest and latent level. Five themes were identified, of which "need to have the parent close by" was the most prominent. The other themes were "need to play and feel joy," "need for participation in care and treatment," "need for a good relationship with the staff," and "need for physical and emotional satisfaction." The results indicate that the children needed their parents and the parents' presence helped the children to express other needs. Professionals need to support the child and his or her parents so that the parents in their turn can support and alleviate their child's hospitalization and cancer treatment. © 2006 by Association of Pediatric Oncology Nurses.
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| 4. |
- Björk, Maria, et al.
(författare)
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Returning to a changed ordinary life - families' lived experience after completing a child's cancer treatment
- 2011
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Ingår i: European Journal of Cancer Care. - : John Wiley & Sons. - 0961-5423 .- 1365-2354. ; 20:2, s. 163-169
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Tidskriftsartikel (refereegranskat)abstract
- The aim of the study was to illuminate the families' lived experience after completing a child's cancer treatment. The study took place at a University Hospital in southern Sweden. Interviews were carried out with 10 mothers, eight fathers, four patients and two siblings from a total of 10 families. The interviews were analysed with a hermeneutical phenomenological approach. One essential theme emerged from their stories, ‘returning to a changed ordinary life – incorporating a trying and contradictory experience’. The families felt relieved that the treatment was over yet they experienced strains in their daily life. Family members felt changed and especially the parents needed to focus on themselves in order to recover. Closeness with other people, especially their own family, was important. The previously sick children felt a loss of concern from their parents when treatment had ended, in contrast to siblings who experienced increased attention from their parents. Parents experienced being in uncharted territory and sometimes missed the security of hospital. For professionals it is important to offer the family a structured follow-up to help them in their daily life after the child's treatment is completed.
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| 5. |
- Björk, Maria, et al.
(författare)
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Striving to survive : Families' lived experiences when a child is diagnosed with cancer
- 2005
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Ingår i: Journal of Pediatric Oncology Nursing. - : Sage Publications. - 1043-4542 .- 1532-8457. ; 22:5, s. 265-275
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Tidskriftsartikel (refereegranskat)abstract
- When a child is ill with cancer, this affects the whole family for long periods. The aim of this study was to elucidate the family's lived experience when a child in the family was diagnosed with cancer. A descriptive inductive design with a hermeneutic phenomenological approach including interviews with 17 families (parents, children, and siblings) was chosen. The families' lived experience was described as a 2-fold essential theme comprising "a broken life world" and an immediate "striving to survive." The families' secure everyday life disappeared and was replaced by fear, chaos, and loneliness. When striving to make the child and the family survive, family members strove to feel hope and have a positive focus, to gain control, and to feel close to other people. Phenomenological human science research can deepen the understanding of the meaning of being a family with a child who is ill with cancer and can help pediatric oncology staff become increasingly thoughtful, and thus better prepared to take action to diminish the chaos occurring in the family. © 2005 by Association of Pediatric Oncology Nurses.
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| 6. |
- Dybjer, Elin, et al.
(författare)
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Type 1 diabetes, cognitive ability and incidence of cardiovascular disease and death over 60 years of follow-up time in men
- 2022
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Ingår i: Diabetic Medicine. - : Wiley. - 0742-3071 .- 1464-5491. ; 39:8
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Tidskriftsartikel (refereegranskat)abstract
- Aims There are few cohorts of type 1 diabetes that follow individuals over more than half a century in terms of health outcomes. The aim of this study was to examine associations between type 1 diabetes, diagnosed before age 18, and long-term morbidity and mortality, and to investigate whether cognitive ability plays a role in long-term morbidity and mortality risk. Methods In a Swedish cohort, 120 men with type 1 diabetes and 469 without type 1 diabetes were followed between 18 and 77 years of age as regards morbidity and mortality outcomes, and impact of cognitive ability at military conscription for the outcomes. In Cox regression analyses and Kaplan-Meier analyses with log-rank tests, associations between diabetes and cognitive ability respectively, and outcomes (mortality, cardiovascular morbidity and diabetes complications) were investigated. Results Men with type 1 diabetes suffered from dramatically higher mortality (HR 4.62, 95% CI: 3.56-5.60), cardiovascular mortality (HR 5.60, 95% CI: 3.27-9.57), and cardiovascular events (HR 3.97, 95% CI: 2.79-5.64) compared to men without diabetes. Higher cognitive ability at military conscription was associated with lower mortality in men without diabetes, but was not associated with any outcome in men with diabetes. Conclusions In this historical cohort study with 60 years of follow-up time and a less effective treatment of diabetes than today, mortality rates and cardiovascular outcomes were high for men with type 1 diabetes. Morbidity or mortality did not differ between those that had low to normal or high cognitive ability among men with type 1 diabetes.
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| 7. |
- Ghasemi, Rohollah, 1983-, et al.
