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Sökning: LAR1:gu > Lissner Lauren 1956

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11.
  • Amberntsson, Anna, et al. (författare)
  • Maternal vitamin D status in relation to infant BMI growth trajectories up to 2 years of age in two prospective pregnancy cohorts
  • 2022
  • Ingår i: Obesity Science & Practice. - : Wiley. - 2055-2238. ; 8:5, s. 670-681
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Early childhood growth can affect the child's health status later in life. Maternal vitamin D status has been suggested to affect early childhood growth. However, there is a lack of studies investigating the role of maternal vitamin D status on growth trajectories during infancy. By using growth mixture modeling (GMM), maternal vitamin D status during pregnancy can be investigated in relation to different classes of infant growth trajectories. Objectives: To examine the association between maternal 25-hydroxyvitamin D (25OHD) and classes of infant body mass index (BMI) growth trajectories. Methods: Mother-child pairs were included from the Norwegian Mother, Father, and Child Cohort Study (MoBa, n = 2522) and the Swedish GraviD cohort (n = 862). Maternal 25OHD in pregnancy was analyzed by liquid chromatography tandem mass spectrometry. Children's weights and heights were registry-based. GMM identified classes of infant BMI growth trajectories up to 2 years. The association between maternal 25OHD and infant BMI class by cohort was estimated using a log-link generalized linear model. Mixed model analysis estimated the pooled association including both cohorts. Results: Two infant BMI classes were identified, stable normal and stable high. In MoBa, maternal 25OHD <50 and 50-75 nmol/L were associated (RR 2.70, 95% CI 1.26-5.77 and RR 2.56, 95% CI 1.20-5.47) with a higher risk of the infant stable high BMI class, compared with 25OHD >75 nmol/L. In GraviD, no association was found. In pooled analysis, maternal 25OHD <= 75 nmol/L was non-significantly associated with a higher risk of the stable high BMI growth class. Conclusions: Maternal 250HD <= 75 nmol/L may be associated with a higher class of BMI growth trajectory during infancy.
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12.
  • Amberntsson, Anna, et al. (författare)
  • Vitamin D intake and determinants of vitamin D status during pregnancy in The Norwegian Mother, Father and Child Cohort Study
  • 2023
  • Ingår i: Frontiers in Nutrition. - 2296-861X. ; 10
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundNorwegian data on vitamin D status among pregnant women indicate a moderate to high prevalence of insufficient vitamin D status (25-hydroxyvitamin D (25OHD) concentrations & LE;50 nmol/L). There is a lack of population-based research on vitamin D intake and determinants of 25OHD in pregnant women from northern latitudes. The aims of this study were (1) to evaluate total vitamin D intake from both diet and supplements, (2) to investigate determinants of vitamin D status, and (3) to investigate the predicted response in vitamin D status by total vitamin D intake, in pregnant Norwegian women. MethodsIn total, 2,960 pregnant women from The Norwegian Environmental Biobank, a sub-study within The Norwegian Mother, Father and Child Cohort Study (MoBa), were included. Total vitamin D intake was estimated from a food frequency questionnaire in gestational week 22. Concentrations of plasma 25OHD was analyzed by automated chemiluminescent microparticle immunoassay method in gestational week 18. Candidate determinant variables of 25OHD were chosen using stepwise backward selection and investigated using multivariable linear regression. Predicted 25OHD by total vitamin D intake, overall and stratified by season and pre-pregnancy BMI, was explored using restricted cubic splines in an adjusted linear regression. ResultsOverall, about 61% of the women had a total vitamin D intake below the recommended intake. The main contributors to total vitamin D intake were vitamin D supplements, fish, and fortified margarine. Higher 25OHD concentrations were associated with (in descending order of the beta estimates) summer season, use of solarium, higher vitamin D intake from supplements, origin from high income country, lower pre-pregnancy BMI, higher age, higher vitamin D intake from foods, no smoking during pregnancy, higher education and energy intake. During October-May, a vitamin D intake according to the recommended intake was predicted to reach sufficient 25OHD concentrations >50 nmoL/L. ConclusionThe findings from this study highlight the importance of the vitamin D intake, as one of few modifiable determinants, to reach sufficient 25OHD concentrations during months when dermal synthesis of vitamin D is absent.
