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Tromso study

Lena Henriksen, Anette Borgen, Jeanette Risløkken, Mirjam Lukasse
BACKGROUND: There is increasing evidence that fear of birth can have long-term effects on the childbearing woman and the method of birth. AIM: To examine differences between five hospitals in Norway in the occurrence of fear of birth, counselling received and method of birth. METHOD: Source data was from the Norwegian cohort of the Bidens study and retrieved through a questionnaire and electronic patient records from five different hospitals in Oslo, Drammen, Tromsø, Ålesund and Trondheim, which included 2145 women...
December 3, 2018: Women and Birth: Journal of the Australian College of Midwives
I D Jacobsen, C-G Crossner, H M Eriksen, I Espelid, C Ullbro
AIM: To assess the prevalence of proximal enamel lesions, the need for non-operative caries treatment and the quality of dental restorations in 869 students aged 16 years from Northern Norway. METHODS: All first year upper secondary school students in Tromsø and Balsfjord municipalities were invited to participate in an oral- and general health project (Fit Futures). The attendance rate was 90%, and all subjects born in 1994 (449 males and 420 females) were included in the present study...
December 4, 2018: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
Anne K Gulsvik, Marius Myrstad, Ida Wilson Landgraff, Nina Emaus, Anette Hylen Ranhoff
Background: Physical activity (PA) is generally beneficial for bone health, but the effect of high levels of PA over many years, in older women, is unknown. Methods: T-score from Dual-energy X-ray absorptiometry (DXA), and self-reported baseline characteristics were recorded for 24 female, cross-country-skiing-competitors, aged 68-76 years, from the Birkebeiner Ageing Study. Data from 647 women in the same age range from the Tromso-6 population study, with recorded DXA findings, were used for comparison...
2018: European Review of Aging and Physical Activity
Nils Abel Aars, Bjarne K Jacobsen, Anne-Sofie Furberg, Sameline Grimsgaard
AIM: We studied the cross-sectional association between self-reported physical activity and body composition in adolescents. METHODS: The Norwegian Fit Futures Cohort Study was conducted in the Tromsø and Balsfjord municipalities during 2010-2011. All 1,117 students in their first year of upper secondary high school were invited to attend an examination at the Clinical Research Unit at the University Hospital of Northern Norway and 93% agreed. After exclusions, we analysed 945 participants (51% boys) with a mean age of 16...
November 25, 2018: Acta Paediatrica
Maria Averina, Jan Brox, Sandra Huber, Anne-Sofie Furberg, Martin Sørensen
BACKGROUND: Exposure to environmental pollutants may contribute to the development of asthma and other allergies. The aim of this study was to investigate possible associations between asthma and other allergies with exposure to perfluoroalkyl substances (PFASs) in adolescents from the Arctic region of Norway. METHODS: The Tromsø study Fit Futures 1 (TFF1) and 3-year follow-up Fit Futures 2 study (TFF2) included 675 adolescents that completed a questionnaire about health conditions and underwent a clinical examination with blood tests and fractional nitric oxide (FeNO) measurement...
November 5, 2018: Environmental Research
Albert K Imsland, Thor Arne Hangstad, Thor Magne Jonassen, Sigurd O Stefansson, Tom Ole Nilsen, Peter Hovgaard, Tor Anders Elvegård, Ken Ståle Lindberg, Bjørn Mikalsen, Tonje Cecilie Urskog, Birgitta Norberg, Eva Andersson, Frank Spetland, Patrick Reynolds
In order to provide year round spawning broodstock, lumpfish (initial size 746 g and 24.9 cm) were reared under four different photoperiod regimes from January 2017 to July 2018. One group was reared under simulated natural photoperiod (LDN, control group) for Tromsø (70°N). The second group was transferred to continuous light (LD240) on 30 January 2017 and reared at LD24:0 throughout the trial period. Two compressed and phase advanced photoperiods were also established. Both groups were moved from LDN to LD24:0 on 30 January 2017, and after that reared at compressed natural photoperiods where the annual photoperiod was compressed down to six months (L6) or nine months (L9) for the duration of the study...
