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  • Ask, Anna, et al. (author)
  • Studenters uppmärksamhet under föreläsningar
  • 2009
  • In: Proceedings utvecklingskonferens 09 Lunds Universitet. - 9789197797429 ; , s. 112-120
  • Conference paper (peer-reviewed)abstract
    • Föreläsningar är vanlig undervisningsform på Lunds Tekniska Högskola (LTH). Deras stora fördel är att information överförs ekonomiskt och effektivt till många studenter samtidigt men de har även sina begränsningar. Kritiker menar att information överförs till passivt mottagande studenter och att bristande uppmärksamhet och engagemang hos studenterna begränsar mängden kunskap som faktiskt tas emot. En intervju- och litteraturstudie har genomförts för att dels inventera vilka metoder som finns för att hålla studenternas uppmärksamhet uppe och dels vilka som tillämpas av föreläsare vid LTH. Variation och olika former av aktivering framstår såväl i litteraturen som i intervjuerna som viktiga metoder. I artikeln presenteras även inspiration kring hur man kan använda variation, och andra aktiviteter för att engagera och aktivera studenterna samt hur man kan strukturera en föreläsning. De flesta av de intervjuade föreläsarna uppger att de utvecklat sina strategier genom erfarenhet medan knappt hälften nämner pedagogiska kurser.
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  • Bergström, Malin, et al. (author)
  • Fifty moves a year: is there an association between joint physical custody and psychosomatic problems in children?
  • 2015
  • In: Journal of Epidemiology and Community Health. - : BMJ Publishing Group. - 0143-005X .- 1470-2738. ; 69:8, s. 769-774
  • Journal article (peer-reviewed)abstract
    • Background In many Western countries, an increasing number of children with separated parents have joint physical custody, that is, live equally much in their parents respective homes. In Sweden, joint physical custody is particularly common and concerns between 30% and 40% of the children with separated parents. It has been hypothesised that the frequent moves and lack of stability in parenting may be stressful for these children. Methods We used data from a national classroom survey of all sixth and ninth grade students in Sweden (N=147839) to investigate the association between childrens psychosomatic problems and living arrangements. Children in joint physical custody were compared with those living only or mostly with one parent and in nuclear families. We conducted sex-specific linear regression analyses for z-transformed sum scores of psychosomatic problems and adjusted for age, country of origin as well as childrens satisfaction with material resources and relationships to parents. Clustering by school was accounted for by using a two-level random intercept model. Results Children in joint physical custody suffered from less psychosomatic problems than those living mostly or only with one parent but reported more symptoms than those in nuclear families. Satisfaction with their material resources and parent-child relationships was associated with childrens psychosomatic health but could not explain the differences between children in the different living arrangements. Conclusions Children with non-cohabitant parents experience more psychosomatic problems than those in nuclear families. Those in joint physical custody do however report better psychosomatic health than children living mostly or only with one parent. Longitudinal studies with information on family factors before and after the separation are needed to inform policy of childrens postseparation living arrangements.
