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Author

R. Mikolajczyk

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8 papers indexed here

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Open access Oct 2026

Do occupational factors mediate the association of shiftwork with mental health?

Abstract Background We studied the mediating influence of occupational and social factors on the association between shift work and mental health in the population-based digital multicenter cohort DigiHero from Germany. Methods An online questionnaire assessing sociodemographic factors, shiftwork, general occupational...

T. Behrens, N. Glaser, R. Mikolajczyk et al. · 0 citations
Open access Oct 2026

Exposure to childhood adversity and adult alcohol, nicotine, and illicit drug use in Germany: a cross-sectional analysis of the German National Cohort (NAKO)

Rationale Exposure to adversity in childhood and adolescence (i.e., “early-life stress”; ELS) is a well-established risk factor for substance use. Objectives The aim of this study was to investigate associations between ELS exposure and substance use across subtypes of ELS, different substance classes, and behavioral p...

J. Böhmer, Kanya Meyer-Degering, A. Ghadami et al. · 0 citations
Review Open access Aug 2026

Usual dietary intake estimation in the German National Cohort (NAKO)

Introduction Accurate measurement of dietary intake remains challenging in large-scale nutritional studies. This study aimed to develop and evaluate both a practical dietary assessment strategy and a computationally efficient statistical method for estimating usual dietary intake in the German National Cohort (NAKO Ges...

N. Wawro, Sylvia Gastell, R. Mikolajczyk et al. · 1 citation
Open access Aug 2026

Psychometric validation of research domain criteria, general health, and clinical-psychosocial parts of the minimum dataset of the German Center for Mental Health—informing a Delphi process

This study evaluated the latent structure and conceptual validity of the Research Domain Criteria (RDoC), General Health, and Clinical/Psychosocial clusters of the German Center for Mental Health (DZPG) Minimum Data Set (MDS). It aimed to determine whether these clusters represent interpretable constructs and demonstra...

Bernd R. Förstner, S. Böttger, Timm Seegert et al. · 0 citations
Review Open access Sep 2026

Environmental exposures and mental health: longitudinal results from the German National Cohort (NAKO).

BACKGROUND Environmental exposures such as air pollution, population density, and climate-related stressors may influence mental health, yet large-scale longitudinal evidence is limited. This study examined associations of environmental exposures with depressive and anxiety symptoms, and stress in the German National C...

Yan-Ding Wang, Susanne Breitner-Busch, K. Wolf et al. · 0 citations
Open access Sep 2026

The association of a lifestyle risk index with glycemic status in the German National Cohort (NAKO)

In this large sample of predominantly healthy adults, a combination of lifestyles, foremost driven by not smoking, was weakly associated with lower HbA1c levels but not self-reported diabetes, and lifestyle factors may be relevant for glycemic control.

G. Maskarinec, Rebecca Klapp, U. Nöthlings et al. · 0 citations
Open access Aug 2026

Examining the Contribution of Childhood Maltreatment to the Sex Gap in Depression: Insights from the German National Cohort (NAKO).

Childhood maltreatment accounts for a substantial proportion of depression in both sexes, with stronger overall associations in females, and sex-specific prevention may help reduce depression prevalence.

Maja P. Völker, A. L. Kresken, J. Foo et al. · 0 citations

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