Björg Helgadóttir

Dr. Björg Helgadóttir

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Research Focus & Metrics

Academic Career Length

13Years (2014-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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13 January 2015 in PLOS ONE
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Journal Article
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BHBjörg Helgadóttir
Björg Helgadóttir
Yvonne ForsellYvonne Forsell
Yvonne Forsell
ÖEÖrjan B. Ekblom
Örjan B. Ekblom
Exercise can relieve both depressive and anxiety disorders and it is therefore of importance to establish movement patterns of mildly to moderately affected sufferers to estimate the treatment potential. The aim is to describe the physical activity patterns of people affected by mild to moderate depressive and/or anxiety symptoms using objective measures of physical activity. The design of the study was cross-sectional using data from 165 people aged 18–65 years, with mild to moderate depressive and/or anxiety disorder symptoms (scoring ≥10 on the PHQ-9). Diagnoses were made using Mini International Neuropsychiatric Interview (MINI) and symptom severity was measured with the Montgomery-Åsberg Depression Rating Scale (MADRS). The participants wore accelerometers for a week to evaluate physical activity patterns. No statistically significant differences were detected between different diagnoses, though depressed participants tended to be less active and more sedentary. Only one-fifth of the sample followed public health guidelines regarding physical activity. Each one point increase in MADRS was associated with a 2.4 minute reduction in light physical activity, independent of moderate-to-vigorous physical activity and sedentary time. MADRS was positively associated with number of sedentary bouts. The physical activity pattern of people with depressive and/or anxiety disorders was characterized by large amounts of sedentary time and low fulfillment of physical activity guidelines. There is therefore a large treatment potential for this group by increasing exercise. The results suggest that instead of focusing exclusively on high intensity exercise for treating depressive and anxiety disorders, health care providers might encourage patients to reduce sedentary time by increasing light physical activity and decreasing the number of sedentary bouts, though further studies are needed that can determine directionality.

11 March 2016 in Frontiers in Psychiatry
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Journal Article
Open access
MHMats Hallgren
Mats Hallgren
MHMatthew P. Herring
Matthew P. Herring
NONeville Owen
Neville Owen
DDDavid Dunstan
David Dunstan
ÖEÖrjan B. Ekblom
Örjan B. Ekblom
YFYvonne Forsell
Yvonne Forsell
Exercise, Physical Activity, and Sedentary Behavior in the Treatment of Depression: Broadening the Scientific Perspectives and Clinical Opportunities

1 October 2016 in Preventive Medicine
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Journal Article
Closed access
BHBjörg Helgadóttir
Björg Helgadóttir
MHMats Hallgren
Mats Hallgren
ÖEÖrjan B. Ekblom
Örjan B. Ekblom
YFYvonne Forsell
Yvonne Forsell

1 December 2017 in Preventive Medicine
Verified
Journal Article
Closed access
BHBjörg Helgadóttir
Björg Helgadóttir
Yvonne ForsellYvonne Forsell
Yvonne Forsell
MHMats Hallgren
Mats Hallgren
JMJette Möller
Jette Möller
ÖEÖrjan B. Ekblom
Örjan B. Ekblom

1 November 2016 in The British Journal of Psychiatry
Verified
Journal Article
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MHMats Hallgren
Mats Hallgren
BHBjörg Helgadóttir
Björg Helgadóttir
MHMatthew P. Herring
Matthew P. Herring
ZZZangin Zeebari
Zangin Zeebari
NLNils Lindefors
Nils Lindefors
YFYvonne Forsell
Yvonne Forsell
Background: Evidence-based treatment of depression continues to grow, but successful treatment and maintenance of treatment response remains limited.Aims: To compare the effectiveness of exercise, internet-based cognitive–behavioural therapy (ICBT) and usual care for depression.Method: A multicentre, three-group parallel, randomised controlled trial was conducted with assessment at 3 months (post-treatment) and 12 months (primary end-point). Outcome assessors were masked to group allocation. Computer-generated allocation was performed externally in blocks of 36 and the ratio of participants per group was 1:1:1. In total, 945 adults with mild to moderate depression aged 18–71 years were recruited from primary healthcare centres located throughout Sweden. Participants were randomly assigned to one of three 12-week interventions: supervised group exercise, clinician-supported ICBT or usual care by a physician. The primary outcome was depression severity assessed by the Montgomery–Åsberg Depression Rating Scale (MADRS).Results: The response rate at 12-month follow-up was 84%. Depression severity reduced significantly in all three treatment groups in a quadratic trend over time. Mean differences in MADRS score at 12 months were 12.1 (ICBT), 11.4 (exercise) and 9.7 (usual care). At the primary end-point the group × time interaction was significant for both exercise and ICBT. Effect sizes for both interventions were small to moderate.Conclusions: The long-term treatment effects reported here suggest that prescribed exercise and clinician-supported ICBT should be considered for the treatment of mild to moderate depression in adults.

23 August 2014 in BMC Geriatrics
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Journal Article
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BHBjörg Helgadóttir
Björg Helgadóttir
LLLucie Laflamme
Lucie Laflamme
JMJoel Monárrez-Espino
Joel Monárrez-Espino
JMJette Möller
Jette Möller
The simultaneous use of several medications is an important risk factor for injurious falls in older people. The aim of this study is to investigate the effect of the number of medications dispensed to elderly persons on fall injuries and to assess whether this relationship is explained by individual demographics, health habits and health status.