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Umeå University
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Per Liv

Statistician with special interest in epidemiology and clinical trials.  

Contact

E-mail
per.liv@umu.se
Location
Visiting address, view map
Phone
+46 90 785 74 92

Works at

Affiliation
Statistician at Department of Public Health and Clinical Medicine Section: Section of Sustainable Health
Affiliation
Affiliated as other position at Department of Community Medicine and Rehabilitation Section: Physiotherapy
Does a multi-component intervention including pictorial risk communication about subclinical atherosclerosis improve perceptions of cardiovascular disease risk without deteriorating efficacy beliefs?
Social Science and Medicine, Elsevier 2024, Vol. 341
Andersson, Elin M; Liv, Per; Nordin, Steven; et al.
Impact of patient-reported salpingitis on the outcome of hysterectomy and adnexal surgery: a national register-based cohort study in Sweden
Acta Obstetricia et Gynecologica Scandinavica
Jännebring, Josefin; Liv, Per; Knuts, Malin; et al.
Increased carotid intima-media thickness in patients with radiographic axial spondyloarthritis compared to controls and associations with markers of inflammation
Clinical Rheumatology, Springer Nature 2024, Vol. 43, (5) : 1559-1570
Law, Lucy; Lindqvist, Per; Liv, Per; et al.
ABO blood groups, RhD factor and their association with subclinical atherosclerosis assessed by carotid ultrasonography
Journal of Clinical Medicine, MDPI 2024, Vol. 13, (5)
Mickelsson, Malin; Ekblom, Kim; Stefansson, Kristina; et al.
Lateral interbody fusion without intraoperative neuromonitoring in addition to posterior instrumented fusion in geriatric patients: A single center consecutive series of 108 surgeries
Brain and Spine, Elsevier 2023, Vol. 3
Bobinski, Lukas; Liv, Per; Meyer, Bernhard; et al.
Physicians' assessment of complications after gynecological surgery in Sweden: The GYNCOM survey
Acta Obstetricia et Gynecologica Scandinavica, John Wiley & Sons 2023, Vol. 102, (11) : 1479-1487
Collins, Elin; Liv, Per; Strandell, Annika; et al.
Correlations between Ratings and Technical Measurements in Hand-Intensive Work
Bioengineering, MDPI 2023, Vol. 10, (7)
Dahlgren, Gunilla; Liv, Per; Öhberg, Fredrik; et al.
Study protocol for a randomized, controlled, multicentre, pragmatic trial with Rehabkompassen®: a digital structured follow-up tool for facilitating patient-tailored rehabilitation in persons after stroke
Trials, BioMed Central (BMC) 2023, Vol. 24, (1)
Hu, Xiao-Lei; Liv, Per; Lundström, Erik; et al.
HOPPSA update: changes in the study protocol of Hysterectomy and OPPortunistic SAlpingectomy, a registry-based randomized controlled trial
Trials, BioMed Central (BMC) 2023, Vol. 24, (1)
Idahl, Annika; Liv, Per; Darelius, Anna; et al.
The longitudinal relationship between jaw catching/locking and pain
Journal of Dental Research, Sage Publications 2023, Vol. 102, (4) : 383-390
Ilgunas, Aurelia; Häggman-Henrikson, Birgitta; Visscher, C.M.; et al.
Surgery for subacromial impingement syndrome and occupational biomechanical risk factors in a 16-year prospective study among male construction workers
Scandinavian Journal of Work, Environment and Health, Helsinki: Scandinavian Journal of Work, Environment and Health 2023, Vol. 49, (2) : 156-163
Lewis, Charlotte A.; Wahlström, Jens; Mukka, Sebastian; et al.
Associations between screening for functional jaw disturbances and patient reported outcomes on jaw limitations and oral behaviors
Journal of Evidence-Based Dental Practice, Elsevier 2023, Vol. 23, (3)
Lövgren, Anna; Ilgunas, Aurelia; Häggman-Henrikson, Birgitta; et al.
SALpingectomy for STERilisation (SALSTER): study protocol for a Swedish multicentre register-based randomised controlled trial
BMJ Open, BMJ Publishing Group Ltd 2023, Vol. 13, (9)
Magarakis, Leonidas; Idahl, Annika; Sundfeldt, Karin; et al.
Lower-extremity constraint-induced movement therapy improved motor function, mobility, and walking after stroke
European Journal of Physical and Rehabilitation Medicine, Edizioni Minerva Medica 2023, Vol. 59, (2) : 136-144
Marklund, Ingela; Sefastsson, Annika; Fure, Brynjar; et al.
Associations between emotional support and cardiovascular risk factors and subclinical atherosclerosis in middle-age
