Blar i forfatter "Ahmed, Luai A."

Viser treff 1-13 av 13

    • Are pro-inflammatory markers associated with psychological distress in a cross-sectional study of healthy adolescents 15–17 years of age? The Fit Futures study 

      Linkas, Jonas; Ahmed, Luai A.; Csifcsak, Gabor; Emaus, Nina; Furberg, Anne-Sofie; Grimnes, Guri; Pettersen, Gunn; Rognmo, Kamilla; Christoffersen, Tore (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-15)
      Background - Inflammatory markers have been associated with depression and anxiety disorder in adolescents. Less is known about the association between inflammation and subclinical symptoms in the form of psychological distress. We investigated prevalence of psychological distress and examined the associations between common pro-inflammatory markers and psychological distress in an adolescent ...

    • The association between childhood fractures and adolescence bone outcomes: a population-based study, the Tromsø Study, Fit Futures 

      Christoffersen, Tore; Emaus, Nina; Dennison, Elaine; Furberg, Anne-Sofie; Gracia-Marco, Luis; Grimnes, Guri; Nilsen, Ole-Andreas; Vlachopoulos, Dimitris; Winther, Anne; Ahmed, Luai A. (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-16)
      <p><i>SUMMARY</i>: Childhood fracture may predict persistent skeletal fragility, but it may also reflect high physical activity which is beneficial to bone development. We observe a difference in the relationship between previous fracture and bone outcome across physical activity level and sex. Further elaboration on this variation is needed.</p> <p><i>PURPOSE</i>: Childhood fracture may be an ...

    • Body weight and body mass index influence bone mineral density in late adolescence in a two-year follow-up study. The Tromsø Study: Fit Futures 

      Nilsen, Ole Andreas; Ahmed, Luai A.; Winther, Anne; Christoffersen, Tore; Thrane, Gyrd; Evensen, Elin; Furberg, Anne-Sofie; Grimnes, Guri; Dennison, Elaine; Emaus, Nina (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-04-04)
      Determinants of bone acquisition in late adolescence and early adulthood are not well‐described. This 2‐year follow‐up study explored the associations of body weight (BW), body mass index (BMI), and changes in weight status with adolescent bone accretion in a sample of 651 adolescents (355 girls and 296 boys) between 15 and 19 years of age from The Tromsø Study: Fit Futures. This Norwegian ...

    • Bone mineral density at the hip and its relation to fat mass and lean mass in adolescents: the Tromsø Study, Fit Futures 

      Winther, Anne; Jørgensen, Lone; Ahmed, Luai A.; Christoffersen, Tore; Furberg, Anne-Sofie; Grimnes, Guri; Jorde, Rolf; Nilsen, Ole-Andreas; Dennison, Elaine M.; Emaus, Nina (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-01-19)
      <p><i>Background</i>: Positive association between body weight and bone mass is well established, and the concept of body mass index (BMI) is associated with higher areal bone mineral density (aBMD) and reduced fracture risk. BMI, that comprises both fat mass (FM) and lean mass (LM) may contribute to peak bone mass achievement in different ways. This study explored the influence of body composition ...

    • C-Reactive Protein and TGF-α Predict Psychological Distress at Two Years of Follow-Up in Healthy Adolescent Boys: The Fit Futures Study 

      Linkas, Jonas; Ahmed, Luai A.; Csifcsak, Gabor; Emaus, Nina; Furberg, Anne-Sofie; Grimnes, Guri; Pettersen, Gunn; Rognmo, Kamilla; Christoffersen, Tore (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-11)
      Objective: The scarcity of research on associations between inflammatory markers and symptoms of depression and anxiety during adolescence has yielded inconsistent results. Further, not all studies have controlled for potential confounders. We explored the associations between baseline inflammatory markers and psychological distress including moderators at follow-up in a Norwegian adolescent population ...

    • Changes and tracking of bone mineral density in late adolescence: the Tromsø Study, Fit Futures 

      Nilsen, Ole Andreas; Ahmed, Luai A.; Winther, Anne; Christoffersen, Tore; Furberg, Anne-Sofie; Grimnes, Guri; Dennison, Elaine; Emaus, Nina (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-04-08)
      <p><i>Summary</i>: Areal bone mineral density (aBMD) predicts future fracture risk. This study explores the development of aBMD and associated factors in Norwegian adolescents. Our results indicate a high degree of tracking of aBMD levels in adolescence. Anthropometric measures and lifestyle factors were associated with deviation from tracking.</p> <p><i>Purpose</i>: Norway has one of the highest ...