November 12, 2018: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
Hege Nermo, Tiril Willumsen, Jan-Are K Johnsen
OBJECTIVE: Identify predictive variables related to the development and continuation of high dental anxiety among young people over 2 years and assess differences between youth experiencing increased, decreased or unchanged dental anxiety scores over time. METHODS: An observational panel study of 15- to 21-year-old people in Tromsø and Balsfjord region followed students from their first to their last year of upper secondary school (2010/11-2012/13). Logistic regression was used to estimate odds ratios and their 95% confidence intervals (CI) of possible predictive variables assessed at baseline when using dental anxiety score from the second wave as a dichotomous dependent variable...
November 8, 2018: Community Dentistry and Oral Epidemiology
Bjørn O Eriksen, Silje Småbrekke, Trond G Jenssen, Ulla D Mathisen, Jon V Norvik, Jørgen Schei, Henrik Schirmer, Marit D Solbu, Vidar T N Stefansson, Toralf Melsom
The decline in glomerular filtration rate (GFR) associated with aging is one of the most important predisposing causes of kidney failure in old age. Identifying persons at risk for accelerated GFR decline is an essential first step in the development of preventive measures to preserve kidney function in the elderly. Heart rate (HR) has not yet been studied as a risk factor for GFR decline in the general population. In the RENIS-T6 (Renal Iohexol-Clearance Survey in Tromsø 6), we measured baseline ambulatory HR and GFR as iohexol clearance in a representative, middle-aged cohort of 1627 persons without self-reported diabetes mellitus, cardiovascular disease, or kidney disease...
September 2018: Hypertension
Hege Nermo, Tiril Willumsen, Jan-Are K Johnsen
OBJECTIVE: To describe the prevalence of dental anxiety (DA) among adolescents in Tromsø and Balsfjord region in northern Norway and present a multivariate logistic regression model to predict high dental anxiety scores (DASs) among these adolescents. MATERIALS AND METHODS: We used self-report questionnaires and clinical dental examination data from adolescents registered in upper secondary school (15-18 years of age) in this region (n = 986). Logistic regression was used to estimate odds ratios and their 95% confidence intervals (CI) when using Corah's DAS as a dichotomous dependent variable...
October 20, 2018: Acta Odontologica Scandinavica
Mashhood Ahmed Sheikh
Several researchers have raised the concern that the cross-sectional association of retrospectively reported childhood adversity with self-reported onset of asthma and chronic bronchitis in adulthood may be confounded, as well as mediated by an individual's mental health. The aim of this study was to assess the effect of retrospectively reported childhood adversity on self-reported onset of asthma and chronic bronchitis in adulthood, independent of potential confounding and mediating variables (including respondent's mental health)...
November 2018: Journal of Psychosomatic Research
Bjørn Heine Strand, Astrid Bergland, Lone Jørgensen, Henrik Schirmer, Nina Emaus, Rachel Cooper
Background: Evidence pertaining to whether more recent born generations of adults reaching old age have better physical capability than previous generations is scarce and inconclusive. We aimed to investigate birth cohort differences in grip strength. Methods: The study comprised 5,595 individuals from the Tromsø study waves in 1994/1995, 2007/2008, and 2015/2016. Grip strength (bar) was measured using a Martin vigorimeter, and compared across three birth cohorts of 66- to 84-year-olds (born in: 1910-1929, 1923-1942, 1931-1949), as well as within narrower age bands to ensure nonoverlapping cohorts...
October 11, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
Elin Evensen, Guri Skeie, Tom Wilsgaard, Tore Christoffersen, Elaine Dennison, Anne-Sofie Furberg, Guri Grimnes, Anne Winther, Nina Emaus
The effect of birth weight and childhood body mass index (BMI) on adolescents' bone parameters is not established. The aim of this longitudinal, population-based study was to investigate the association of birth weight, childhood BMI, and growth, with adolescent bone mass and bone density in a sample of 633 adolescents (48% girls) from The Tromsø Study: Fit Futures. This population-based cohort study was conducted in 2010-2011 and 2012-2013 in Tromsø, Norway. Bone mineral content (BMC) and areal BMD (aBMD) were measured at total hip (TH) and total body (TB) by dual-energy X-ray absorptiometry (DXA) and converted to internal Z -scores...
September 2018: JBMR Plus
Marit D Solbu, Svein O Kolset, Trond G Jenssen, Tom Wilsgaard, Maja-Lisa Løchen, Ellisiv B Mathiesen, Toralf Melsom, Bjørn O Eriksen, Trine M Reine
BACKGROUND AND AIMS: Cardiovascular disease is a common cause of morbidity and mortality, with gender differences in pathophysiology. The endothelial glycocalyx maintains vascular integrity, and glycocalyx shedding reflects endothelial dysfunction and early atherosclerosis. Syndecan-1 and -4 are components of the glycocalyx, and increased serum levels indicate glycocalyx damage. We hypothesised that increased serum syndecan-1 and -4 were independently associated with myocardial infarction (MI), ischaemic stroke and all-cause mortality in men and women from a general population...
