Childhood Poly-victimization Is Associated With Elevated Body Mass Index and Blunted Cortisol Stress Response in College Women

Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine
Aimee J Christie, Karen A Matthews

Abstract

Childhood interpersonal violence is linked to obesity and central adiposity in adulthood. Victimization experiences are likely to co-occur within individuals, but few studies have examined poly-victimization in the context of obesity and central adiposity. The aim of this study is to evaluate the relationship between poly-victimization and body mass index (BMI) and waist circumference (WC) and to explore whether dysregulation of the hypothalamic-pituitary-adrenal axis, as measured by the cortisol stress response, mediates the relationship. Healthy undergraduate women were recruited for a laboratory study from an online survey that assessed six different childhood victimization experiences: physical abuse, sexual abuse, peer violence, intimate partner violence, community violence, and witnessing violence. Forty-four women were categorized as poly-victims (2-5 types of violence exposures) and 48 were controls (0 types of violence exposures). Salivary cortisol was measured before and after the Trier Social Stress Test. Cortisol stress response was analyzed by the area under the curve with respect to ground (AUCG). Compared with controls, poly-victims had higher BMI (B = 2.03, p = .04) and lower cortisol AUCG (B = -6.70, p < .01), ...Continue Reading

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Citations

Feb 27, 2021·Research and Theory for Nursing Practice·Jorgia B Connor, Linda W Janusek

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