 Sex-related differences in the association of salivary cortisol levels and type 2 diabetes. Findings from the cross-sectional population based KORA-Age study.
        Sex-related differences in the association of salivary cortisol levels and type 2 diabetes. Findings from the cross-sectional population based KORA-Age study.
     
    
        
    
    
        
        Psychoneuroendocrinology 69, 133-141 (2016)
    
    
    
      
      
	
	    BACKGROUND: Dysregulation in the cortisol secretion may have a role in the development of type 2 diabetes although conflicting evidence on the particular cortisol secretion patterns and type 2 diabetes demands further investigations. We aim to examine the association of cortisol levels and diurnal secretion patterns with prevalence of type 2 diabetes and HbA1c levels as well as the potential impact of sex and adiposity on this association. METHODS: A cross-sectional analysis was conducted among 757 participants (aged 65-90 years) of the population-based KORA (Cooperative Health Research in the Region of Augsburg)-Age study. Multivariate regression analyses were employed to examine the association between salivary cortisol (measured upon waking (M1), 30min after awakening (M2), and in the late night (LNSC)) and type 2 diabetes as well as glycated hemoglobin (HbA1c) with adjustments for potential confounders. RESULTS: In the total sample population, an elevated LNSC level was observed in type 2 diabetes patients compared to non-patients (P=0.04). In sex-stratified analyses, diabetic men showed a greater Cortisol Awakening Response (CAR) (P=0.02). Diabetic women had significantly elevated LNSC levels (P=0.04). HbA1c was positively associated with both CAR and LNSC levels but was negatively associated with M1 to LNSC ratio. CONCLUSION: In this aged population, type 2 diabetes is associated with dysregulated cortisol secretion characterized by distinct sex specific diurnal patterns.
	
	
	    
	
       
      
	
	    
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        Publication type
        Article: Journal article
    
 
    
        Document type
        Scientific Article
    
 
    
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        Keywords
        Cortisol ; Elderly ; Epidemiology ; Hpa Axis ; Hba1c ; Type 2 Diabetes; Pituitary-adrenal Axis; Insulin-resistance; Adrenocortical Activity; Psychological Stress; Awakening Response; Whitehall-ii; Mellitus; Men; Gender; Dysregulation
    
 
    
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        Publication Year
        2016
    
 
    
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        2016
    
 
    
    
        ISSN (print) / ISBN
        0306-4530
    
 
    
        e-ISSN
        1873-3360
    
 
    
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	    Volume: 69,  
	    Issue: ,  
	    Pages: 133-141 
	    Article Number: ,  
	    Supplement: ,  
	
    
 
    
        
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            Elsevier
        
 
        
            Publishing Place
            Oxford
        
 
	
        
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        Peer reviewed
    
 
    
        Institute(s)
        Institute of Epidemiology (EPI)
    
 
    
        POF-Topic(s)
        30202 - Environmental Health
90000 - German Center for Diabetes Research
    
 
    
        Research field(s)
        Genetics and Epidemiology
    
 
    
        PSP Element(s)
        G-504000-003
G-501900-401
G-504090-001
    
 
    
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        Erfassungsdatum
        2016-04-20