Psychology and Health
Nordin, Steven; Norberg, Margareta; Braf, Irma; et al.
Reduced progression of carotid intima media thickness by personalised pictorial presentation of subclinical atherosclerosis in VIPVIZA: A randomised controlled trial
Clinical Physiology and Functional Imaging, John Wiley & Sons 2023, Vol. 43, (4) : 232-241
Nyman, Emma; Grönlund, Christer; Vanoli, Davide; et al.
Carotid wall echogenicity at baseline associates with accelerated vascular aging in a middle-aged population
The International Journal of Cardiovascular Imaging, Springer Science+Business Media B.V. 2023, Vol. 39, (3) : 575-583
Nyman, Emma; Liv, Per; Wester, Per; et al.
Changes in fasting plasma glucose and subclinical atherosclerosis: a cohort study from VIPVIZA trial
Atherosclerosis
Salvador, Dante; Liv, Per; Norberg, Margareta; et al.
Occupational physical activity and resting blood pressure in male construction workers
International Archives of Occupational and Environmental Health, Springer Nature 2023, Vol. 96, (9) : 1283-1289
Öhlin, Jerry; Liv, Per; Andersson, Martin; et al.
Ratings of hand activity and force levels among women and men who perform identical hand-intensive work tasks
International Journal of Environmental Research and Public Health, MDPI 2022, Vol. 19, (24)
Dahlgren, Gunilla; Liv, Per; Öhberg, Fredrik; et al.
Risk factors for surgically treated cervical spondylosis in male construction workers: a 20-year prospective study
The spine journal, Elsevier 2022, Vol. 23, (1) : 136-145
Jackson, Jennie; Liv, Per; Sayed-Noor, Arkan S.; et al.
Study protocol for a pragmatic cluster RCT on the effect and cost-effectiveness of Everyday Life Rehabilitation versus treatment as usual for persons with severe psychiatric disability living in sheltered or supported housing facilities
Trials, BioMed Central (BMC) 2022, Vol. 23, (1)
Lindström, Maria; Lindholm, Lars; Liv, Per
A tactile resonance sensor for prostate cancer detection - Evaluation on human prostate tissue
Biomedical Engineering & Physics Express, Institute of Physics (IOP) 2021, Vol. 7, (2)
Lindahl, Olof A; Bäcklund, Tomas; Ramser, Kerstin; et al.
Dyspnea after pulmonary embolism: a nation-wide population-based case–control study
Pulmonary Circulation, Sage Publications 2021, Vol. 11, (4)
Nilsson, Lars T.; Andersson, Therese; Larsen, Flemming; et al.
Prevalence of temporomandibular disorder in adult patients with chronic pain
Scandinavian Journal of Pain, Walter de Gruyter 2021, Vol. 21, (1) : 41-47
Stålnacke, Clara; Ganzer, Niels; Liv, Per; et al.
Location matters: highly divergent protein levels in samples from diferent CNS compartments in a clinical trial of rituximab for progressive MS
Fluids and Barriers of the CNS, BioMed Central 2020, (1)
Bergman, Joakim; Svenningsson, Anders; Liv, Per; et al.
Increasing gender differences in the prevalence and chronification of orofacial pain in the population
Pain, Lippincott Williams & Wilkins 2020, Vol. 161, (8) : 1768-1775
Häggman-Henrikson, Birgitta; Liv, Per; Ilgunas, Aurelija; et al.
Effectiveness of a self-managed digital exercise programme to prevent falls in older community-dwelling adults: study protocol for the Safe Step randomised controlled trial
BMJ Open, BMJ Publishing Group Ltd 2020, Vol. 10, (5)
Pettersson, Beatrice; Lundin-Olsson, Lillemor; Skelton, Dawn A.; et al.
Vitamin D status and cardiometabolic risk markers in young Swedish children: a double-blind randomized clinical trial comparing different doses of vitamin D supplements
American Journal of Clinical Nutrition, Oxford University Press 2020, Vol. 111, (4) : 779-786
Öhlund, Inger; Lind, Torbjörn; Hernell, Olle; et al.
Poor correlation between protein levels in different CNS compartments in patients with progressive MS
Multiple Sclerosis Journal, Sage Publications 2019, Vol. 25 : 432-433
Bergman, Joakim; Svenningsson, A.; Liv, Per; et al.
Occupational risk factors for hospitalization due to cervical disc disorder in a 29-year prospective study of Swedish male construction workers
PREMUS 2019: 10th International Scientific Conference on the Prevention of Work-Related Musculoskeletal Disorders: From research to evidence based sustainable interventions and practices : 168-168
Jackson, Jennie; Liv, Per; Wahlström, Jens
