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Staff photo Maria Josefsson

Maria Josefsson

I am an associate professor (senior lecturer) and docent in Statistics. My research mainly involves methods for studying age-related cognitive change.

Research qualifications: Docent

Contact

E-mail
maria.josefsson@umu.se
Phone
+46 90 786 70 99

Works as

Affiliation
Associate professor at Umeå School of Business, Economics and Statistics (USBE) Section: Statistics
Location
Samhällsvetarhuset, Biblioteksgränd 6 Umeå universitet, 901 87 Umeå
Affiliation
Research fellow at Centre for Demographic and Aging Research at Umeå University (CEDAR) Section: CEDAR Research
Location
Norra Beteendevetarhuset, 4 tr, Umeå universitet Umeå universitet, 901 87 Umeå
A Bayesian semi-parametric approach to causal mediation for longitudinal mediators and time-to-event outcomes with application to a cardiovascular disease cohort study
Biostatistics, Oxford University Press 2025, Vol. 26, (1)
Bhandari, Saurabh; Daniels, Michael J.; Josefsson, Maria; et al.
Pattern mixture sensitivity analyses via multiple imputations for non-ignorable dropout in joint modeling of cognition and risk of dementia
Statistics in Medicine, John Wiley & Sons 2025, Vol. 44, (6)
Gorbach, Tetiana; Carpenter, James R.; Frost, Chris; et al.
Changing risks, changing outcomes: cardiovascular trajectories as a window into dementia prevention
Neurology, American Academy of Neurology 2025, Vol. 105, (8)
Josefsson, Maria
Predictors of cognitive aging profiles over 15 years: a longitudinal population-based study
Psychology and Aging, American Psychological Association (APA) 2024, Vol. 39, (5) : 467-483
Ekström, Ingrid; Josefsson, Maria; Bäckman, Lars; et al.
Do reductions of daily activities mediate the relationship between COVID-19 restrictions and mental ill-health among older persons in Europe?
Aging & Mental Health, Routledge 2024, Vol. 28, (7) : 1058-1065
Fors Connolly, Filip; Olofsson, Jenny; Josefsson, Maria
Interpersonal violence against indigenous Sámi and non-Sámi populations in arctic Sweden and the mediating effect of historical losses and discrimination
Journal of Interpersonal Violence, Sage Publications 2024, Vol. 39, (19-20) : 4135-4163
Simmons, Johanna; Storm Mienna, Christina; Josefsson, Maria; et al.
A longitudinal study of episodic memory recall in multilinguals
International Journal of Bilingualism, Sage Publications 2024, Vol. 28, (1) : 125-145
Vega-Mendoza, Mariana; Eriksson Sörman, Daniel; Josefsson, Maria; et al.
A Bayesian semiparametric approach for inference on the population partly conditional mean from longitudinal data with dropout
Biostatistics, Oxford University Press 2023, Vol. 24, (2) : 372-387
Josefsson, Maria; Daniels, Michael J.; Pudas, Sara
Memory profiles predict dementia over 23–28 years in normal but not successful aging
International psychogeriatrics, Cambridge University Press 2023, Vol. 35, (7) : 351-359
Josefsson, Maria; Sundström, Anna; Pudas, Sara; et al.
Mental fatigue, cognitive performance and autonomic response following sustained mental activity in clinical burnout
Biological Psychology, Elsevier 2023, Vol. 183
M. Gavelin, Hanna; Stigsdotter Neely, Anna; Aronsson, Ingela; et al.
Subjective cognitive complaints and its associations to response inhibition and neural activation in patients with stress-related exhaustion disorder
Stress, Taylor & Francis 2023, Vol. 26, (1)
Nelson, Andreas; Malmberg Gavelin, Hanna; Andersson, Micael; et al.
Sociodemographic factors and adjustment of daily activities during the COVID-19 pandemic – findings from the SHARE Corona Survey
Journal of Aging & Social Policy, Routledge 2023, Vol. 36, (6) : 1544-1566
Olofsson, Jenny; Fors Connolly, Filip; Malmberg, Gunnar; et al.
Predictors of loneliness onset and maintenance in European older adults during the COVID-19 pandemic
Frontiers in Psychology, Frontiers Media S.A. 2023, Vol. 14
Panes Lundmark, Vania; Josefsson, Maria; Rieckmann, Anna