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  • Bergström, Malin, et al. (author)
  • Living in two homes-a Swedish national survey of wellbeing in 12 and 15 year olds with joint physical custody
  • 2013
  • In: BMC Public Health. - : Springer Science and Business Media LLC. - 1471-2458. ; 13
  • Journal article (peer-reviewed)abstract
    • Background The practice of joint physical custody, where children spend equal time in each parent's home after they separate, is increasing in many countries. It is particularly common in Sweden, where this custody arrangement applies to 30 per cent of children with separated parents. The aim of this study was to examine children's health-related quality of life after parental separation, by comparing children living with both parents in nuclear families to those living in joint physical custody and other forms of domestic arrangements.Methods Data from a national Swedish classroom study of 164,580 children aged 12 and 15-years-old were analysed by two-level linear regression modelling. Z-scores were used to equalise scales for ten dimensions of wellbeing from the KIDSCREEN-52 and the KIDSCREEN-10 Index and analysed for children in joint physical custody in comparison with children living in nuclear families and mostly or only with one parent.Results Living in a nuclear family was positively associated with almost all aspects of wellbeing in comparison to children with separated parents. Children in joint physical custody experienced more positive outcomes, in terms of subjective wellbeing, family life and peer relations, than children living mostly or only with one parent. For the 12-year-olds, beta coefficients for moods and emotions ranged from -0.20 to -0.33 and peer relations from -0.11 to -0.20 for children in joint physical custody and living mostly or only with one parent. The corresponding estimates for the 15-year-olds varied from -0.08 to -0.28 and from -0.03 to -0.13 on these subscales. The 15-year-olds in joint physical custody were more likely than the 12-year-olds to report similar wellbeing levels on most outcomes to the children in nuclear families.Conclusions Children who spent equal time living with both parents after a separation reported better wellbeing than children in predominantly single parent care. This was particularly true for the 15-year-olds, while the reported wellbeing of 12-years-olds was less satisfactory. There is a need for further studies that can account for the pre and post separation context of individual families and the wellbeing of younger age groups in joint physical custody.
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  • Butorin, Sergei M., et al. (author)
  • Local Symmetry Effects in Actinide 4f X-ray Absorption in Oxides
  • 2016
  • In: Analytical Chemistry. - : American Chemical Society (ACS). - 0003-2700 .- 1520-6882. ; 88:8, s. 4169-4173
  • Journal article (peer-reviewed)abstract
    • A systematic X-ray absorption study at actinide N-6,(7) (4f -> 6d transitions) edges was performed for light-actinide oxides including data obtained for the first time for NpO2, PuO2 and UO3. The measurements were supported by ab initio calculations based on local-density approximation. with added 5f-5f Coulomb interaction (LDA+U). Improved energy resolution compared to common experiments at actinide L-2,L-3 (2p -> 6d transitions) edges allowed us to resolve the major structures of the 13 unoccupied 6d density of states (DOS) and estimate the crystal-field 116) splittings in the 6d shell directly from the spectra of light-actinide dioxides. The measurements demonstrated an enhanced sensitivity of the N-6,N-7, spectral shape to changes in the compound crystal structure. For nonstoichiometric NpO2-x, the filling of the entire band gap with Np 6d states was observed thus supporting a phase coexistence of Np metal and stoichiometric NpO2 which is in agreement with the tentative Np-O phase diagram.
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  • Butorin, Sergei. M., et al. (author)
  • Probing Chemical Bonding in Uranium Dioxide by Means of High- Resolution X-ray Absorption Spectroscopy
  • 2016
  • In: The Journal of Physical Chemistry C. - : American Chemical Society (ACS). - 1932-7447 .- 1932-7455. ; 120:51, s. 29397-29404
  • Journal article (peer-reviewed)abstract
    • A systematic X-ray absorption study at the U 3d, 4d, and 4f edges of UO2 was performed, and the data were analyzed within framework of the Anderson impurity model. By applying the high-energy-resolution fluorescence-detection (HERFD) mode of X-ray absorption spectroscopy (XAS) at the U 3d(3/2) edge and conducting the XAS measurements at the shallower U 4f levels, fine details of the XAS spectra were resolved resulting from reduced core-hole lifetime broadening. This multiedge study enabled a far more effective analysis of the electronic structure at the U sites and characterization of the chemical bonding and degree of the 5f localization in UO2. The results support the covalent character of UO2 and do not agree with the suggestions of rather ionic bonding in this compound as expressed in some publications.
