Publications by authors named "Carstensen T"

: Whiplash trauma is a worldwide significant public health issue, with post-collision chronic pain and physical and mental disability; the prevalence of whiplash trauma in the Japanese general population is estimated at 1.2% and in the Danish general population the whiplash condition has been reported to be 2.9%.

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Objective: To examine the development and persistence of multiple physical symptoms (MPS) over a decade including the associations with sociodemographics and coping strategies.

Method: A longitudinal study of 16,405 individuals aged 20-64 years participating in the Danish Symptom Cohort (DaSC) was conducted in 2012 with follow-up data in 2022 (DaSC II). MPS were assessed according to the unifying diagnostic construct of bodily distress syndrome, and coping was measured with the Brief Approach/Avoidance Coping Questionnaire.

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Background: Evidence of incidence of functional somatic disorders (FSD) is hampered by unclear delimitations of the conditions and little is known about the possible interchangeability between syndromes. Further, knowledge on remission and persistence of FSD in the general population is limited. We aimed to assess the natural course of various FSD over 5 years in the general population.

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Medication nonadherence is common and results in avoidable morbidity, mortality, and burdens on healthcare systems. This paper proposes a preventative approach to medication nonadherence. We consider existing evidence on the prevalence and determinants of nonadherence early in a patient's medication-taking journey, and map these to potential opportunities for intervention.

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Objectives: This study investigates the construct validity of the Danish Tampa Scale for Kinesiophobia (TSK).

Methods: The English 17-item scale was translated into Danish adhering to WHO's guidelines. The construct validity of the TSK was examined in a random general population sample of 4,884 18- to 72-year olds with pain within the past 4 weeks.

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Background: While study approaches have been directly associated with students' academic performance, learning environment factors may play a more indirect role. The aim of this study was (i) to assess learning environment factors as predictors of students' average exam grades, and (ii) whether study approaches mediated associations between learning environment factors and exam grades.

Methods: Three annual surveys (2017-2019) yielded data from a total of 263 Norwegian occupational therapy students.

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Objective: To compare the prevalence of multiple physical symptoms, coping scores, and associations between multiple physical symptoms and coping in two population-based surveys within a 10-year interval.

Methods: A nationwide study on symptoms and healthcare-seeking, the Danish Symptom Cohort, was carried out in 2012 and repeated in 2022. For each survey, 100,000 randomly selected individuals were invited, and individuals aged 20-64 years were eligible for inclusion.

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Article Synopsis
  • Researchers studied how genetic variation affects vaccine responses in infants from African countries, finding specific HLA associations with antibody responses to vaccines like pertussis and hepatitis B.
  • They used genetic data from over 1,700 individuals to identify patterns in HLA types that could explain up to 10% of the response variability in infants to these vaccines.
  • The study highlighted differences in immune responses based on ancestry, indicating that understanding HLA-DRB1 expression could help refine vaccine design for better effectiveness in diverse populations.
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This study aimed to gain knowledge about the cross-sectional and longitudinal associations between learning concepts and approaches to studying among occupational therapy students. A repeated cross-sectional design was combined with a longitudinal study design. Self-report questionnaires assessed sociodemographic variables, learning concepts, and approaches to studying (deep/strategic/surface).

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Background: Functional somatic disorder (FSD) is a unifying diagnosis that includes functional somatic syndromes such as irritable bowel, chronic widespread pain (CWP) and chronic fatigue. Several psychological factors are associated with FSD. However, longitudinal population-based studies elucidating the causal relationship are scarce.

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Mapping the functional human genome and impact of genetic variants is often limited to European-descendent population samples. To aid in overcoming this limitation, we measured gene expression using RNA sequencing in lymphoblastoid cell lines (LCLs) from 599 individuals from six African populations to identify novel transcripts including those not represented in the hg38 reference genome. We used whole genomes from the 1000 Genomes Project and 164 Maasai individuals to identify 8,881 expression and 6,949 splicing quantitative trait loci (eQTLs/sQTLs), and 2,611 structural variants associated with gene expression (SV-eQTLs).

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An increasing number of sexual assaults (SAs) are being reported. This study investigated associations between SA and FSD, conceptualized as bodily distress syndrome (BDS), and five functional somatic syndromes (FSSs): chronic widespread pain (CWP), irritable bowel (IB), chronic fatigue (CF), multiple chemical sensitivity (MCS), and whiplash-associated disorder (WAD). Participants ( = 7493) from the population-based cohort Danish Study of Functional Disorders (DanFunD) completed questionnaires on FSD, emotional distress, SA, and sociodemographics.

