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Sökning: L773:0393 2990 OR L773:1573 7284 > Linköpings universitet

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1.
  • Engström, Gunnar, et al. (författare)
  • Pulmonary function and atherosclerosis in the general population : causal associations and clinical implications
  • 2024
  • Ingår i: European Journal of Epidemiology. - : Springer Nature. - 0393-2990 .- 1573-7284. ; 39:1, s. 35-49
  • Tidskriftsartikel (refereegranskat)abstract
    • Reduced lung function is associated with cardiovascular mortality, but the relationships with atherosclerosis are unclear. The population-based Swedish CArdioPulmonary BioImage study measured lung function, emphysema, coronary CT angiography, coronary calcium, carotid plaques and ankle-brachial index in 29,593 men and women aged 50–64 years. The results were confirmed using 2-sample Mendelian randomization. Lower lung function and emphysema were associated with more atherosclerosis, but these relationships were attenuated after adjustment for cardiovascular risk factors. Lung function was not associated with coronary atherosclerosis in 14,524 never-smokers. No potentially causal effect of lung function on atherosclerosis, or vice versa, was found in the 2-sample Mendelian randomization analysis. Here we show that reduced lung function and atherosclerosis are correlated in the population, but probably not causally related. Assessing lung function in addition to conventional cardiovascular risk factors to gauge risk of subclinical atherosclerosis is probably not meaningful, but low lung function found by chance should alert for atherosclerosis.
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2.
  • Gustafsson, Britt, et al. (författare)
  • Space-time clustering of childhood lymphatic leukaemias and non-Hodgkin's lymphomas in Sweden
  • 2000
  • Ingår i: European Journal of Epidemiology. - 0393-2990 .- 1573-7284. ; 16:12, s. 1111-1116
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The discussion concerning clusters of childhood leukaemia has mainly been focused on their relation to the time and place of diagnosis. Recently some studies have indicated clustering not only at diagnosis, but also around time and place of birth. Space-time clustering at time of birth could be of special interest if the aetiological agent is of infectious origin and the induction of leukaemia either occurs pre- or perinatally or an infection at that time favours a poor subsequent immune response to the agent. Methods: To identify possible space-time clustering we have used the close-pair method of Knox. One-thousand-twenty recorded cases (0-14 years) of childhood acute lymphatic leukaemia and 293 cases (0-14 years) of malignant non-Hodgkin's lymphoma from Sweden between 1973-1996 were analysed. The records include date of birth and of diagnosis as well as addresses at birth and at diagnosis. Results: A significant excess of case-pairs (25 observed, 14.9 expected, p = 0.01) was observed close in date and place of birth in the 4-14 year age group with acute lymphatic leukaemia (ALL). However there was no statistically significant clustering found around time of diagnosis. When the cases of leukaemia and the non-Hodgkin's lymphomas were combined no statistically significant clustering was obtained neither at birth nor at diagnosis. Conclusions: This study strengthens the evidence of space-time clustering around the birth date in children whom later developed ALL. This observation is in support of the hypothesis that pre- or perinatal infections can induce a process leading to ALL.
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3.
