ArticleNeurology2026
Long-Term Income and Productivity Losses in Individuals With Early-Onset Dementia: Evidence From 15 Years Preceding the Diagnosis.
Article in Neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06209515 (Sociodemographic Factors and Criminal Behaviour Preceding Neurodegenerative Disease - Retrospective Register Study), which is not on this map. Not yet cited in PubMed.
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Sociodemographic Factors and Criminal Behaviour Preceding Neurodegenerative Disease - Retrospective Register Study
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15 authors.
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Abstract
BACKGROUND AND
objectivesEarly-onset dementia (EOD), affecting individuals younger than 65 years, imposes a substantial socioeconomic burden. However, evidence on long-term income trajectories and productivity loss across EOD subtypes remains limited. The aim of this study was to evaluate income trajectories and societal productivity loss in individuals with different EOD subtypes.
methodsThis retrospective, population-based longitudinal cohort study included all patients with EOD from Kuopio University Hospital and Oulu University Hospital referral area between January 2010 and December 2021. Diagnoses were re-validated through clinical data review. For each study case, 10 randomly selected matched controls were used. Demographics, education, and comorbidities were obtained from national registers. Annual gross income was retrieved from Statistics Finland tax records. The Human Capital Approach was used to calculate productivity losses, in effect by estimating the annual income difference relative to controls using a generalized estimating equation regression model, with panel data spanning 15 years before diagnosis and the year of diagnosis.
resultsThe EOD cohort comprised 793 patients (50.4% women; mean age 59.6 years): 421 with Alzheimer disease (AD), 179 with frontotemporal dementia (FTD) spectrum disorders, 46 with α-synucleinopathies (α-SYNUs), and 147 with other EOD etiologies. Compared with 7,926 age-matched and sex-matched controls, patients with EOD showed substantial and progressively increasing productivity loss up to 15 years before diagnosis, with cumulative losses of €74,577 (46,423-102,732) per patient. In the AD group, productivity loss emerged 6 years before diagnosis (€2,767; 95% CI 18-5,515; DISCUSSION: This large-scale longitudinal study demonstrates significant productivity loss up to 15 years before EOD diagnosis, with variation across dementia subtypes. Earlier recognition and targeted interventions are needed in the future to mitigate the substantial socioeconomic burden of EOD. TRIAL REGISTRATION INFORMATION: This study is part of DEGE-RWD-research project (protocol registered to ClinicalTrials.gov: NCT06209515), coordinated by Neurocenter Finland.
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