Education and Levels of Salivary Cortisol Over the Day in Us Adults

  • 31/03/2022
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Giới thiệu

Background: dysregulation of the hypothalamic-pituitary-adrenal axis is hypothesized to be an important pathway linking socioeconomic position and chronic disease. Purpose: this paper tests the association between education and the diurnal rhythm of salivary cortisol. Methods: up to eight measures of cortisol (mean of 5.38 Per respondent) over 2 days were obtained from 311 respondents, aged 18-70, drawn from the 2001-2002 chicago community adult health study. Multi-level models with linear splines were used to estimate waking level, rates of cortisol decline, and area-under-the-curve over the day, by categories of education. Results: lower education (0-11 years) was associated with lower waking levels of cortisol, but not the rate of decline of cortisol, resulting in a higher area-under-the-curve for more educated respondents throughout the day. Conclusions: this study found evidence of lower cortisol exposure among individuals with less education and thus does not support the hypothesis that less education is associated with chronic over-exposure to cortisol. 2010 The society of behavioral medicine.

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