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Article Synopsis
  • Inclusion body myositis is a common muscle-wasting disease in people over 50, and no effective drug treatment currently exists, prompting research into the oral drug arimoclomol.
  • A double-blind, placebo-controlled study was conducted on 152 adults in specialist centers across the USA and the UK, randomly assigning them to receive either arimoclomol or a placebo for 20 months.
  • The primary goal was to measure changes in muscle function using the Inclusion Body Myositis Functional Rating Scale, with safety evaluations including all participants who received at least one dose of the medication.
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Unlabelled: Childhood adverse life events, in particular illness-related events, have been proposed as a risk factor for development of health anxiety.

Objective: To examine: 1) The association between accumulated early adverse life events and health anxiety in adulthood and 2) The influence of specific types of life events, i.e.

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HIV-1 remains a global health crisis, highlighting the need to identify new targets for therapies. Here, given the disproportionate HIV-1 burden and marked human genome diversity in Africa, we assessed the genetic determinants of control of set-point viral load in 3,879 people of African ancestries living with HIV-1 participating in the international collaboration for the genomics of HIV. We identify a previously undescribed association signal on chromosome 1 where the peak variant associates with an approximately 0.

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Hepatitis B virus (HBV) vaccine escape mutants (VEM) are increasingly described, threatening progress in control of this virus worldwide. Here we studied the relationship between host genetic variation, vaccine immunogenicity and viral sequences implicating VEM emergence. In a cohort of 1,096 Bangladeshi children, we identified human leukocyte antigen (HLA) variants associated with response vaccine antigens.

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Objective: To enable measurement of coping in the general Danish population the aims of this study are to 1) describe the translation and cultural adaption of the Danish Brief Approach/Avoidance Coping Questionnaire (BACQ) and 2) investigate the psychometric properties of the Danish BACQ.

Design: The BACQ was translated and adapted into Danish, and the psychometric properties tested in two samples of adult Danish citizens: Sample  = 167, used for exploratory factor analysis (EFA), and Sample  = 330 persons, used for confirmatory factor analysis (CFA). Internal consistency was evaluated by Cronbach's Alpha, item-to-rest correlation, and scale-to-scale Pearson correlation.

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Objective: Several psychological factors have been proposed to be associated with functional somatic disorders (FSD) including functional somatic syndromes, such as irritable bowel, chronic widespread pain, and chronic fatigue. However, large randomly selected population-based studies of this association are sparse. This study aimed to investigate the association between FSD and perceived stress and self-efficacy, respectively, and to investigate if FSD differed from severe physical diseases on these aspects.

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Background: The present study investigated differences in symptom perceptions between individuals with functional disorders (FD), major health conditions, and FDs + major health conditions, respectively, and a group of healthy individuals. Furthermore, it investigated the relevance of FDs among other health-related and psychological correlates of symptom perceptions in the framework of the Common Sense Model of Self-Regulation (CMS).

Method: This cross-sectional study used epidemiological data from the Danish Study of Functional Disorders part two (N = 7,459 participants, 54% female, 51.

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Objective: Coping has been suggested as a perpetuating factor for physical symptoms. The aim of this study was to examine the use of the coping strategies approach, resignation, and diversion in individuals with multiple physical symptoms according to the construct of Bodily Distress Syndrome (BDS).

Methods: This cross-sectional study was part of the nationwide web-based survey Danish Symptom Cohort (DaSC).

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Relationships between learning environment variables and students' approaches to studying have been investigated from many points of view over the last decades. However, few studies have explored whether such relationships are stable over time. In the two consecutive cross-sectional analyses performed in this study, Norwegian occupational therapy students' perceptions of their learning environment and their approaches to studying were assessed in the second (162 students) and third (193 students) year of their study program.

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Primary cutaneous blastomycosis is a rare presentation of infection caused by direct inoculation of a wound. We present a 61-year-old male with an extensive history of wound dehiscence and wound care noncompliance after a bite from a brown recluse spider on the left thigh while on vacation in Cape Cod in September of 2020. After antibiotic therapy and culture, treatment involved debridement, split thickness skin grafting, strict wound vacuum-assisted closure care, and oral itraconazole.

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Background: Adverse experiences in childhood are a major public health concern, promoting social inequality in health through biopsychosocial mechanisms. So far, no known measures comprehend the complexity and variations of severity of adverse events. This study aims to develop and validate a new index: the Weighted Index for Childhood Adverse Conditions (WICAC).

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Persistent physical symptoms (e.g. pain, fatigue) are prevalent in the population and some persons may develop a functional somatic disorder (FSD).

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