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"Chung, Paul J."
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A data-driven approach to categorizing early life adversity exposure in the ABCD Study
2023
Background
Adversity occurring during development is associated with detrimental health and quality of life outcomes, not just following exposure but throughout the lifespan. Despite increased research, there exists both overlapping and distinct definitions of early life adversity exposure captured by over 30 different empirically validated tools. A data-driven approach to defining and cataloging exposure is needed to better understand associated outcomes and advance the field.
Methods
We utilized baseline data on 11,566 youth enrolled in the ABCD Study to catalog youth and caregiver-reported early life adversity exposure captured across 14 different measures. We employed an exploratory factor analysis to identify the factor domains of early life adversity exposure and conducted a series of regression analyses to examine its association with problematic behavioral outcomes.
Results
The exploratory factor analysis yielded a 6-factor solution corresponding to the following distinct domains: 1) physical and sexual violence; 2) parental psychopathology; 3) neighborhood threat; 4) prenatal substance exposure; 5) scarcity; and 6) household dysfunction. The prevalence of exposure among 9-and 10-year-old youth was largely driven by the incidence of parental psychopathology. Sociodemographic characteristics significantly differed between youth with adversity exposure and controls, depicting a higher incidence of exposure among racial and ethnic minoritized youth, and among those identifying with low socioeconomic status. Adversity exposure was significantly associated with greater problematic behaviors and largely driven by the incidence of parental psychopathology, household dysfunction and neighborhood threat. Certain types of early life adversity exposure were more significantly associated with internalizing as opposed to externalizing problematic behaviors.
Conclusions
We recommend a data-driven approach to define and catalog early life adversity exposure and suggest the incorporation of more versus less data to capture the nuances of exposure, e.g., type, age of onset, frequency, duration. The broad categorizations of early life adversity exposure into two domains, such as abuse and neglect, or threat and deprivation, fail to account for the routine co-occurrence of exposures and the duality of some forms of adversity. The development and use of a data-driven definition of early life adversity exposure is a crucial step to lessening barriers to evidence-based treatments and interventions for youth.
Journal Article
Preventing respiratory illness in cerebral palsy: Results of a pilot randomized controlled trial
by
Singh-Verdeflor, Kristina
,
Klitzner, Thomas S.
,
Coller, Ryan J.
in
Acceptability
,
Asthma
,
Caregivers
2025
Respiratory illness is consistently the leading cause of death and hospitalization in severe cerebral palsy (CP). Respiratory Exacerbations-Plan for Action and Care Transitions (RE-PACT) is a just-in-time adaptive intervention to prevent respiratory illness in severe CP. RE-PACT combines early illness detection with rapid clinical response to address varying causes of respiratory illness early enough to modify illness trajectory. This study's objective was to determine RE-PACT's feasibility, acceptability, fidelity, and estimated effect size.
This two-site randomized controlled trial occurred from April 2022-February 2024 in demographically and geographically distinct locations. Caregiver-child pairs were recruited from complex care programs, and children had both gross motor function classification system level 4-5 CP and either pulmonologist care or daily respiratory treatments. Children were randomized to usual care or RE-PACT for six months. Primary outcomes were feasibility, acceptability, and fidelity measures having a priori definitions of success. The primary clinical outcome was the severe respiratory illness (SRI) event rate, defined as hospitalizations due to respiratory diagnoses. Clinicaltrials.gov registration is NCT05292365.
Sixty children were enrolled, of which 26 were randomized into RE-PACT. Measures confirmed RE-PACT's feasibility, acceptability, and fidelity, e.g., text message response rates were 97.5%, and no action planning or clinical responder activities were missed. System usability scale scores were \"good to excellent\" (mean [SD], 79.5 [11.7]). The RE-PACT SRI event rate (95% confidence interval, CI) was 0.71 (0.36-1.14) per person-year compared to the usual care event rate 1.08 (0.61-1.91) per person-year, a risk ratio of 0.66 (0.28-1.56). Secondary outcomes and qualitative data reinforced RE-PACT's positive impact.
RE-PACT is a feasible, acceptable intervention that can be delivered with high fidelity to diverse families caring for children with severe CP. These data inform the sample and design characteristics needed for efficacy testing of RE-PACT's ability to prevent severe respiratory illness.
