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Data from three NIH Environmental influences on Child Health Outcomes (ECHO) Program cohorts that collected the HOME-Infant-Toddler (HOME-IT age 0-3 years) version were used to examine the reliability of a brief scale of caregiver support and cognitive stimulation. Participants with HOME-IT data (N = 2518) were included in this analysis. Mean child age at HOME-IT assessment was 1.51 years, 48% of children were female, and 43% of children identified as Black. A four-stage analysis plan was used to evaluate item response theory assumptions, item response theory model fit, monotonicity, scalability, item fit, and differential item functioning. Results indicate the feasibility of developing a reliable 10-item scale (reliability >0.7) with particularly high precision for children with lower levels of cognitive stimulation., (© 2024 The Author(s). Child Development © 2024 Society for Research in Child Development.)

The Environmental Influences on Child Health Outcomes (ECHO)-Wide Cohort Study (EWC), a collaborative research design comprising 69 cohorts in 31 consortia, was funded by the National Institutes of Health (NIH) in 2016 to improve children's health in the United States. The EWC harmonizes extant data and collects new data using a standardized protocol, the ECHO-Wide Cohort Data Collection Protocol (EWCP). EWCP visits occur at least once per life stage, but the frequency and timing of the visits vary across cohorts. As of March 4, 2022, the EWC cohorts contributed data from 60,553 children and consented 29,622 children for new EWCP data and biospecimen collection. The median (interquartile range) age of EWCP-enrolled children was 7.5 years (3.7-11.1). Surveys, interviews, standardized examinations, laboratory analyses, and medical record abstraction are used to obtain information in 5 main outcome areas: pre-, peri-, and postnatal outcomes; neurodevelopment; obesity; airways; and positive health. Exposures include factors at the level of place (e.g., air pollution, neighborhood socioeconomic status), family (e.g., parental mental health), and individuals (e.g., diet, genomics)., (© The Author(s) 2023. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health.)

Using data from a diverse sample of 620 families residing in rural, predominately low-income communities, this study examined longitudinal links between fathers' sensitive parenting in infancy and toddlerhood and children's early executive functioning, as well as the contribution of maternal sensitive parenting. After accounting for the quality of concurrent and prior parental care, children's early cognitive ability, and other child and family factors, fathers' and mothers' sensitive and supportive parenting during play at 24 months predicted children's executive functioning at 3 years of age. In contrast, paternal parenting quality during play at 7 months did not make an independent contribution above that of maternal care, but the links between maternal sensitive and supportive parenting and executive functioning seemed to operate in similar ways during infancy and toddlerhood. These findings add to prior work on early experience and children's executive functioning, suggesting that both fathers and mothers play a distinct and complementary role in the development of these self-regulatory skills.

Using data from a diverse sample of 581 families living in predominantly low-income, rural communities, the current study sought to investigate the longitudinal associations among father-perpetrated intimate partner violence (IPV) and child-directed physical aggression perpetrated by the mother. The unique contributions of each of these types of family violence on children's behavioral problems at school entry were also examined. Results confirm bidirectional associations between father-perpetrated IPV and maternal physical aggression directed toward the child, and indicate that both types of physical aggression contribute to child behavior problems at school entry.

Objective: We examined the perceived impact of child anxiety disorders on family functioning, because such impact is a key predictor of mental health service receipt. In addition, we examined the relative impact of preschool anxiety compared to that of other early childhood disorders, and whether this impact persisted after accounting for the effects of comorbidity, or varied by child age and sex., Method: Drawing from a pediatric primary-care clinic and oversampling for children at risk for anxiety, 917 parents of preschoolers (aged 2-5 years) completed a diagnostic interview and reported on child psychiatric symptom impact on family finances, relationships, activities, and well-being., Results: After accounting for comorbid disorders, families of children with anxiety were 3.5 times more likely to report a negative impact of their child's behavior on the family relative to nondisordered children. Generalized and separation anxiety had an impact on family functioning similar to that of attention-deficit/hyperactivity disorder and disruptive disorders. There was a significant family impact for girls with social phobia, whereas there was no impact for boys., Conclusions: Preschool anxiety has a significant, unique impact on family functioning, particularly parental adjustment, highlighting the family impairment linked with early anxiety, and the need for further research on barriers to care for these disorders., (Copyright © 2014 American Academy of Child and Adolescent Psychiatry. Published by Elsevier Inc. All rights reserved.)

Drawing on emotional security theory, this study examined linkages between interparental aggression, infant self-regulatory behaviors, and patterns of physiological and behavioral stress responses in a diverse sample of 735 infants residing in predominately low-income, non-metropolitan communities. Latent profile analysis revealed four classes of adrenocortical and behavioral stress-response patterns at 7 months of age, using assessments of behavioral and cortisol reactivity to an emotion eliciting challenge, as well as global ratings of the child's negative affect and basal cortisol levels. The addition of covariates within the latent profile model suggested that children with more violence in the home and children who used less caregiver-oriented regulation strategies were more likely to exhibit a pattern of high cortisol reactivity with moderate signs of distress rather than the average stress response, suggesting possible patterns of adaptation in violent households., (Copyright © 2011 Wiley Periodicals, Inc.)

The current study explored longitudinal associations between interparental aggression, the development of child attention skills, and early childhood behavior problems in a diverse sample of 636 families living in predominately low-income, nonmetropolitan communities. The results of latent-variable, cross-lagged longitudinal models revealed that maternal-reported interparental aggression in infancy predicted reduced observed attention skills in toddlerhood; no association was observed, however, between attention in infancy and interparental aggression during the toddler years. Further, reduced toddler attention and high interparental aggression were both associated with increased risk for attention-deficit/hyperactivity disorder symptoms and conduct problems at 3 years of age. Processes largely operated in similar ways regardless of child gender or low-income status, although a few differences were observed. Overall, the results suggest that interparental aggression undermines attention development, putting children's early behavioral adjustment at risk.

Identified in the early 1980s as a surrogate marker of the sympathetic nervous system component of the stress response, there has been renewed interest in measuring salivary alpha-amylase (sAA) to test biosocial models of stress vulnerability. This brief report presents studies that document that oral fluids from the parotid and submandibular gland areas had higher sAA values than did whole saliva specimens, and sAA values in whole saliva were higher than levels measured in oral fluids from the sublingual gland area. sAA in oral fluids from the parotid and submandibular gland areas showed the highest and more pronounced diurnal variation than levels in whole saliva, and sAA in sublingual saliva showed the lowest and shallowest diurnal variation. When this source of inherent variability in sAA activity levels is not controlled for by collecting oral fluids consistently from specific gland areas, the detection of individual differences, associations between sAA and "behavioral" variables, and intra-individual change in sAA levels may be compromised. Awareness, and management, of this ubiquitous source of measurement error in sAA are essential to ensure the success of future research on the correlates and concomitants of sAA levels, stress-related reactivity and recovery, and diurnal variation.

Despite long-standing research, the relations between power assertive discipline and child adjustment continue to be debated. Disentangling disciplinary practices from the parent-child emotional climate may aid understanding of how such parenting practices impact child adjustment. This study explored longitudinal relations between maternal emotional involvement, power assertive discipline, and child adjustment in a sample of 35 mothers of infant, toddler, and preschool-age children. Results indicate that power assertive discipline may differentially impact child adjustment, depending on levels of maternal emotional involvement.