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Ni, W. ; Zhang, S. ; Herder, C.* ; Breitner-Busch, S. ; Wolf, K. ; Liao, M. ; Nikolaou, N. ; Pickford, R. ; Koenig, W.* ; Rathmann, W.* ; Schwettmann, L. ; Roden, M.* ; Thorand, B. ; Peters, A. ; Schneider, A.E.

Associations of long-term exposure to temperature variability with glucose metabolism: Results from KORA F4 and FF4.

Environ. Sci. Technol., DOI: 10.1021/acs.est.5c04956 (2025)
Verlagsversion Forschungsdaten DOI PMC
Open Access Hybrid
Creative Commons Lizenzvertrag
The impact of rising temperature variability driven by climate change on metabolic health remains understudied, especially considering the global increase in diabetes prevalence, with long-term effects on glucose metabolism unexplored. This study investigated associations between long-term temperature variability exposure and glucose metabolism in a population-based cohort of 2997 participants (4954 observations) over a 7-year period from KORA F4 and FF4 cohorts in Augsburg, Germany. Long-term exposure to temperature variability was estimated as the standard deviation of the daily mean air temperature over the 365-day period preceding each examination. We applied generalized estimating equations to examine the longitudinal associations between long-term exposure to temperature variability and multiple glucose metabolism biomarkers: fasting glucose, 2h glucose, fasting insulin, homeostasis model assessment of insulin resistance (HOMA-IR), homeostasis model assessment of β-cell function (HOMA-B), quantitative insulin sensitivity check index (QUICKI), and glycated hemoglobin (HbA1c). We found that a 1 °C higher temperature variability was significantly associated with higher fasting insulin, HOMA-IR, and HbA1c with % changes (95% CI) of 2.62 (0.79; 4.49), 2.81 (0.79; 4.87), and 2.38 (1.97; 2.79), respectively, and lower QUICKI (-0.41 [-0.70; -0.11]). These findings suggest that increasing temperature variability exposure may contribute to metabolic dysfunction, potentially accelerating the global diabetes epidemic.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Homa-ir ; Hba1c ; Quicki ; Fasting Insulin ; Glucose Metabolism ; Long-term Effects ; Temperature Variability
Sprache englisch
Veröffentlichungsjahr 2025
HGF-Berichtsjahr 2025
ISSN (print) / ISBN 0013-936X
e-ISSN 1520-5851
Zeitschrift Environmental Science & Technology
Verlag American Chemical Society (ACS)
Verlagsort Washington, DC
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epidemiology (EPI)
Institute of Health Economics and Health Care Management (IGM)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-504000-001
G-504000-010
G-505300-001
G-504000-002
DOI 10.1021/acs.est.5c04956
PubMed ID 41200836
Erfassungsdatum 2025-11-11
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