  • Holm, Hannes, et al. (författare)
  • Longitudinal and postural changes of blood pressure predict dementia : the Malmö Preventive Project
  • 2017
  • Ingår i: European Journal of Epidemiology. - : Springer Science and Business Media LLC. - 0393-2990 .- 1573-7284. ; 32:4, s. 327-336
  • Tidskriftsartikel (refereegranskat)abstract
    • The role of blood pressure (BP) changes in dementia is debatable. We aimed to analyse how resting and postural BP changes relate to incident dementia over a long-term follow-up. In the prospective population-based Malmö Preventive Project, 18,240 study participants (mean age: 45 ± 7 years, 63% male) were examined between 1974 and 1992 with resting and standing BP measurement, and re-examined between 2002 and 2006 at mean age of 68 ± 6 years with resting BP. A total of 428 participants (2.3%) were diagnosed with dementia through Dec 31, 2009. The association of resting and postural BP changes with risk of dementia was studied using multivariable-adjusted Cox regression models controlling for traditional risk factors. Diastolic BP (DBP) decrease on standing indicated higher risk of dementia [Hazard ratio (HR) per 10 mmHg: 1.22; 95% confidence interval (CI) 1.01–1.44, p = 0.036], which was mainly driven by increased risk in normotensive individuals. Higher systolic (SBP) and diastolic BP at re-examination was associated with lower risk of dementia (HR per 10 mmHg: 0.94; 95% CI 0.89–0.99, p = 0.011; and 0.87; 0.78–0.96, p = 0.006, respectively). Extreme decrease in SBP/DBP between baseline and re-examination (4th quartile; −7 ± 12/−15 ± 7 mmHg, respectively) indicated higher risk of dementia (HR 1.46; 95% CI 1.11–1.93, p = 0.008, and 1.54; 95% CI 1.14–2.08, p = 0.005; respectively) compared with reference group characterised by pronounced BP increase over the same period (1st quartile; +44 ± 13/+15 ± 7 mmHg). Diastolic BP decrease on standing in the middle age, decline in BP between middle-and advanced age, and lower BP in advanced age are independent risk factors of developing dementia.
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4.
  • Kristjansson, I, et al. (författare)
  • Assessment of aluminium in human deciduous teeth
  • 2000
  • Ingår i: European Journal of Epidemiology. - 0393-2990 .- 1573-7284. ; 16:3, s. 231-233
  • Tidskriftsartikel (refereegranskat)abstract
    • The possible role of environmental aluminium exposure in the pathogenesis of various diseases has highlighted the need for methods by which the long-term exposure to aluminium can be assessed. Therefore, we have further developed a method to determine aluminium in human deciduous teeth and applied this method for studying populations in Sweden, Crete and Iceland.
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5.
  • Lewis, Kate Marie, et al. (författare)
  • Mothers education and offspring asthma risk in 10 European cohort studies
  • 2017
  • Ingår i: European Journal of Epidemiology. - : SPRINGER. - 0393-2990 .- 1573-7284. ; 32:9, s. 797-805
  • Tidskriftsartikel (refereegranskat)abstract
    • Highly prevalent and typically beginning in childhood, asthma is a burdensome disease, yet the risk factors for this condition are not clarified. To enhance understanding, this study assessed the cohort-specific and pooled risk of maternal education on asthma in children aged 3-8 across 10 European countries. Data on 47,099 children were obtained from prospective birth cohort studies across 10 European countries. We calculated cohort-specific prevalence difference in asthma outcomes using the relative index of inequality (RII) and slope index of inequality (SII). Results from all countries were pooled using random-effects meta-analysis procedures to obtain mean RII and SII scores at the European level. Final models were adjusted for child sex, smoking during pregnancy, parity, mothers age and ethnicity. The higher the score the greater the magnitude of relative (RII, reference 1) and absolute (SII, reference 0) inequity. The pooled RII estimate for asthma risk across all cohorts was 1.46 (95% CI 1.26, 1.71) and the pooled SII estimate was 1.90 (95% CI 0.26, 3.54). Of the countries examined, France, the United Kingdom and the Netherlands had the highest prevalences of childhood asthma and the largest inequity in asthma risk. Smaller inverse associations were noted for all other countries except Italy, which presented contradictory scores, but with small effect sizes. Tests for heterogeneity yielded significant results for SII scores. Overall, offspring of mothers with a low level of education had an increased relative and absolute risk of asthma compared to offspring of high-educated mothers.
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6.