Journal Article
Intergenerational Associations between Parents’ and Children’s Adverse Childhood Experience Scores
by
Schickedanz, Adam
,
Halfon, Neal
,
Sastry, Narayan
in
Adults
,
Adverse childhood experiences
,
adverse childhood experiences (ACEs)
2021
Background: Adverse childhood experiences (ACEs) are stressful childhood events associated with behavioral, mental, and physical illness. Parent experiences of adversity may indicate a child’s adversity risk, but little evidence exists on intergenerational links between parents’ and children’s ACEs. This study examines these intergenerational ACE associations, as well as parent factors that mediate them. Methods: The Panel Study of Income Dynamics (PSID) 2013 Main Interview and the linked PSID Childhood Retrospective Circumstances Study collected parent and child ACE information. Parent scores on the Aggravation in Parenting Scale, Parent Disagreement Scale, and the Kessler-6 Scale of Emotional Distress were linked through the PSID 1997, 2002, and 2014 PSID Childhood Development Supplements. Multivariate linear and multinomial logistic regression models estimated adjusted associations between parent and child ACE scores. Results: Among 2205 parent-child dyads, children of parents with four or more ACEs had 3.25-fold (23.1% [95% CI 15.9–30.4] versus 7.1% [4.4–9.8], p-value 0.001) higher risk of experiencing four or more ACEs themselves, compared to children of parents without ACEs. Parent aggravation, disagreement, and emotional distress were partial mediators. Conclusions: Parents with higher ACE scores are far more likely to have children with higher ACEs. Addressing parenting stress, aggravation, and discord may interrupt intergenerational adversity cycles.
Journal Article
Paid parental leave and family wellbeing in the sustainable development era
2017
Background
The Sustainable development goals (SDGs) have the potential to have a significant impact on maternal and child health through their commitments both to directly addressing health services and to improving factors that form the foundation of social determinants of health. To achieve change at scale, national laws and policies have a critical role to play in implementing the SDGs’ commitments. One particular policy that could advance a range of SDGs and importantly improve maternal and infant health is paid parental leave.
Methods
This article analyzes literature on paid leave and related policies relevant to SDG 1 (poverty), SDG 3 (health), SDG 5 (gender equality), SDG 8 (decent work), and SDG 10 (inequality). In addition, this article presents global data on the prevalence of policies in all 193 UN Member States.
Results
A review of the literature finds that paid parental leave may support improvements across a range of SDG outcomes relevant to maternal and child health. Across national income levels, paid leave has been associated with lower infant mortality and higher rates of immunizations. In high-income countries, studies have found that paid leave increases exclusive breastfeeding and may improve women’s economic outcomes. However, factors including the duration of leave, the wage replacement rate, and whether leave is made available to both parents importantly shape the impacts of paid leave policies. While most countries now offer at least some paid maternal leave, many provide less than the 6 months recommended for exclusive breastfeeding, and only around half as many provide paternal leave.
Conclusions
To accelerate progress on the SDGs’ commitments to maternal and child health, we should monitor countries’ actions on enacting or strengthening paid leave policies. Further research is needed on the duration, wage replacement rate, and availability of leave before and after birth that would best support both child and parental health outcomes and social determinants of health more broadly. In addition, further work is needed to understand the extent to which paid leave policies extend to the informal economy, where the majority of women and men in low- and middle-income countries work.
Journal Article
Juvenile confinement exacerbates adversity burden: A neurobiological impetus for decarceration
2022
Every year, about 700,000 youth arrests occur in the United States, creating significant neurodevelopmental strain; this is especially concerning as most of these youth have early life adversity exposures that may alter brain development. Males, Black and Latinx youth, and individuals from low socioeconomic status households have disproportionate contact with the juvenile justice system. Youth confined in the juvenile justice system are frequently exposed to threat and abuse, in addition to separation from family and other social supports. Youths’ educational and exploratory behaviors and activities are substantially restricted, and youth are confined to sterile environments that often lack sufficient enrichment resources. In addition to their demonstrated ineffectiveness in preventing future delinquent behaviors, high recidivism rates, and costs, juvenile conditions of confinement likely exacerbate youths’ adversity burden and neurodevelopmentally harm youth during the temporally sensitive window of adolescence. Developmentally appropriate methods that capitalize on adolescents’ unique rehabilitative potential should be instated through interventions that minimize confinement. Such changes would require joint advocacy from the pediatric and behavioral health care communities.
