Exploration of basal diurnal salivary cortisol profiles in middle-aged adults: Associations with sleep quality and metabolic parameters

被引:92
作者
Lasikiewicz, N. [1 ]
Hendrickx, H. [2 ]
Talbot, D. [2 ]
Dye, L. [3 ]
机构
[1] Leeds Metropolitan Univ, Fac Hlth, Leeds LS1 3HE, W Yorkshire, England
[2] Unilever Corp Res, Sharnbrook MK44 1LQ, Beds, England
[3] Univ Leeds, Inst Psychol Sci, Leeds LS2 9JT, W Yorkshire, England
基金
英国医学研究理事会;
关键词
human; saliva; cortisot-awakening response; diurnal profile; stress; steep; obesity;
D O I
10.1016/j.psyneuen.2007.10.013
中图分类号
R5 [内科学];
学科分类号
1002 [临床医学]; 100201 [内科学];
摘要
The use of saliva samples is a practical and feasible method to explore basal diurnal cortisol profiles in free-living research. This study explores a number of psychological and physiological characteristics in relation to the observed pattern of salivary cortisol activity over a 12-h period with particular emphasis on steep. Basal diurnal cortisol profiles were examined in a sample of 147 volunteers (mean age 46.21 +/- 7.18 years). Profiles were constructed for each volunteer and explored in terms of the area under the curve (AUC) of the cortisol-awakening response with samples obtained immediately upon waking (0, 15, 30 and 45 min post waking) and at 3, 6, 9 and 12 h post waking to assess diurnal decline. Diurnal mean of cortisol was based on the mean of cortisol at time points 3, 6, 9 and 12 h post waking. Psychological measures of perceived stress and steep were collected with concurrent biological assessment of fasting plasma glucose, insulin, blood Lipids and inflammatory markers. Blunted cortisol profiles, characterised by a reduced AUC, were observed in the majority (78%) of a middle-aged sample and were associated with significantly poorer steep quality and significantly greater waist-hip ratio (WHR). Blunted cortisol profiles were further associated with a tendency to exhibit a less favourable metabolic profile. These findings suggest that reduced cortisol secretion post waking may serve as an additional marker of psychological and biological vulnerability to adverse health outcomes in middle-aged adults. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:143 / 151
页数:9
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