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13.
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14.
  • Andersson, B., et al. (författare)
  • Testosterone concentrations in women and men with NIDDM
  • 1994
  • Ingår i: Diabetes Care. ; 17, s. 405-411
  • Tidskriftsartikel (refereegranskat)abstract
    • Department of Medicine, Sahlgren's Hospital, University of Göteborg, Sweden. OBJECTIVE--To evaluate androgen concentrations in relation to insulin resistance in men and women with and without NIDDM. Recent studies have indicated the potential importance of the regulation of insulin sensitivity by androgens in both women and men. Low sex hormone binding globulin (SHBG) concentration is an independent risk factor for the development of non-insulin-dependent diabetes mellitus (NIDDM) in women and is strongly associated statistically with signs of insulin resistance. RESEARCH DESIGN AND METHODS--We compared measurements of anthropometric variables and SHBG, steroid hormone, and insulin concentrations of women and men who have NIDDM with those of control subjects. RESULTS--Women with NIDDM had somewhat higher plasma insulin concentrations, lower SHBG, and higher free testosterone values than did control subjects with similar body mass index (BMI). Women with NIDDM had marginally higher waist-to-hip ratios (WHR). Plasma insulin concentrations correlated positively with BMI, WHR, and free testosterone and negatively with SHBG. In multivariate analyses, insulin concentrations remained positively associated with BMI and free testosterone. Men with NIDDM had higher fasting plasma insulin concentrations than did the nondiabetic control subjects. Testosterone and SHBG were lower in the diabetic men than in both control groups. The derived value of free testosterone was not different between groups. Univariate correlation analyses revealed tight statistical couplings between plasma insulin on the one hand and SHBG and testosterone concentrations (negative) on the other. In multivariate analyses, only the insulin-testosterone association remained. CONCLUSIONS: Women with NIDDM have high levels of free testosterone and low levels of SHBG. Insulin resistance is closely correlated with these signs of hyperandrogenicity as well as with obesity. Men with NIDDM also have low levels of SHBG and, in contrast to women, low testosterone values. Insulin values correlate negatively with these hormonal factors. Based on the results of experimental work and intervention studies, we suggest that these androgen abnormalities might be causally related to insulin resistance in NIDDM. PMID: 8062607 [PubMed - indexed for MEDLINE]
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15.
  • Andersson, Christina, 1955, et al. (författare)
  • Drinking context and problematic alcohol consumption in young Swedish women : Drinking context and problematic alcohol consumption
  • 2013
  • Ingår i: Addiction Research and Theory. - : Informa UK Limited. - 1606-6359 .- 1476-7392. ; 21:6, s. 457-468
  • Tidskriftsartikel (refereegranskat)abstract
    • Previous research has indicated that a variety of contextual factors are involved in the development of drinking behavior. An integrated perspective can extend our understanding of the context and circumstances in which individuals drink. In this study, a person-oriented approach, cluster analysis, was used to identify drinking context clusters in a population of 20- and 25-year-old Swedish women. A further aim was to analyze how these clusters were associated with problematic alcohol consumption (high episodic drinking (HED) and alcohol use disorder (AUD)). A total of 760 respondents were interviewed, some in 1996 and some in 2001. Self-reported effects of drinking and situational factors associated with drinking alcohol were used in the cluster analysis procedure. Logistic regression models were used to analyze the associations with problematic alcohol consumption. The results revealed four distinct clusters of drinking patterns: coping drinkers, social drinkers, controlled drinkers, and moderate drinkers. Differences between clusters concerning problematic alcohol consumption were found. HED was significantly more common among the social drinkers and alcohol use disorder was more prevalent among the coping drinkers. Age differences and to a lesser extent secular trends in drinking pattern could be observed. The findings suggest that information on drinking context can help to explain differences in patterns of risky drinking and AUD. This highlights the importance of identifying groups of individuals with potentially harmful drinking patterns, which could be the target of specific preventive actions.
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16.