Journal Article
Childhood Self-Control and Adolescent Obesity: Evidence from Longitudinal Data on a National Cohort
2018
Abstract
Background:
Whether self-control at school entry and changes in self-control in the early school years are predictive of BMI change and obesity onset over the next 8 years using longitudinal data on a nationally representative sample of US children.
Methods:
Data from the Early Childhood Longitudinal Study–Kindergarten Class 1998 were analyzed. The analysis sample included 7060 children with data from kindergarten (mean age = 6 years) until eighth grade (mean age = 14 years). Self-control was assessed using teacher-reported scales. Child BMI and obese status (BMI ≥95th percentile for age and gender) were computed from height and weight measurements. Weighted linear and logistic regression models were estimated, adjusting for child's cognitive ability and a rich set of child and family covariates.
Results:
High self-control in kindergarten was associated with lesser BMI increase (p < 0.05) and 43% lower odds (adjusted OR [AOR] = 0.57, 95% confidence interval [CI]: 0.38–0.86) of new onset obesity over the subsequent 8 years. The beneficial effect of high self-control in kindergarten emerged between fifth and eighth grade. Among children with low self-control in kindergarten, increase in self-control between kindergarten and fifth grade was associated with a 1.42 kg/m2 (95% CI: −2.82 to −0.02) lesser increase in BMI and 66% lower odds of new obesity onset (AOR = 0.34; 95% CI: 0.14–0.83), between kindergarten and eighth grade.
Conclusions:
Low self-control at school entry is an important risk factor for unhealthy BMI increase during the transition to adolescence. Increase in self-control in the early school years may prevent unhealthy BMI increase and obesity in adolescence.
Journal Article
Barriers to and facilitators of a just-in-time adaptive intervention for respiratory illness in cerebral palsy: a qualitative study
by
Katz, Barbara J
,
Singh-Verdeflor, Kristina Devi
,
Ehlenbach, Mary L
in
Allied Health Personnel
,
Caregivers
,
Cerebral palsy
2023
ObjectiveTo understand caregiver, healthcare professional and national expert perspectives on implementation of a just-in-time adaptive intervention, RE-PACT (Respiratory Exacerbation-Plans for Action and Care Transitions) to prevent respiratory crises in severe cerebral palsy.DesignQualitative research study.SettingPaediatric complex care programmes at two academic medical institutions.ParticipantsA total of n=4 focus groups were conducted with caregivers of children with severe cerebral palsy and chronic respiratory illness, n=4 with healthcare professionals, and n=1 with national experts.MethodsParticipants viewed a video summarising RE-PACT, which includes action planning, mobile health surveillance of parent confidence to avoid hospitalisation and rapid clinical response at times of low confidence. Moderated discussion elicited challenges and benefits of RE-PACT’s design, and inductive thematic analysis elicited implementation barriers and facilitators.ResultsOf the 19 caregivers recruited, nearly half reported at least one hospitalisation for their child in the prior year. Healthcare professionals and national experts (n=26) included physicians, nurses, respiratory therapists, social workers and researchers. Four overarching themes and their barriers/facilitators emphasised the importance of design and interpersonal relationships balanced against health system infrastructure constraints. Intervention usefulness in crisis scenarios relies on designing action plans for intuitiveness and accuracy, and mobile health surveillance tools for integration into daily life. Trust, knowledge, empathy and adequate clinician capacity are essential components of clinical responder-caregiver relationships.ConclusionsRE-PACT’s identified barriers are addressable. Just-in-time adaptive interventions for cerebral palsy appear well-suited to address families’ need to tailor intervention content to levels of experience, preference and competing demands.
Journal Article
My Child's Journey Home
by
Stover, Eric
,
Chung, Paul J.