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  • Chen, Tian-Jiao, et al. (author)
  • Regional, socioeconomic and urban-rural disparities in child and adolescent obesity in China : a multilevel analysis
  • 2011
  • In: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 100:12, s. 1583-1589
  • Journal article (peer-reviewed)abstract
    • Aim:  To study socio-demographic patterns of obesity in Chinese children and adolescents. Methods:  Data came from the 2005 cycle of the Chinese National Survey on Student's Constitution and Health. In all, 231 326 subjects aged 7-18 years, distributed across 622 schools and 30 provinces, were analysed. Multilevel modelling was used to estimate variations at individual, school area and province levels. Results:  The prevalence of obesity varied enormously across different areas. Young people living in high socioeconomic and urban areas had higher body mass index (BMI) and higher odds of overweight and obesity than those living in lower socioeconomic and rural areas. Subjects living in provinces with a higher standard of living, as indicated by less perinatal mortality, lower Engel coefficient, and higher personal expenditure on health had higher BMI and higher odds of overweight and obesity than those living in less affluent provinces. An interaction between gender and urbanicity revealed that boys in urban areas were especially prone to obesity. Conclusion:  In contrast to most present-day high income countries, obesity among young people in China is associated with affluence and urban residence. Intervention and strategy for obesity prevention should be targeting high socioeconomic families in urban areas, perhaps with particular focus on boys.
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  • Fröberg, Frida, 1973-, et al. (author)
  • The Association Between Compulsory School Achievement and Problem Gambling Among Swedish Young People
  • 2015
  • In: Journal of Adolescent Health. - : Elsevier. - 1054-139X .- 1879-1972. ; 56:4, s. 420-428
  • Journal article (peer-reviewed)abstract
    • Purpose We aimed to examine the association between school grades at the age of 16 years and problem gambling at the age of 17–25 years among Swedish females and males. Methods In a cohort design, we followed the 16- to 24-year-old participants in the representative Swedish Longitudinal Gambling Study for 2 years, 2008/2009 and 2009/2010, generating 3,816 person-years of follow-up time. The outcome, incidence of mild and moderate/severe gambling problems, was measured by the Problem Gambling Severity Index in telephone interviews. The exposure was register-linked information about final grades in compulsory school. The association between school grades and problem gambling was estimated in multinomial logistic regressions. Results Low and average school grades were associated with increased incidence of mild and moderate/severe problem gambling compared to high grades, adjusted for sociodemographic characteristics, psychological distress, and alcohol use. Low grades, compared to high grades, were associated with a higher risk of mild gambling problems for adolescent males, whereas the incidence proportion of moderate/severe problem gambling was high for males aged 20–25 years with low grades, among whom unemployment was also very high. Furthermore, we found a strong and graded association between school grades and moderate/severe problem gambling for women in both age groups, despite a low prevalence of gambling participation among females compared to males. Conclusions Our findings show that Swedish youth with low school achievement have an increased risk of gambling problems up to 8 years after school graduation, after control for confounding from sociodemographic characteristics, psychological distress, and alcohol use, and that this association is stronger for females than males.
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  • Hellsvik, Johan, et al. (author)
  • General method for atomistic spin-lattice dynamics with first-principles accuracy
  • 2019
  • In: Physical Review B. - : American Physical Society. - 2469-9969 .- 2469-9950. ; 99:10
  • Journal article (peer-reviewed)abstract
    • We present a computationally efficient and general first-principles based method for spin-lattice simulations for solids and clusters. The method is based on a coupling of atomistic spin dynamics and molecular dynamics simulations, expressed through a spin-lattice Hamiltonian, where the bilinear magnetic term is expanded up to second order in displacement. The effect of first-order spin-lattice coupling on the magnon and phonon dispersion in bcc Fe is reported as an example, and we observe good agreement with previous simulations. We also illustrate the coupled spin-lattice dynamics method on a more conceptual level, by exploring dissipation-free spin and lattice motion of small magnetic clusters (a dimer, trimer, and tetramer). The method discussed here opens the door for a quantitative description and understanding of the microscopic origin of many fundamental phenomena of contemporary interest, such as ultrafast demagnetization, magnetocalorics, and spincaloritronics.