Sixteen-year longitudinal evaluation of blood-based DNA methylation biomarkers for early prediction of Alzheimer’s disease
Journal of Alzheimer's Disease, IOS Press 2023, Vol. 94, (4) : 1443-1464
Schäfer Hackenhaar, Fernanda; Josefsson, Maria; Nordin Adolfsson, Annelie; et al.
Efficiency analysis of item response theory kernel equating for mixed-format tests
Applied psychological measurement, Sage Publications 2023, Vol. 47, (7-8) : 496-512
Wallmark, Joakim; Josefsson, Maria; Wiberg, Marie
Kernel equating presmoothing methods: an empirical study with mixed-format test forms
Quantitative psychology: The 87th annual meeting of the psychometric society, Bologna, Italy, 2022, Springer 2023 : 49-59
Wallmark, Joakim; Josefsson, Maria; Wiberg, Marie
Longitudinal Effects of Herpesviruses on Multiple Cognitive Outcomes in Healthy Elderly Adults
Journal of Alzheimer's Disease, IOS Press 2023, Vol. 94, (2) : 751-762
Weidung, Bodil; Josefsson, Maria; Lyttkens, Peter; et al.
Association of cardiovascular risk trajectory with cognitive decline and incident dementia
Neurology, Wolters Kluwer 2022, Vol. 98, (20) : e2013-e2022
Farnsworth von Cederwald, Bryn; Josefsson, Maria; Wåhlin, Anders; et al.
Cognitive decline in Parkinson’s disease: a subgroup of extreme decliners revealed by a data-driven analysis of longitudinal progression
Frontiers in Psychology, Frontiers Media S.A. 2021, Vol. 12
Andersson, Sara; Josefsson, Maria; Stiernman, Lars J.; et al.
Antiviral treatment associated with reduced risk of clinical Alzheimer's disease: A nested case-control study
Alzheimer’s & Dementia: Translational Research & Clinical Interventions, John Wiley & Sons 2021, Vol. 7, (1)
Hemmingsson, Eva-Stina; Hjelmare, Ellen; Weidung, Bodil; et al.
Bayesian semi-parametric G-computation for causal inference in a cohort study with MNAR dropout and death
The Journal of the Royal Statistical Society, Series C: Applied Statistics, John Wiley & Sons 2021, Vol. 70, (2) : 398-414
Josefsson, Maria; Daniels, Michael J.
Herpesvirus infections, antiviral treatment, and the risk ofdementia: a registry-based cohort study in Sweden
Alzheimer’s & Dementia: Translational Research & Clinical Interventions, John Wiley & Sons 2021, Vol. 7, (1)
Lopatko Lindman, Karin; Hemmingsson, Eva-Stina; Weidung, Bodil; et al.
Plasma Amyloid-β in Relation to Antibodies Against Herpes Simplex Virus, Cytomegalovirus, and Chlamydophila pneumoniae
Journal of Alzheimer's Disease Reports, IOS Press 2021, Vol. 5, (1) : 229-235
Lopatko Lindman, Karin; Weidung, Bodil; Olsson, Jan; et al.
Subjective cognitive complaints in patients with stress-related exhaustion disorder: a cross sectional study
BMC Psychology, BioMed Central 2021, Vol. 9, (1)
Nelson, Andreas; Malmberg Gavelin, Hanna; Boraxbekk, Carl-Johan; et al.
Short leukocyte telomeres, but not telomere attrition rates, predict memory decline in the 20-year longitudinal Betula study
The journals of gerontology. Series A, Biological sciences and medical sciences, Oxford University Press 2021, Vol. 76, (6) : 955-963
Pudas, Sara; Josefsson, Maria; Nordin Adolfsson, Annelie; et al.
Short leukocyte telomeres predict 25-year Alzheimer's disease incidence in non-APOE ε4-carriers
Alzheimer's Research & Therapy, BioMed Central (BMC) 2021, Vol. 13
Schäfer Hackenhaar, Fernanda; Josefsson, Maria; Nordin Adolfsson, Annelie; et al.
Evaluating a frontostriatal working-memory updating-training paradigm in Parkinson's disease: the iPARK trial, a double-blinded randomized controlled trial
BMC Neurology, Springer Nature 2020, Vol. 20, (1)
Domellöf, Magdalena Eriksson; Walton, Lois; Boraxbekk, Carl-Johan; et al.
A Nationwide Swedish Study of Age at Retirement and Dementia Risk
International Journal of Geriatric Psychiatry, John Wiley & Sons 2020, Vol. 35, (10) : 1234-1249
Sundström, Anna; Rönnlund, Michael; Josefsson, Maria
Subjective olfactory loss in older adults concurs with long-term odor identification decline
Chemical Senses, Oxford: Oxford University Press 2019, Vol. 44, (2) : 105-112