,
Bourgois, Philippe
in
Adopted children
,
Adoption
,
Adoptive families
2019
This article explores family separation and reunification of the disappeared Salvadoran children separated from their families during El Salvador's civil war (1980–1992) from the perspectives of adult relatives. During separation, adult relatives experienced an \"unresolvable loss.\" Following reunion, families experienced an immediate relief that was often accompanied by an \"ambiguous reunification.\" Emotions were especially complicated and painful when the separation had been a \"forced choice\" by the parent under coercive wartime political conditions. Adoptive parents strongly influenced reunification. Findings suggest that disappeared children and biological and adoptive family members need psycho-social support throughout separation and reunification.
Journal Article
Pediatrician Knowledge of Early Intervention Process as Contributor to Disparities in Management of Development Delay
by
Chung, Paul J
,
Gallegos, Abraham
,
Dudovitz, Rebecca
in
Child development
,
Early intervention
,
Health disparities
2024
IntroductionLack of knowledge of Early Intervention (EI) is a barrier to developmental delay (DD) management. We aimed to examine the feasibility of measuring pediatricians’ knowledge of EI, determine the distribution of EI knowledge, and determine factors associated with increased EI knowledge.MethodsWe conducted an exploratory cross-sectional study with a convenience sample from a local American Academy of Pediatrics chapter to administer a survey with 10 multiple-choice questions regarding the EI referral process, evaluation process, eligibility criteria and fee structure. Our outcome variable was a composite score of these 10 multiple-choice questions, Total Knowledge Score (TKS). Our predictor variables included physician characteristics (i.e., years of experience, percentage of patients seen with private insurance, receipt of EI training in the last 5 years) and practice characteristics (i.e., medical home status).ResultsOur sample consisted of a total of 194 pediatric residents/attendings. Multivariable regression demonstrated seeing ≥ 50% patients who were privately insured, increased experience, and receiving training in the last 5 years were associated with higher TKS.DiscussionWe were able to quantitatively evaluate physician’s knowledge of EI and demonstrated that seeing a majority of privately insured patients, having more experience, and having received formal EI training in the last 5 years were associated with higher EI knowledge. This disproportionate distribution of EI knowledge has the potential to contribute to disparities in the management of DD. This may indicate that medical institutions, where physicians see a small percent of privately insured patients, need to hire more experienced physicians, and provide routine EI training.SignificancePhysician knowledge of the Early Intervention process has been described as a potential barrier to the management of children with developmental delay. Studies have demonstrated that physician knowledge of this process has the potential to impact physician referral rates and parents’ willingness to carry out a physician referral to completion. Our study is the first to quantitatively evaluate physicians’ knowledge of the Early Intervention process and determine the physician factors that are associated with knowledge. Additionally, we examined whether the disproportionate distribution of physician knowledge has the potential to contribute to disparities described in the literature for developmental delay management.
Journal Article
Barriers to Health Care for Latino Youths During Community Reentry After Incarceration: Los Angeles County, California, 2016–2018
by
Barnert, Elizabeth S.
,
Chung, Paul J.
,
Lopez, Nathalie
in
Access
,
Adolescent Health
,
Adverse childhood experiences
2020
Objectives. To examine barriers to health care for Latino youths during reentry after incarceration. Methods. For this in-depth qualitative study, we conducted 69 semistructured interviews with 22 Latino youths and their parents at 1, 3, and 6 months after incarceration. We performed thematic analysis of interview transcripts, from which a preliminary conceptual model emerged describing barriers to care for Latino youths. We then conducted trajectory analyses of dyadic youth–caregiver pairs to test the conceptual model. We collected longitudinal interviews in Los Angeles County, California, from November 2016 to March 2018. Results. Beyond recognized stressors experienced by youths during reentry, most of which families related to poverty and neighborhood environment, Latino youths also experienced cultural barriers to care (i.e., self-reliance and pride, religiosity and reproductive care as taboo, preference for home remedies, language) as well as barriers to care because of undocumented status (i.e., fear of deportation, job insecurity). Conclusions. Reentry is challenging, and Latino youths face additional barriers to care during reentry related to culture and legal status, but have cultural strengths. Increased access to culturally sensitive, safety-net health care, regardless of immigration status, may reduce health inequalities for Latino youths undergoing reentry.
Journal Article