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  • Hjern, Anders, et al. (author)
  • Migrant density and well-being-A national school survey of 15-year-olds in Sweden
  • 2013
  • In: European Journal of Public Health. - : Oxford University Press (OUP): Policy B - Oxford Open Option D. - 1101-1262 .- 1464-360X. ; 23:5, s. 823-828
  • Journal article (peer-reviewed)abstract
    • Background: The aim of this study was to investigate the impact of migrant density in school on the well-being of pupils with a migrant origin in first as well as second generation. Methods: Cross-sectional analysis of data from a national classroom survey of 15-year-old Swedish schoolchildren. The study population included 76 229 pupils (86.5% participation) with complete data set from 1352 schools. Six dimensions of well-being from the KIDSCREEN were analysed in two-level linear regression models to assess the influence of migrant origin at individual level and percentage of students with a migrant origin at school level, as well as interaction terms between them. Z-scores were used to equalize scales. Results: A high density (andgt; 50%) of pupils with a migrant origin in first or second generation was associated with positive well-being on all six scales for foreign-born pupils originating in Africa or Asia compared with schools with low (andlt; 10%) migrant density. The effect sizes were 0.56 for boys and 0.29 for girls on the comprehensive KIDSCREEN 10-index (P andlt; 0.001) and 0.61 and 0.34, respectively, for psychological well-being (P andlt; 0.001). Of the boys and girls born in Africa or Asia, 31.6% and 34.6%, respectively, reported being bullied during the past week in schools with low (andlt; 10%) migrant density. Conclusions: Pupils born in Africa or Asia are at high risk for being bullied and having impaired well-being in schools with few other migrant children. School interventions to improve peer relations and prevent bullying are needed to promote well-being in non-European migrant children.
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  • Jablonska, Beata, et al. (author)
  • School effects on risk of non-fatal suicidal behaviour : a national multilevel cohort study
  • 2014
  • In: Social Psychiatry and Psychiatric Epidemiology. - : Springer Science and Business Media LLC. - 0933-7954 .- 1433-9285. ; 49:4, s. 609-618
  • Journal article (peer-reviewed)abstract
    • ObjectiveResearch has demonstrated school effects on health, over and above the effects of students’ individual characteristics. This approach has however been uncommon in mental health research. The aim of the study was to assess whether there are any school-contextual effects related to socioeconomic characteristics and academic performance, on the risk of hospitalization from non-fatal suicidal behaviour (NFSB).MethodsA Swedish national cohort of 447,929 subjects was followed prospectively in the National Patient Discharge Register from the completion of compulsory school in 1989–93 (≈16 years) until 2001. Multilevel logistic regression was used to assess the association between school-level characteristics and NFSB.ResultsA small but significant share of variation in NFSB was accounted for by the school context (variance partition coefficient <1 %, median odds ratio = 1.26). The risk of NFSB was positively associated with the school’s proportion of students from low socioeconomic status (SES), single parent household, and the school’s average academic performance. School effects varied, in part, by school location.ConclusionNFSB seems to be explained mainly by individual-level characteristics. Nevertheless, a concentration of children from disadvantaged backgrounds in schools appears to negatively affect mental health, regardless of whether or not they are exposed to such problems themselves. Thus, school SES should be considered when planning prevention of mental health problems in children and adolescents.
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  • Kapaklis, Vassilios, et al. (author)
  • Temperature dependence of the electrical resistivity and electronic structure of amorphous Fe100-xZrx films and multilayers
  • 2012
  • In: Journal of Physics. - : IOP Publishing. - 0953-8984 .- 1361-648X. ; 24:49, s. 495402-
  • Journal article (peer-reviewed)abstract
    • The electrical resistivity of amorphous Fe100-xZrx metal alloy films and multilayers has been investigated in a wide temperature and composition range. The overall behavior of the resistivity is consistent with bulk measurements, exhibiting prominent semiconductor-like changes at low temperatures. The transition from positive (metallic) to negative temperature coefficient of resistivity behavior is accompanied by minute changes in magnetoresistance and we can therefore rule out magnetic phase changes as being the cause for the observed changes in the resistivity. Using x-ray absorption and emission spectroscopies we are able to probe the unoccupied and occupied electronic densities of states. The corresponding spectra are found to significantly overlap, as expected for a metallic-like electronic structure and the absence of a band gap. Besides a broadening of the x-ray emission lines expected from an amorphous material, remarkably small differences are observed in the electronic structures when changing the amount of Zr. The resistivity data were modeled and agreement with the Mott variable range hopping model was found, indicating localized electronic states due the disordered structure of the Fe100-xZrx alloys.
