Journal
JOURNAL OF FAMILY PSYCHOLOGY
Volume 23, Issue 6, Pages 882-894Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/a0017147
Keywords
cortisol; hierarchical linear modeling; parent-child relationships
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Funding
- NICHD NIH HHS [R03 HD57346, R03 HD057346, R03 HD057346-02] Funding Source: Medline
- NIMH NIH HHS [R03 MH063269-01, R03 MH63269, R03 MH063269-02, R03 MH063269] Funding Source: Medline
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In this study, the authors examined parent-adolescent cortisol associations in 45 families with adolescent children (24 girls; M age = 15.78 years, SD = 1.44 years). Family members' salivary cortisol levels were measured seven times a day on 2 typical weekdays. Family members provided reports of demographic and health variables, and adolescents rated parent-child relationship characteristics. After accounting for the effects of time of day and relevant demographic and health control variables on cortisol levels, hierarchical linear models indicated the presence of significant covariation over time in mother-adolescent cortisol (i.e., physiological synchrony). Furthermore, moderating tests revealed that mother-adolescent cortisol synchrony was strengthened among dyads characterized by mothers and adolescents spending more time together, and in families rated higher on levels of parent-youth shared activities and parental monitoring or supervision. Analysis of momentary characteristics indicated that maternal presence at the time of cortisol sampling lowered adolescent cortisol levels but did not account for mother-adolescent cortisol synchrony. Within-family physiological synchrony was amplified in momentary contexts of elevated maternal negative affect and elevated adolescent negative affect.
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