  • Nasr, Patrik, et al. (författare)
  • Incidence, prevalence and mortality of chronic liver diseases in Sweden between 2005 and 2019
  • 2023
  • Ingår i: European Journal of Epidemiology. - : SPRINGER. - 0393-2990 .- 1573-7284. ; 38:9, s. 973-984
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundUpdated data on the incidence, prevalence, and regional differences of chronic liver disease are missing from many countries. In this study, we aimed to describe time trends, incidence, prevalence, and mortality of a wide range of chronic liver diseases in Sweden.MethodsIn this register-based, nationwide observational study, patients with a register-based diagnosis of chronic liver disease, during 2005-2019, were retrieved from the Swedish National Board of Health and Welfare. Annual age-standardized incidence and mortality rates, and prevalence per 100,000 inhabitants was calculated and stratified on age, sex, and geographical region.ResultsThe incidence of alcohol-related cirrhosis increased by 47% (2.6% annually), reaching an incidence rate of 13.1/100,000 inhabitants. The incidence rate of non-alcoholic fatty liver disease and unspecified liver cirrhosis increased by 217% and 87% (8.0 and 4.3% annually), respectively, reaching an incidence rate of 15.2 and 18.7/100,000 inhabitants, and a prevalence of 24.7 and 44.8/100,000 inhabitants. Furthermore, incidence rates of chronic hepatitis C declined steeply, but liver malignancies have become more common. The most common causes of liver-related mortality were alcohol-related liver disease and unspecified liver disease.ConclusionThe incidence rates of diagnosed non-alcoholic fatty liver disease, alcohol-related cirrhosis, unspecified liver cirrhosis, and liver malignancies have increased during the last 15 years. Worryingly, mortality in several liver diseases increased, likely reflecting increasing incidences of cirrhosis in spite of a decreasing rate of hepatitis C. Significant disparities exist across sex and geographical regions, which need to be considered when allocating healthcare resources.
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8.
  • Trolle Lagerros, Ylva, et al. (författare)
  • Estimating physical activity using a cell phone questionnaire sent by means of short message service (SMS): a randomized population-based study
  • 2012
  • Ingår i: European Journal of Epidemiology. - : Springer Verlag (Germany). - 0393-2990 .- 1573-7284. ; 27:7, s. 561-566
  • Tidskriftsartikel (refereegranskat)abstract
    • An investigation in a randomized population-based Swedish study with 564 participants aged 18-80 years showed that mean physical activity levels obtained using short message service (SMS) by means of cell phones (n = 171) were equal to corresponding levels obtained when sending identical questions by web (n = 182) or paper (n = 211). The response rates were similar for the SMS, web and paper groups.
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9.
  • Wenemark, Marika, et al. (författare)
  • Can incentives undermine intrinsic motivation to participate in epidemiologic surveys?
  • 2010
  • Ingår i: EUROPEAN JOURNAL OF EPIDEMIOLOGY. - : Springer Science Business Media. - 0393-2990 .- 1573-7284. ; 25:4, s. 231-235
  • Tidskriftsartikel (refereegranskat)abstract
    • Response rates to surveys are decreasing. The purpose of this study was to evaluate the use of lottery tickets as incentives in an epidemiologic control group. A self-administered questionnaire was sent to parents in the municipality of Stockholm, Sweden, who were to be used as a control group in a study addressing stress in parents of children with cancer. A stratified random sample of 450 parents were randomized into three incentive groups: (a) no incentive; (b) a promised incentive of one lottery ticket to be received upon reply; (c) a promised incentive of one lottery ticket to be received upon reply and an additional lottery ticket upon reply within 1 week. The overall response rate across the three groups was 65.3%. The response rate was highest in the no incentive group (69.3%) and lowest in the one plus one lottery ticket group (62.0%). In a survival analysis, the difference between the two response curves was significant by the log-rank test (P = 0.04), with the no incentive group having a shorter time to response than the incentive group. Our findings suggest that the use of lottery tickets as incentives to increase participation in a mail questionnaire among parents may be less valuable or even harmful. Incentives may undermine motivation in studies in which the intrinsic motivation of the respondents is already high.
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