Publications by authors named "Shadane Johnson"

Importance: Although racial and ethnic disparities are well documented in children's mean levels of sleep, particularly duration, evidence is mixed for sleep variability, an important sleep dimension of growing interest. Most research has also focused on comparisons of Black and White children, with limited attention to sleep variability disparities among other racially and ethnically minoritized groups such as Asian, Latinx, and multiracial children.

Objective: To investigate racial and ethnic disparities in children's mean levels of sleep and variability of sleep across multiple dimensions and diverse racial and ethnic groups using actigraphy data.

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Developmental and parenting frameworks suggest that factors at the individual-level and multiple levels of adolescents' contexts are important determinants of how African American parents prepare their children to live in a racially stratified society. Using a person-centered approach, this study explored heterogeneity in profiles of African American parent-adolescent relationships (PARs) using indicators of parent-reported ethnic-racial socialization (cultural socialization, preparation for bias), general parenting practices (autonomy support, monitoring, behavioral control), and relationship quality (warmth, communication, conflict). We also examined how adolescents' characteristics, parents' personal and psychological resources, and contextual sources of stress and support contributed to profile membership.

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Purpose: The study aimed to investigate longitudinal, bidirectional associations between discrimination due to multiple reasons (race/ethnicity, sexual orientation, weight; termed multiple discrimination) and substance use (SU) intention in late childhood. These associations were compared across youth with no, single, and multiple (i.e.

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This study examined how discrimination experiences, beliefs, and coping in middle adolescence contributed to heterogeneity in African American parent-adolescent relationship (PAR) profiles three years later. Data were from the Maryland Adolescent Development in Context Study in which 589 African American caregivers (92% female; M  = 39.15, SD = 6.

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