Occupational biomechanical risk factors for surgical treatment of subacromial impingement syndrome (SIS) in a 16-year prospective study among male construction workers
PREMUS 2019: 10th International Scientific Conference on the Prevention of Work-Related Musculoskeletal Disorders: From research to evidence based sustainable interventions and practices : 165-165
Lewis, Charlotte A.; Jackson, Jennie; Liv, Per; et al.
The impact of corneal guttata on the results of cataract surgery
Journal of cataract and refractive surgery, Elsevier 2019, Vol. 45, (6) : 803-809
Viberg, Andreas; Liv, Per; Behndig, Anders; et al.
Occupational risk factors for surgically treated carpal tunnel syndrome: a prospective cohort study of 220,610 Swedish construction workers
PREMUS 2019: 10th International Scientific Conference on the Prevention of Work-Related Musculoskeletal Disorders: From research to evidence based sustainable interventions and practices : 141-141
Wahlström, Jens; Liv, Per; Jackson, Jennie
The prognostic value of pre-treatment thrombocytosis in two cohorts of patients with non-small cell lung cancer treated with curatively intended chemoradiotherapy
Neoplasma (Bratislava), Bratislava: AEPress 2017, Vol. 64, (6) : 909-915
Holgersson, Georg; Bergström, Stefan; Hallqvist, Anders; et al.
Risk Markers and Appropriate Implantable Defibrillator Therapy in Hypertrophic Cardiomyopathy
Pacing and Clinical Electrophysiology, Vol. 39, (3) : 291-301
Magnusson, Peter; Gadler, Fredrik; Liv, Per; et al.
Causes of death and mortality in hypertrophic cardiomyopathy patients with implantable defibrillators in Sweden
Journal of Cardiovascular Medicine, Vol. 17, (7) : 478-484
Magnusson, Peter; Gadler, Fredrik; Liv, Per; et al.
Efficient strategies for collecting posture data using observation and direct measurement
Umeå University medical dissertations, 1519
Liv, Per
Accuracy and precision of variance components in occupational posture recordings: a simulation study of different data collection strategies
BMC Medical Research Methodology, Vol. 12 : 58-
Liv, Per; Mathiassen, Svend Erik; Svendsen, Susanne Wulff
Cost-efficient observation of working postures from video recordings: more videos, more observers or more views per observer?
Work: A journal of Prevention, Assessment and rehabilitation, Vol. 41, (Sup. 1) : 2302-2306
Mathiassen, Svend Erik; Liv, Per; Wahlström, Jens
Theoretical and empirical efficiency of sampling strategies for estimating upper arm elevation
Annals of Occupational Hygiene, Vol. 55, (4) : 436-449
Liv, Per; Mathiassen, Svend Erik; Svendsen, Susanne Wulff
Upper arm postures and movements in female hairdressers across four full working days
Annals of Occupational Hygiene, Oxford University Press 2010, Vol. 54, (5) : 584-594
Wahlström, Jens; Mathiassen, Svend Erik; Liv, Per; et al.
Association of epicardial adipose tissue thickness in radiographic axial spondyloarthritis with traditional cardiovascular risk factors
Law, Lucy; Lindqvist, Per; Liv, Per; et al.
Uncertainties of calibrated exposure estimates, exemplified by working postures assessed by observation and inclinometry
Liv, Per; Mathiassen, Svend Erik; Heiden, Marina; et al.
Statistical power and measurement requirements in studies comparing observed postures between groups
Liv, Per; Mathiassen, Svend Erik; Wahlström, Jens
Six minute walk performance predicts physical functioning in health related quality of life after lower-extremity constraint-induced movement therapy post-stroke: a cross-sectional survey study
Marklund, Ingela; Fure, Brynjar; Klässbo, Maria; et al.
Reduced progression of carotid intima media thickness by pictorial presentation of subclinical atherosclerosis in VIPVIZA – a randomized controlled trial
Nyman, Emma; Grönlund, Christer; Vanoli, Davide; et al.
Baseline carotid intima media echogenicity is associated with the 3-year progression of intima media thickness
Nyman, Emma; Liv, Per; Wester, Per; et al.
View publications in DiVA

Research groups

Group member
VECTOR

Research projects

31 August 2022 until 31 December 2028
Remission of type 2 diabetes becomes possible through eHealth
1 January 2022 until 31 December 2024
Risk assessment of exposures in hand-Intensive work
29 April 2013 until 31 December 2027
VIPVIZA

I teach various courses in statistics and research methodology at the medical faculty.