Publications by authors named "Whitney P Witt"

Purpose: This manuscript provides a history of efforts by the American Public Health Association (APHA) Maternal and Child Health Section (MCH Section) Gun Violence Prevention Workgroup (GVP Workgroup) to promote gun violence prevention (GVP) as a key public health priority both within the MCH Section and APHA, and nationally.

Description: The MCH Section established a gun violence prevention workgroup in response to the murders of twenty first-grade children and six adults at Sandy Hook Elementary School. This article presents an overview of the accomplishments and challenges of the MCH Section GVP Workgroup in a context of ever-increasing gun violence.

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COVID-19 continues to have severe repercussions on children and pregnant women. The repercussions include not only the direct impact of COVID-19 (ie, children getting infected by COVID-19) but also indirect impacts (eg, safeguarding from child maltreatment, obesogenic behaviors, language and socioemotional development, educational consequences [eg, interrupted learning]; social isolation; mental health; behavioral health [eg, increased substance use in adolescence]; health and economic impact of COVID-19 on caregivers and family relationships. It has also shed light on long-standing structural and socioeconomic issues, including equity in nutrition and food security, housing, childcare, and internet access.

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Objective: To determine whether proportion of breast versus formula feeding and timing of complementary food introduction affect the odds of rapid gain in weight status in a diverse sample of infants.

Methods: Using data from Greenlight Intervention Study, we analyzed the effects of type of milk feeding (breastfeeding, formula, or mixed feeding) from the 2- to 6-month well visits, and the introduction of complementary foods before 4 months on rapid increase in weight-for-age z-score (WAZ) and weight-for-length z-score (WLZ) before 12 months using multivariable logistic regression models.

Results: Of the 865 infants enrolled, 469 had complete data on all variables of interest, and 41% and 33% of those infants had rapid increases in WAZ and WLZ, respectively.

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Physical comorbidities associated with mental health conditions contribute to high health care costs. This study examined the impact of having a usual source of care (USC) for physical health on health care utilization, spending, and quality for adults with a mental health condition using Medicaid administrative data. Having a USC decreased the probability of inpatient admissions and readmissions.

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Objective: To determine the influence of a usual source of care (USC) on health care utilization, expenditures, and quality for Medicaid-insured children and adolescents with a serious emotional disturbance (SED).

Methods: Administrative claims data for 2011-2012 were extracted from the Truven Health MarketScan Multi-State Medicaid Research Database for 286,585 children and adolescents with a primary diagnosis of SED. We used propensity score-adjusted multivariate regressions to determine whether having a USC had a significant effect on utilization and expenditures for high-cost services that are considered potentially avoidable with appropriate outpatient care: physical and behavioral health inpatient admissions, emergency department (ED) visits, and hospital readmissions.

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Objective: To examine the role of patient, hospital, and community characteristics on racial and ethnic disparities in in-hospital postsurgical complications.

Data Sources: Healthcare Cost and Utilization Project, 2011 State Inpatient Databases; American Hospital Association Annual Survey of Hospitals; Area Health Resources Files; Centers for Medicare & Medicaid Services Hospital Compare database.

Methods: Nonlinear hierarchical modeling was conducted to examine the odds of patients experiencing any in-hospital postsurgical complication, as defined by Agency for Healthcare Research and Quality Patient Safety Indicators.

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The purpose of this study was to determine the relationships among preconception stressful life events (PSLEs), women's alcohol and tobacco use before and during pregnancy, and infant birthweight. Data were from the Early Childhood Longitudinal Study-Birth Cohort (n = 9,350). Data were collected in 2001.

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Background: The life course perspective suggests a pathway may exist among maternal exposure to stressful life events prior to conception (PSLEs), infant birth weight and subsequent offspring health, whereby PSLEs are part of a 'chains-of-risk' that set children on a certain health pathway. No prior study has examined the link between PSLEs and offspring health in a nationally representative sample of US mothers and their children. We used longitudinal, nationally representative data to evaluate the relation between maternal exposure to PSLEs and subsequent measures of infant and toddler health, taking both maternal and obstetric characteristics into account.

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Objective: To determine the impact of children's cognitive delay and behavior on maternal depressive symptoms using a large national cohort of US families.

Study Design: Data were drawn from 2 waves of the nationally representative Early Childhood Longitudinal Study, Birth Cohort (n = 7550). Cognitive delay was defined at age 24 months by the lowest 10th percentile of the Bayley Short Form-Research Edition.

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Objectives: We sought to determine whether the effects of preconception stressful life events (PSLEs) on birth weight differed by neighborhood disadvantage.

Methods: We drew our data from the Early Childhood Longitudinal Study, Birth Cohort (2001-2002; n = 9300). We created a neighborhood disadvantage index (NDI) using county-level data from the 2000 US Census.

