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Salivary Bioscience News

Early adversity contributes to lower latent trait salivary cortisol (LTC) levels in adolescence

Individual differences in early adolescents’ latent trait cortisol (LTC): Relation to early adversity

Author: Stroud CB, et al (2016), Developmental Psychobiology

Substantial evidence suggests that youth who experience early adversity exhibit alterations in hypothalamic pituitary adrenal (HPA) axis functioning, thereby increasing risk for negative health outcomes. However, few studies have explored whether early adversity alters enduring trait indicators of HPA axis activity. Using objective contextual stress interviews with adolescents and their mothers to assess early adversity, we examined the cumulative impact of nine types of early adversity on early adolescents girls’ latent trait cortisol (LTC). 122 adolescent girls with an average age of 12.39 years, provided salivary cortisol samples three times a day (waking, 30 min post-waking, and bedtime) over 3 days. Latent state-trait modeling indicated that the waking and 30 min post-waking samples contributed to a LTC factor. Moreover, greater early adversity was associated with a lower LTC level. Implications of LTC for future research examining the impact of early adversity on HPA axis functioning are discussed.

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Keywords: Adolescence, diurnal cortisol, early adversity, hypothalamic pituitary adrenal axis, salivary cortisol, trait

*Note: Salimetrics provides this information for research use only (RUO). Information is not provided to promote off-label use of medical devices. Please consult the full-text article.

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