Search for dissertations about: "skolbarn"

Showing result 6 - 10 of 22 swedish dissertations containing the word skolbarn.

2. 6. Epidemiology of food hypersensitivity in school children : validation with double-blind placebo-controlled food challenges and biomarkers

   Author : Anna Winberg; Christina West; Eva Rönmark; Sibylle Koletzko; Umeå universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; food hypersensitivity; schoolchildren; epidemiology; food challenges; biomarkers;

   Abstract : Background: This thesis focuses on the incidence and remission of reported food hypersensitivity in schoolchildren followed from 8 to 12 -years of age and the prevalence of hypersensitivity to milk, egg, cod and wheat among 12-year olds investigated by reported data, clinical investigation and double-blind placebo-controlled food challenges and biomarkers.Methods: The studies are mainly based on a population based cohort recruited in 2006 from three municipalities in Northern Sweden. READ MORE

4. 7. Fats in Mind : Effects of Omega-3 Fatty Acids on Cognition and Behaviour in Childhood

   Author : Ulrika Birberg Thornberg; Thomas Karlsson; Magnus Lindgren; Linköpings universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Cognition; Omega-3 Fatty Acids; Children; ADHD; Executive Functions; kognition; omega-3 fettsyror; barn; ADHD; exekutiva funktioner; Psychology; Psykologi;

   Abstract : The aim of this thesis was to examine possible effects of omega-3 fatty acids on children’s cognition and behavior. Longitudinal as well as cross-sectional comparisons were made among children with typical development and children with ADHD /at risk developing ADHD. READ MORE

5. 8. Prevalence of refractive errors and incidence of myopia in Swedish schoolchildren

   Author : Pelsin Demir; António Filipe Macedo; Karthikeyan Baskaran; Niall Strang; Linnéuniversitetet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Refractive error; myopia; prevalence; incidence; risk factors; children; fovea; macula; autorefractor; aberrometer; synfel; refraktion; myopi; barn; prevalens; incidens; riskfaktorer; fovea; makula; autorefractor; aberrometer; Optometry; Optometri;

   Abstract : PurposeThe aim of this thesis was to investigate the prevalence, incidence, and risk factors for myopia development in a cohort of Swedish schoolchildren. The specific goals were: - to recruit a cohort of children aged 8 to 16 years and to follow the cohort over a period of 24 months with regular study visits; - to investigate the predictive value of relative peripheral error and other optical parameters for the prevalence and incidence of myopia; - to determine and investigate the predictive value of genetic and environmental factors, and structural characteristics of the eye to the incidence of myopia. READ MORE

6. 9. Magnitude Processing in Developmental Dyscalculia : A Heterogeneous Learning Disability with Different Cognitive Profiles

   Author : Kenny Skagerlund; Ulf Träff; Thomas Karlsson; Bert De Smedt; Linköpings universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Developmental Dyscalculia; mathematical learning disabilities; number sense; Dyskalkyli; matematiksvårigheter; antalsuppfattning;

   Abstract : Developmental dyscalculia (DD) is a learning disability that is characterized by severe difficulties with acquiring age-appropriate mathematical skills that cannot be attributed to insufficient education, language skills, or motivation. The prevalence rate is estimated at 3-6%, meaning that a substantial portion of the population struggles to learn mathematics to such a large degree that it affects overall well-being and academic prospects. READ MORE

7. 10. Intergenerational Persistence and Ethnic Disparities in Education

   Author : Per Engzell; Jan O. Jonsson; Carina Mood; Jenny Torssander; Richard Breen; Stockholms universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; education; endogeneity; equality of opportunity; ethnic inequality; immigrant selectivity; large-scale assessments; measurement error; proxy variables; social origin; socioeconomic status; Sweden; Sociology; sociologi;

   Abstract : This thesis consists of four self-contained essays in the sociology of educational stratification. Study I draws on newly collected survey data to assess the biases that arise in estimating socioeconomic differences in achievement when relying on parent and student reported data on social background. READ MORE