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  • Kvashnina, Kristina, et al. (author)
  • Changes in electronic structure of copper films in aqueous solutions
  • 2007
  • In: Journal of Physics. - : IOP Publishing. - 0953-8984 .- 1361-648X. ; 19:22, s. 226002-
  • Journal article (peer-reviewed)abstract
    • The possibilities for using x-ray absorption spectroscopy (XAS) and resonant inelastic x-ray scattering (RIXS) to probe the Cu oxidation state and changes in the electronic structure during interaction between copper and ground-water solutions were examined. Surface modifications induced by chemical reactions of oxidized 100 Å Cu films with Cl−, SO42− and HCO3− ions in aqueous solutions with various concentrations were studied in situ using liquid cells. Copper corrosion processes in ground water were monitored for up to nine days. By comparing Cu 2p–3d, 4s transitions for a number of reference substances previously measured, changes in electronic structure of the Cu films were analysed. The XAS and RIXS spectral shape at the Cu edge, the chemical shift of the main line for Cu2+, and the energy positions of the observed satellites served as a tool for monitoring the changes during the reaction. It was found that the pH value and the Cl− concentration in solutions strongly affect the speed of the corrosion reaction.
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  • Larsson, Jenny, et al. (author)
  • Moving Mesh and Image Registration in FEniCS
  • 2017
  • In: Proceedings of 30th Nordic Seminar on Computational Mechanics – NSCM30. - : Technical University of Denmark. ; , s. 180-183
  • Conference paper (other academic/artistic)abstract
    • Image registration is about finding a transformation that warps a source image into a target image, matching gross features. It is a critical task in medical imaging. Computational anatomy (CA) is a state-of-the-art framework for image registration, founded in the theory of fluid dynamics and PDE: one seeks a time-dependent vector field that generates a continuous warp of the source image into the target image.Here we construct a finite element realisation of CA by representing the continuous warp by a moving mesh. The PDE governing the motion of the mesh is an infinitedimensional nonlinear gradient flow; a brief description is given in section 2. In essence, it is a time-stepping problem, where an elliptic PDE is solved in each time step using the FEniCS finite element package. The solution process is summarised in fig. 1.Although commonly used in medical contexts, we stress that CA has promising applications also in structural engineering, as discussed in section 4.
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  • Ledberg, Anders, et al. (author)
  • Are there really no causal associations between childhood family income and subsequent outcomes?
  • 2022
  • In: International Journal of Epidemiology. - : Oxford University Press (OUP). - 0300-5771 .- 1464-3685. ; 51:6, s. 2027-2028
  • Journal article (peer-reviewed)abstract
    • We read with interest the recent paper by Sariaslan et al.1 investigating the associations between childhood family income and three outcomes observed later in life: psychiatric disorders, substance misuse and violent crime arrests. The paper contains a careful analysis of a large and relevant dataset of more than 650 000 individuals born in Finland in 1986–96, who were followed from age 15, when income was assessed, until 2017 or 2018. The authors use two types of analysis in the paper: one in which differences in the outcomes are accounted for by variability in income between families (henceforth between-family analysis) and one, the so-called sibling comparison, in which outcome differences are accounted for only by income variability within families (henceforth within-family analysis). In the between-family analysis, the authors find consistent associations between a number of related estimates of childhood family income and the three outcomes (e.g. Figure 2 in the paper). However, and this is the main finding of the paper, these associations between income and the three outcomes completely disappear in the within-family analysis. From this, the authors conclude that ‘[a]ssociations between childhood family income and subsequent risks … were not consistent with a causal interpretation’.