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The purpose of the study was to understand the association between stressful life events prior to conception (PSLEs) and women's alcohol and tobacco use prior to and during pregnancy, and the continuation of such use through pregnancy. Data were from the Early Childhood Longitudinal Study-Birth Cohort (n = 9,350). Data were collected in 2001.

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Objective: To determine the effect of exposure to multiple social risks on cognitive delay at 9 months of age; and whether obstetric factors mediate the relationship between cumulative social risk and cognitive delay.

Methods: Data were from 8950 mother-child dyads participating in the first wave of the Early Childhood Longitudinal Study, Birth Cohort. Cognitive delay was defined as falling in the lowest 10% of mental scale scores from the Bayley Short Form-Research Edition.

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Purpose: In order to better understand how family caregiving may contribute to poor health outcomes, this study sought to determine (1) if and to what extent caregiving characteristics were associated with caregiver strain and health-related quality of life (HRQoL), and (2) whether caregiver strain mediated this association.

Methods: Data were from the 2008-2010 Survey of the Health of Wisconsin, a representative sample of Wisconsin adults aged 21-74 years. Participants completed questionnaires about their caregiving, sociodemographics, and HRQoL; 264 caregivers were identified.

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Objective: To develop and validate a theoretically based and empirically driven objective measure of financial burden for U.S. families with children.

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Objectives: We investigated relationships among cognitive delay, community factors, and behavior problems over 2 years in early childhood with a national sample of US families.

Methods: Data were from 3 waves of the Early Childhood Longitudinal Study, Birth Cohort (2001-2005; n = 7650). We defined cognitive delay as the lowest 10% of mental scores from the Bayley Short Form-Research Edition, administered at 9 and 24 months.

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Objective: To investigate the relationship between cognitive delay (CD) and behavior problems between ages 9 months and 5 years, while adjusting for covariates related to CD.

Methods: Data were from 4 waves of the Early Childhood Longitudinal Study, Birth Cohort (n = 8000). Children were classified as typically developing (TD) or as having resolved, newly developed, or persistent CD between 9 and 24 months, based on scores from the Bayley Short Form-Research Edition below or above the 10th percentile.

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The pathophysiological consequences of caregiving have not been fully elucidated. We evaluated how caregiving, stress, and caregiver strain were associated with shorter relative telomere length (RTL), a marker of cellular aging. Caregivers (n = 240) and some noncaregivers (n = 98) in the 2008-2010 Survey of the Health of Wisconsin, comprising a representative sample of Wisconsin adults aged 21-74 years, reported their sociodemographic, health, and psychological characteristics.

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This study takes a lifecourse approach to understanding the factors contributing to delivery methods in the US by identifying preconception and pregnancy-related determinants of medically indicated and non-medically indicated cesarean section (C-section) deliveries. Data are from the Early Childhood Longitudinal Study-Birth Cohort, a nationally representative, population-based survey of women delivering a live baby in 2001 (n = 9,350). Three delivery methods were examined: (1) vaginal delivery (reference); (2) medically indicated C-section; and (3) non-medically indicated C-sections.

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Background: Improved parental awareness of human papillomavirus (HPV) vaccines could increase uptake of vaccines early in the life course, thereby reducing adolescents' later risk for HPV infection and cancer. As such, we sought to determine factors related to parental awareness of HPV vaccines, using a nationally representative population-based sample.

Methods: We examined data on 5735 parents of preadolescents and adolescents aged 8 to 17 years from the 2010 National Health Interview Survey.

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Objectives: We determined whether and to what extent a woman's exposure to stressful life events prior to conception (PSLEs) was associated with preterm birth and whether maternal age modified this relationship.

Methods: We examined 9350 mothers and infants participating in the first wave of the Early Childhood Longitudinal Study, Birth Cohort, a nationally representative sample of US women and children born in 2001, to investigate the impact of PSLEs on preterm birth in the United States. We estimated the effect of exposure on preterm birth with weighted logistic regression, adjusting for maternal sociodemographic and health factors and stress during pregnancy.

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Objectives: We sought to determine if and to what extent a woman's exposure to stressful life events prior to conception (PSLEs) were associated with subsequent infant birth weight by using a nationally representative sample of US women.

Methods: We examined 9350 mothers and infants participating in the first wave of the Early Childhood Longitudinal Study, Birth Cohort in 2001. Weighted regressions estimated the effect of exposure on very low and low birth weight, adjusting for maternal sociodemographic and health factors and stress during pregnancy.

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Purpose: Informal caregivers play a critical role in the care of individuals who are aging or have disabilities and are at increased risk for poor health outcomes. This study sought to determine whether and to what extent: (1) global stress and health-related quality of life (HRQoL) differed between caregivers and non-caregivers; (2) global stress mediated the relationship between caregiving status and HRQoL; and (3) caregiver strain (i.e.

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