Ekström, Ingrid; Josefsson, Maria; Larsson, Maria; et al.
A genetic signature including apolipoprotein Eε4 potentiates the risk of herpes simplex-associated Alzheimer's disease
Alzheimer’s & Dementia: Translational Research & Clinical Interventions, Vol. 5 : 697-704
Lopatko Lindman, Karin; Weidung, Bodil; Olsson, Jan; et al.
Herpes Simplex Virus, APOE ɛ4, and Cognitive Decline in Old Age: Results from the Betula Cohort Study
Journal of Alzheimer's Disease, IOS Press 2019, Vol. 67, (1) : 211-220
Lövheim, Hugo; Norman, Tove; Weidung, Bodil; et al.
Rehabilitation for improved cognition in patients with stress-related exhaustion disorder: RECO – a randomized clinical trial
Stress, Taylor & Francis 2018, Vol. 21, (4) : 279-291
Malmberg Gavelin, Hanna; Eskilsson, Therese; Boraxbekk, Carl-Johan; et al.
Longitudinal evidence for increased functional response in frontal cortex for older adults with hippocampal atrophy and memory decline
Cerebral Cortex, Oxford University Press 2018, Vol. 28, (3) : 936-948
Pudas, Sara; Josefsson, Maria; Rieckmann, Anna; et al.
Maintained memory in aging is associated with young epigenetic age
Neurobiology of Aging, Elsevier 2017, Vol. 55 : 167-171
Degerman, Sofie; Josefsson, Maria; Nordin Adolfsson, Annelie; et al.
Longitudinal effects of bilingualism on dual-tasking
PLOS ONE, Public Library of Science (PLoS) 2017, Vol. 12, (12)
Eriksson Sörman, Daniel; Josefsson, Maria; Marsh, John Everett; et al.
Longitudinal association between hippocampus atrophy and episodic-memory decline
Neurobiology of Aging, Vol. 51 : 167-176
Gorbach, Tetiana; Pudas, Sara; Lundquist, Anders; et al.
APOE-ɛ4 effects on longitudinal decline in olfactory and non-olfactory cognitive abilities in middle-aged and old adults
Scientific Reports, Vol. 7
Josefsson, Maria; Larsson, Maria; Nordin, Steven; et al.
Causal inference with longitudinal outcomes and non-ignorable drop-out: Estimating the effect of living alone on cognitive decline
The Journal of the Royal Statistical Society, Series C: Applied Statistics, Vol. 65, (1) : 131-144
Josefsson, Maria; de Luna, Xavier; Daniels, Michael; et al.
Long-term episodic memory decline is associated with olfactory deficits only in carriers of ApoE-є4
Neuropsychologia, Elsevier 2016, Vol. 85 : 1-9
Olofsson, Jonas K; Josefsson, Maria; Ekström, Ingrid; et al.
ApoE-e4 Mediates the Association Between Episodic Memory Decline and Olfactory Identification Deficit
Chemical Senses, Vol. 40, (7) : 667-667
Olofsson, Jonas K.; Josefsson, Maria; Stanciu, Ingrid; et al.
Attrition in Studies of Cognitive Aging
Statistical studies, 47
Josefsson, Maria
A Longitudinal Study of Memory Advantages in Bilinguals
PLOS ONE, Public Library of Science (PLoS) 2013, Vol. 8, (9)
Körning-Ljungberg, Jessica; Hansson, Patrik; Andrés, Pilar; et al.
Brain Characteristics of Individuals Resisting Age-Related Cognitive Decline over Two Decades
Journal of Neuroscience, Vol. 33, (20) : 8668-8677
Pudas, Sara; Persson, Jonas; Josefsson, Maria; et al.
Genetic and lifestyle predictors of 15-Year longitudinal change in episodic memory
Journal of The American Geriatrics Society, Vol. 60, (12) : 2308-2312
Josefsson, Maria; de Luna, Xavier; Pudas, Sara; et al.
Imputation of missing longitudinal fMRI data
Josefsson, Maria; Lundquist, Anders; Nyberg, Lars
Introducing flexible monotone multiple choice item response theory models and bit scales
Wallmark, Joakim; Josefsson, Maria; Wiberg, Marie
View publications in DiVA

Research groups

Head of research
Stat4Reg

Research projects

7 August 2024
RECO: Rehabilitation for improved cognition in stress-related exhaustion disorder
1 January 2017 until 1 January 2025
iPARK
1 January 2017 until 31 December 2021
Attrition and Generalizability of Cognitive Aging Studies - A Population-Based Perspective
1 January 2014 until 31 December 2018
Paths to Healthy and Active Ageing
1 January 2013 until 31 December 2017
Longitudinal studies of cognitive aging: Multivariate and fMRI outcomes with non-ignorable dropout