    • Hip fractures in a city in Northern Norway over 15 years : time trends, seasonal variation and mortality The Harstad Injury Prevention Study 

      Emaus, Nina; Olsen, Lena Ringstad; Ahmed, Luai A.; Balteskard, Lise; Jacobsen, Bjarne Koster; Magnus, Trine; Ytterstad, Børge (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
      Introduction The aim of the present population-based study was to describe age- and sex-specific incidence of hip fractures in a Northern Norwegian city, compare rates with the Norwegian capital Oslo, describe time trends in hip fracture incidence, place of injury, seasonal variation and compare mortality after hip fracture between women and men. Methods Data on hip fractures from 1994 to 2008 ...

    • Important risk factors and attributable risk of vertebral fractures in the population-based Tromsø study 

      Waterloo, Svanhild Haugnes; Ngyen, T; Ahmed, Luai A.; Center, J; Morseth, Bente; Ngyen, ND; Eisman, John A.; Søgaard, Anne Johanne; Emaus, Nina (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
      Vertebral fractures, the most common type of osteoporotic fractures, are associated with increased risk of subsequent fracture, morbidity, and mortality. The aim of this study was to examine the contribution of important risk factors to the variability in vertebral fracture risk. Vertebral fracture was ascertained by VFA method (DXA, GE Lunar Prodigy) in 2887 men and women, aged between 38 and 87 ...

    • The influence of birth weight and length on bone mineral density and content in adolescence: The Tromsø Study, Fit Futures 

      Christoffersen, Tore; Ahmed, Luai A.; Daltveit, Anne Kjersti; Dennison, Elaine; Evensen, Elin; Furberg, Anne-Sofie; Gracia-Marco, Luis; Grimnes, Guri; Nilsen, Ole-Andreas; Schei, Berit; Tell, Grethe S.; Vlachopoulous, Dimitris; Winther, Anne; Emaus, Nina (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-06-02)
      <p><i>Summary</i> The influence of birth weight and length on bone mineral parameters in adolescence is unclear. We found a positive association between birth size and bone mineral content, attenuated by lifestyle factors. This highlights the impact of environmental stimuli and lifestyle during growth.</p> <p><i>Purpose</i> The influence of birth weight and length on bone mineral density and ...

    • The influence of snuff and smoking on bone accretion in late adolescence. The Tromsø study, Fit Futures 

      Nilsen, Ole-Andreas; Emaus, Nina; Christoffersen, Tore; Winther, Anne; Evensen, Elin; Thrane, Gyrd; Furberg, Anne-Sofie; Grimnes, Guri; Ahmed, Luai A. (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-09-27)
      Summary - Areal bone mineral density (aBMD) predicts future fracture risk. This study explores associations between use of tobacco and bone accretion in Norwegian adolescents. Our results indicate that use of snuff is negatively associated with accretion of aBMD in adolescence and may be a signal of increased future fracture risk.<p> <p>Purpose - Bone mineral accrual in childhood and adolescence ...

    • Leisure time physical activity and risk of non-vertebral fracture in men and women aged 55 years and older : the Tromso Study 

      Morseth, Bente; Ahmed, Luai A.; Bjørnerem, Åshild; Emaus, Nina; Jacobsen, Bjarne Koster; Joakimsen, Ragnar Martin; Størmer, Jan; Wilsgaard, Tom; Jørgensen, Lone (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
      Our aim was to examine associations between leisure time physical activity and risk of non-vertebral fractures in men and women aged ≥55 years, with focus on the anatomical fracture location. Self-reported physical activity was registered in 3,450 men and 4,072 women aged 55–97 years at baseline in the Tromsø Study, Norway, in 1994–1995. Non-vertebral fractures were registered through December 31, ...

    • Prevalence of vertebral fractures in women and men in the population-based Tromsø Study 

      Waterloo, Svanhild Haugnes; Ahmed, Luai A.; Center, Jacqueline; Eisman, John A.; Morseth, Bente; Nguyen, Nguyen D.; Nguyen, Tuan; Søgaard, Anne Johanne; Emaus, Nina (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
      Osteoporotic vertebral fractures are, as the hip fractures, associated with increased morbidity and mortality. Norway has one of the highest reported incidences of hip fractures in the world. Because of methodological challenges, vertebral fractures are not extensively studied. The aim of this population based study was to describe, for the first time, the age- and sex specific occurrence of ...

    • A prospective cohort study on risk factors of musculoskeletal complaints (pain and/or stiffness) in a general population. The Tromsø study 

      Andorsen, Ole Fredrik; Ahmed, Luai A.; Emaus, Nina; Klouman, Elise (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-07-20)
      Background: Female gender has been associated with musculoskeletal complaints (MSCs), but there are limited studies on how other factors may influence women and men differently. The aim of this prospective cohort study was to explore possible predictors of MSCs in women and men free of MSCs at baseline. <br>Methods: The present study included participants from the population-based Tromsø study, with ...