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  • Modin, Anders, et al. (author)
  • 5 f-Shell correlation effects in dioxides of light actinides studied by O 1s x-ray absorption and emission spectroscopies and first-principles calculations
  • 2015
  • In: Journal of Physics. - : IOP Publishing. - 0953-8984 .- 1361-648X. ; 27:31
  • Journal article (peer-reviewed)abstract
    • Soft x-ray emission and absorption spectroscopic data are reported for the O 1s region of a single crystal of UO2, a polycrystalline NpO2 sample, and a single crystal of PuO2. The experimental data are interpreted using first-principles correlated-electron calculations within the framework of the density functional theory with added Coulomb U interaction (DFT+U). A detailed analysis regarding the origin of different structures in the x-ray emission and x-ray absorption spectra is given and the effect of varying the intra-atomic Coulomb interaction-U for the 5f electrons is investigated. Our data indicate that O 1s x-ray absorption and emission spectroscopies can, in combination with DFT+U calculations, successfully be used to study 5f-shell Coulomb correlation effects in dioxides of light actinides. The values for the Coulomb U parameter in these dioxides are derived to be in the range of 4-5 eV.
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  • Modin, A., et al. (author)
  • Closed source experimental system for soft x-ray spectroscopy of radioactive materials
  • 2008
  • In: Review of Scientific Instruments. - : AIP Publishing. - 0034-6748 .- 1089-7623. ; 79:9, s. 093103-
  • Journal article (peer-reviewed)abstract
    • An instrumental and experimental setup for soft x-ray spectroscopy meeting the requirements of a closed source for radioactivity is described. The system consists of a vacuum sealed cell containing the sample, mounted on a tubing system to ensure compatibility with most standard manipulators. The soft x rays penetrate a thin x-ray window separating the interior of the cell from the vacuum in the experimental chamber. Our first results for single crystal PuO2 confirm the feasibility of experiments using the setup. The results are consistent with results of first principles calculations and previously recorded spectra obtained using a standard open source setup. The results show that the closed source experimental system can be used to collect valuable experimental data from radioactive materials.
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  • Modin, Anders, et al. (author)
  • Indication of single-crystal PuO2 oxidation from O 1s x-ray absorption spectra
  • 2011
  • In: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 83:7, s. 075113-
  • Journal article (peer-reviewed)abstract
    • The electronic structure of single-crystal PuO2 is studied using O 1s x-ray absorption (XA) and x-ray emission. Interpretation of the experimental data is supported by extensive first-principles calculations on the basis of the density functional theory + U approach. The measured XA spectra show a significant difference in intensity for the first two peaks between different spots or areas on the single crystal. Our theoretical simulations show that the first peak, at similar to 531 eV, can be attributed to O 2p-Pu 5f hybridization, while the second peak, at similar to 533.4 eV, is due to hybridization of O 2p with Pu d states. The reasons for the observed differences in the O 1s XA spectra are explored by calculating a number of defect structures PuO2+x as well as by simulating the existence of Pu(V) sites. Our results indicate the presence of oxidation states higher than Pu(IV) in some areas of the single crystal. The findings also suggest that plutonium oxide with a Pu fraction in an oxidation state higher than Pu(IV) consists of inequivalent Pu sites with (PuO2)-O-(IV) and (PuO2)-O-(V) rather than representing a system where the Pu oxidation state is constantly fluctuating between Pu(IV) and Pu(V).