  • André, Malin, et al. (författare)
  • Cohort differences in personality in middle-aged women during a 36-year period. Results from the Population Study of Women in Gothenburg
  • 2010
  • Ingår i: Scandinavian Journal of Public Health. - : SAGE Publications. - 1403-4948 .- 1651-1905. ; 38:5, s. 457-464
  • Tidskriftsartikel (refereegranskat)abstract
    • AIM: To investigate secular trends in personality traits in adult female populations. METHODS: Two representative, population-based cohorts of women, 38 (n = 318) and 50 (n = 593) years of age participated in a health examination in 1968 and 2004 in Gothenburg, Sweden. The Eysenck Personality Inventory (EPI) and Cesarec-Marke Personality Schedule (CMPS) were used to measure personality traits. Socioeconomic and lifestyle variables (personal income, education, marital status, children at home, physical activity and smoking) were reported. RESULTS: In both age groups, secular comparisons in psychological profile subscales showed an increase in dominance, exhibition, aggression and achievement. Only small divergences were seen concerning affiliation, guilt feelings, nurturance and succorance. EPI showed a corresponding rise in extroversion. Social data showed a statistically significant increase in percentage of unmarried women, personal income levels, and higher educational achievement. While around 70% of women in 1968-69 had elementary school education only, around 90% had high school or university education in 2004-05. CONCLUSIONS: The results indicate major transitions in the adult Swedish female population in the direction of a more stereotypically ''male'' personality profile, but not at the expense of traditionally socially important female traits, which remained constant. These results are consistent with the hypothesis that society and the environment influence personality.
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17.
  • André, Malin, et al. (författare)
  • Personality in women and associations with mortality: a 40-year follow-up in the Population Study of Women in Gothenburg
  • 2014
  • Ingår i: BMC Women's Health. - : BioMed Central. - 1472-6874. ; 14:61
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The question of whether personality traits influence health has long been a focus for research and discussion. Therefore, this study was undertaken to examine possible associations between personality traits and mortality in women. Methods: A population-based sample of women aged 38, 46, 50 and 54 years at initial examination in 1968-69 was followed over the course of 40 years. At baseline, 589 women completed the Cesarec-Marke Personality Schedule (the Swedish version of the Edwards Personal Preference Schedule) and the Eysenck Personality Inventory. Associations between personality traits and mortality were tested using Cox proportional hazards models. Results: No linear associations between personality traits or factor indices and mortality were found. When comparing the lowest (Q1) and highest quartile (Q4) against the two middle quartiles (Q2 + Q3), the personality trait Succorance Q1 versus Q2 + Q3 showed hazard ratio (HR) = 1.37 (confidence interval (CI) = 1.08-1.74), and for the factor index Aggressive non-conformance, both the lowest and highest quartiles had a significantly higher risk of death compared to Q2 + Q3: for Q1 HR = 1.32 (CI = 1.03-1.68) and for Q4 HR = 1.36 (CI = 1.06-1.77). Neither Neuroticism nor Extraversion predicted total mortality. Conclusions: Personality traits did not influence long term mortality in this population sample of women followed for 40 years from mid- to late life. One explanation may be that personality in women becomes more circumscribed due to the social constraints generated by the role of women in society.
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18.
  • Arvidsson, Daniel, 1974, et al. (författare)
  • Reexamination of Accelerometer Calibration with Energy Expenditure as Criterion: VO2net Instead of MET for Age-Equivalent Physical Activity Intensity
  • 2019
  • Ingår i: Sensors. - : MDPI AG. - 1424-8220. ; 19:15
  • Tidskriftsartikel (refereegranskat)abstract
    • Accelerometer calibration for physical activity (PA) intensity is commonly performed using Metabolic Equivalent of Task (MET) as criterion. However, MET is not an age-equivalent measure of PA intensity, which limits the use of MET-calibrated accelerometers for age-related PA investigations. We investigated calibration using VO2net (VO2gross - VO2stand; mL.min(-1).kg(-1)) as criterion compared to MET (VO2gross/VO2rest) and the effect on assessment of free-living PA in children, adolescents and adults. Oxygen consumption and hip/thigh accelerometer data were collected during rest, stand and treadmill walk and run. Equivalent speed (Speed(eq)) was used as indicator of the absolute speed (Speed(abs)) performed with the same effort in individuals of different body size/age. The results showed that VO2net was higher in younger age-groups for Speedabs, but was similar in the three age-groups for Speed(eq). MET was lower in younger age-groups for both Speed(abs) and Speed(eq). The same VO2net-values respective MET-values were applied to all age-groups to develop accelerometer PA intensity cut-points. Free-living moderate-and-vigorous PA was 216, 115, 74 and 71 min/d in children, adolescents, younger and older adults with VO2net-calibration, but 140, 83, 74 and 41 min/d with MET-calibration, respectively. In conclusion, VO2net calibration of accelerometers may provide age-equivalent measures of PA intensity/effort for more accurate age-related investigations of PA in epidemiological research.