(författare)
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Load effect on scratch micro-mechanisms of solution strengthened Compacted Graphite Irons
- 2019
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Ingår i: Tribology International. - : Elsevier. - 0301-679X .- 1879-2464. ; 133, s. 182-192
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Tidskriftsartikel (refereegranskat)abstract
- This study investigates the scratch load effect, from 100 to 2000 mN, on micro-mechanisms involved during scratching. A pearlitic and three ferritic Compacted Graphite Irons (CGI) solution strengthened through addition of 3.66, 4.09, and 4.59 Si wt% were investigated. Good correlation was observed between hardness measurements, tensile testing, and scratch results explaining the influence of matrix characteristics on scratch behaviour for investigated alloys. A significant matrix deformation, change in frictional force and scratch coefficient of friction was observed by increase in scratch load. In all cases, microscratch depth and width increased significantly with load increasing, however pearlitic CGI showed most profound deformation, while the maximum and minimum scratch resistances were observed for high-Si ferritic and pearlitic CGI alloys, respectively.
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| 8. |
- Hacker, R Scott, et al.
(författare)
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A Test for Multivariate ARCH Effects
- 2005
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Ingår i: Applied Economics Letters. - : Informa UK Limited. - 1350-4851 .- 1466-4291. ; 12:7, s. 411-417
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Tidskriftsartikel (refereegranskat)abstract
- This paper extends Engle's LM test for ARCH affects to multivariate cases. The size and power properties of this multivariate test for ARCH effects in VAR models are investigated based on asymptotic and bootstrap distributions. Using the asymptotic distribution, deviations of actual size from nominal size do not appear to be very excessive. Nevertheless, there is a tendency for the actual size to overreject the null hypothesis when the nominal size is 1% and underreject the null when the nominal size is 5% or 10%. It is found that using a bootstrap distribution for the multivariate LM test is generally superior in achieving the appropriate size to using the asymptotic distribution when (1) the nominal size is 5%; (2) the sample size is small (40 observations) and/or the VAR system is stable. With a small sample, the power of the test using the bootstrap distribution also appears better at the 5% nominal size.
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| 9. |
- Hacker, R Scott, 1964-, et al.
(författare)
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Optimal lag-length choice in stable and unstable VAR models under situations of homoscedasticity and ARCH
- 2008
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Ingår i: Journal of Applied Statistics. - : Routledge. - 0266-4763 .- 1360-0532. ; 35:6, s. 601-615
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Tidskriftsartikel (refereegranskat)abstract
- The performance of different information criteria - namely Akaike, corrected Akaike (AICC), Schwarz-Bayesian (SBC), and Hannan-Quinn - is investigated so as to choose the optimal lag length in stable and unstable vector autoregressive (VAR) models both when autoregressive conditional heteroscedasticity (ARCH) is present and when it is not. The investigation covers both large and small sample sizes. The Monte Carlo simulation results show that SBC has relatively better performance in lag-choice accuracy in many situations. It is also generally the least sensitive to ARCH regardless of stability or instability of the VAR model, especially in large sample sizes. These appealing properties of SBC make it the optimal criterion for choosing lag length in many situations, especially in the case of financial data, which are usually characterized by occasional periods of high volatility. SBC also has the best forecasting abilities in the majority of situations in which we vary sample size, stability, variance structure (ARCH or not), and forecast horizon (one period or five). frequently, AICC also has good lag-choosing and forecasting properties. However, when ARCH is present, the five-period forecast performance of all criteria in all situations worsens.
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| 10. |
- Hacker, R Scott, et al.
(författare)
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Tests for Causality between Integrated Variables Using Asymptotic and Bootstrap Distributions : Theory and Application
- 2006
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Ingår i: Applied Economics. - : Informa UK Limited. - 0003-6846 .- 1466-4283. ; 38:13, s. 1489-1500
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Tidskriftsartikel (refereegranskat)abstract
- Causality tests in the Granger's sense are increasingly applied in empirical research. Since the unit root revolution in time-series analysis, several modifications of tests for causality have been introduced in the literature. One of the recent developments is the Toda-Yamamoto modified Wald (MWALD) test, which is attractive due to its simple application, its absence of pre-testing distortions, and its basis on a standard asymptotical distribution irrespective of the number of unit roots and the cointegrating properties of the data. This study investigates the size properties of the MWALD test and finds that in small sample sizes this test performs poorly on those properties when using its asymptotical distribution, the chi-square. It is suggested that use be made of a leveraged bootstrap distribution to lower the size distortions. Monte Carlo simulation results show that an MWALD test based on a bootstrap distribution has much smaller size distortions than corresponding cases when the asymptotic distribution is used. These results hold for different sample sizes, integration orders, and error term processes (homoscedastic or ARCH). This new method is applied to the testing of the efficient market hypothesis
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