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  • Modin, Anders, 1975- (author)
  • Resonant Soft X-ray Spectroscopic Studies of Light Actinides and Copper Systems
  • 2009
  • Doctoral thesis (other academic/artistic)abstract
    • Light actinides and copper systems were studied using resonant soft X-ray spectroscopy.An instrumental and experimental setup for soft X-ray spectroscopy meeting the requirements of a closed source for radioactivity was developed and described in detail. The setup was used for studies of single-crystal PuO2 oxidation. The existence of higher oxidation state than Pu(IV) in some surface areas of the single crystal were found from O 1s X-ray absorption measurements. Furthermore, from comparison with first principles calculations it was indicated that plutonium oxide with Pu fraction in a higher oxidation state than Pu(IV) consists of inequivalent sites with Pu(IV)O2 and Pu(V)O2 rather than a system where the Pu oxidation state is constantly fluctuating between Pu(IV) an Pu(V).It was shown that a combination of resonant O Kα X-ray emission and O 1s X-ray absorption spectroscopies can be used to study electron correlation effects in light-actinide dioxides.The electronic structure of copper systems was studied using resonant inelastic soft X-ray scattering and absorption spectroscopy. It was found that X-ray absorption can be used to monitor changes in the oxidation state but as differences between systems with the same oxidation state are in many cases small, speciation is uncertain. Therefore, a method utilizing resonant inelastic X-ray scattering as fingerprint to characterize complex copper systems was developed. The data recorded at certain excitation energies revealed unambiguous spectral fingerprints for different divalent copper systems. These specific spectral fingerprints were then used to study copper films exposed to different solutions. In particular, it was shown that resonant inelastic X-ray scattering can be used in situ to distinguish between CuO and Cu(OH)2, which is difficult with other techniques.
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  • Modin, Bitte, et al. (author)
  • School Contextual Features of Social Disorder and Mental Health Complaints—A Multilevel Analysis of Swedish Sixth-Grade Students
  • 2018
  • In: International Journal of Environmental Research and Public Health. - : MDPI AG. - 1661-7827 .- 1660-4601. ; 15:1
  • Journal article (peer-reviewed)abstract
    • This study addressed school-contextual features of social disorder in relation to sixth-grade students' experiences of bullying victimization and mental health complaints. It investigated, firstly, whether the school's concentrations of behavioural problems were associated with individual students' likelihood of being bullied, and secondly, whether the school's concentrations of behavioural problems and bullying victimization predicted students' emotional and psychosomatic health complaints. The data were derived from the Swedish National Survey of Mental Health among Children and Young People, carried out among sixth-grade students (approximately 12-13 years old) in Sweden in 2009. The analyses were based on information from 59,510 students distributed across 1999 schools. The statistical method used was multilevel modelling. While students' own behavioural problems were associated with an elevated risk of being bullied, attending a school with a higher concentration of students with behavioural problems also increased the likelihood of being bullied. Attending a school with higher levels of bullying victimization and behavioural problems predicted more emotional and psychosomatic complaints, even when adjusting for their individual level analogues. The findings indicate that school-level features of social disorder influence bullying victimization and mental health complaints among students.
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  • Wallby, Thomas, 1956-, et al. (author)
  • Child health care utilisation in families with young or single mothers in a Swedish county
  • 2013
  • In: Journal of Child Health Care. - : SAGE Publications. - 1367-4935 .- 1741-2889. ; 17:1, s. 17-29
  • Journal article (peer-reviewed)abstract
    • Young age and lone parenthood are risk factors for impaired health among mothers and their children. Due to the higher risks of negative influences on physical and mental health, young and single mothers should be of special concern to the Child Health Services (CHS). In the present study, we investigated consumption patterns of child health care services among young and single mothers in Uppsala County, Sweden to study whether they are reached by the universal CHS program and if selective or indicative measures were administered in daily CHS practice. Register data on CHS contacts and socio-demographic indicators were collected for 10692 infants, born in 1998-2006. Results show small differences in contact pattern and immunization status, between children of young versus older, and single versus cohabiting mothers. However, both young (RR 0.64) and single (RR 0.80) mothers had significantly lower rates of participation in parental group. The CHS were consequently successful in implementing the universal preventive child health programme for all families, including families with young or single mothers. There was no indication, however, of an established selective preventive strategy aimed at these high risk families. Programs for strengthening the support provided to vulnerable families by the CHS are needed.
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