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19.
  • Arvidsson, Louise, et al. (författare)
  • Bidirectional associations between psychosocial well-being and adherence to healthy dietary guidelines in European children: prospective findings from the IDEFICS study
  • 2017
  • Ingår i: Bmc Public Health. - : Springer Science and Business Media LLC. - 1471-2458. ; 17:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: In children the relationship between a healthy diet and psychosocial well-being has not been fully explored and the existing evidence is inconsistent. This study investigates the chronology of the association between children's adherence to healthy dietary guidelines and their well-being, with special attention to the influence of weight status on the association. Methods: Seven thousand six hundred seventy five children 2 to 9 years old from the eight-country cohort study IDEFICS were investigated. They were first examined between September 2007 and June 2008 and re-examined again 2 years later. Psychosocial well-being was measured using self-esteem and parent relations questions from the KINDL (R) and emotional and peer problems from the Strengths and Difficulties Questionnaire. A Healthy Dietary Adherence Score (HDAS) was calculated from a 43-item food frequency questionnaire as a measure of the degree to which children's dietary intake follows nutrition guidelines. The analysis employed multilevel logistic regression (country as random effect) with bidirectional modeling of dichotomous dietary and well-being variables as both exposures and outcomes while controlling for respective baseline values. Results: A higher HDAS at baseline was associated with better self-esteem (OR 1.2, 95% CI 1.0; 1.4) and fewer emotional and peer problems (OR 1.2, 95% CI 1.1; 1.3 and OR 1.3, 95% CI 1.2; 1.4) 2 years later. For the reversed direction, better self-esteem was associated with higher HDAS 2 years later (OR 1.1 95% CI 1.0; 1.29). The analysis stratified by weight status revealed that the associations between higher HDAS at baseline and better well-being at follow-up were similar in both normal weight and overweight children. Conclusion: Present findings suggest a bidirectional relation between diet quality and self-esteem. Additionally, higher adherence to healthy dietary guidelines at baseline was associated with fewer emotional and peer problems at follow-up, independent of children's weight status.
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20.
  • Arvidsson, Louise, et al. (författare)
  • BMI, eating habits and sleep in relation to salivary counts of mutans streptococci in children - the IDEFICS Sweden study
  • 2016
  • Ingår i: Public Health Nutrition. - : Cambridge University Press. - 1368-9800 .- 1475-2727. ; 19:6, s. 1088-1092
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The objective of the present study was to investigate the association between salivary counts of mutans streptococci (MS) and children's weight status, while considering associated covariates. MS ferments carbohydrates from the diet and contributes to caries by lowering the pH in dental plaque. In adults, high counts of MS in saliva have been associated with overweight, but this has not been shown in children. Design: Cross-sectional study investigating salivary counts of MS, BMI Z-score, waist circumference, meal frequency, sugar propensity and sleep duration, in children. Setting: West Sweden. Subjects: Children (n 271) aged 4-11 years. Results: Medium-high counts of MS were positively associated with higher BMI Z-score (OR=1.6; 95 % CI 1.1, 2.3). Positive associations were also found between medium-high counts of MS and more frequent meals per day (OR=1.5; 95 % CI 1.1, 2.2), greater percentage of sugar-rich foods consumed (OR=1.1; 95 % CI 1.0, 1.3) and female sex (OR=2.4; 95 % CI 1.1, 5.4). A negative association was found between medium-high counts of MS and longer sleep duration (OR=0.5; 95 % CI 0.3, 1.0). Conclusions: BMI Z-score was associated with counts of MS. Promoting adequate sleep duration and limiting the intake frequency of sugar-rich foods and beverages could provide multiple benefits in public health interventions aimed at reducing dental caries and childhood overweight.
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