September 15, 2018: Atherosclerosis
Erlend Bugge, Rolf Wynn, Tom Eirik Mollnes, Solveig Klæbo Reitan, Ole Kristian Grønli
BACKGROUND: There is a paucity of studies on inflammatory markers in elderly psychiatric patients. Hence, our study was undertaken to investigate cytokines as biomarkers in diagnostically unselected elderly patients admitted to a psychiatric hospital. METHODS: Demographic data, clinical data and blood samples, including 27 cytokines, were collected from 98 patients above 60 years, consecutively admitted to a psychiatric hospital in Tromsø, Norway (69°N). RESULTS: The most common diagnosis was Recurrent depressive disorder (26...
September 27, 2018: BMC Psychiatry
Marius Renninger, Maja-Lisa Løchen, Ulf Ekelund, Laila A Hopstock, Lone Jørgensen, Ellisiv B Mathiesen, Inger Njølstad, Henrik Schirmer, Tom Wilsgaard, Bente Morseth
Physical activity and overweight are associated with myocardial infarction (MI). However, their joint association with MI remains unclear. Our objective was to examine the independent and joint association between leisure-time physical activity (LTPA), body mass index (BMI) and MI. This prospective cohort study included 16,572 men and women (47.5% women) aged 20-54 years who took part in the second Tromsø Study. At baseline in 1979-80 LTPA was assessed by questionnaire. Data on MI was collected and adjudicated through hospital and causes of death registries between 1979 and 2013...
September 13, 2018: Preventive Medicine
L H Evensen, T Isaksen, K Hindberg, S K Braekkan, J-B Hansen
Essentials It is debated whether physical activity influences the risk of venous thromboembolism. The association was explored accounting for fluctuations in physical activity over time. Overall and in the elderly, physical activity was associated with 23% and 30% lower risk. A moderate proportion of the association (14-36%) was mediated via body mass index. SUMMARY: Background Whether physical activity influences the risk of incident venous thromboembolism (VTE) remains controversial, potentially because of methodological challenges, such as regression dilution bias...
November 2018: Journal of Thrombosis and Haemostasis: JTH
Agnethe Eltoft, Kjell Arne Arntzen, Tom Wilsgaard, Ellisiv B Mathiesen, Stein Harald Johnsen
No abstract text is available yet for this article.
August 24, 2018: Atherosclerosis
Kristina Sivertsen, Marko Lukic, Agnete E Kristoffersen
BACKGROUND: Alcohol is consumed almost worldwide and is the most widely used recreational drug in the world. Harmful use of alcohol is known to cause a large disease-, social- and economic burden on society. Only a few studies have examined the relationship between CAM use and alcohol consumption. To our knowledge there has been no such research in Norway. The aim of this study is to describe and compare alcohol consumption and injuries related to alcohol across gender and different CAM approaches...
August 13, 2018: BMC Complementary and Alternative Medicine
Mashhood Ahmed Sheikh
BACKGROUND: The aim of this study was to assess the associations between child maltreatment (CM), psychopathological symptoms, and onset of diabetes mellitus, hypothyroidism (i.e., low metabolism), and chronic bronchitis/emphysema/COPD in adulthood. METHODS: The present analysis used cross-sectional data collected in 2007-2008 within the Tromsø Study, Norway (N = 12,981). CM was measured with a single item, and self-reported information on psychopathological symptoms and physical health outcomes was used...
December 1, 2018: Journal of Affective Disorders
A V Hauger, A Bergland, K Holvik, A Ståhle, N Emaus, B H Strand
Low bone mineral density (BMD) gives an increased risk of fractures, which can lead to premature death. Can BMD of the wrist predict mortality? BMD consistent with osteopenia and osteoporosis gave a significantly increased risk of death for both men and women in a general population in Tromsø, Norway. INTRODUCTION: To investigate if bone mineral density (BMD) levels of the distal forearm, consistent with osteopenia and osteoporosis, can predict mortality and if grip strength is an effect modifier...
November 2018: Osteoporosis International
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