Russell S Kirby

Russell S Kirby
University of South Florida | USF · Department of Community and Family Health

48.03
 · 
PhD, MS, FACE
About
533
Research items
31,569
Reads
13,691
Citations
Introduction
I work in several areas within the broad fields of maternal and child health and population health informatics. My work focuses on birth defects and developmental disabilities surveillance, epidemiology and prevention, as well as the development and application of new tools and approaches to utlizing GIS in public health and spatial statistical techniques. If you have a project in one of these areas, please contact me and we can see how we might collaborate.
Research Experience
Jul 2008
University of South Florida
Position
  • Distinguished University Professor and Marrell Endowed Chair
Jan 2002 - Dec 2008
University of Alabama at Birmingham
Position
Jan 1999 - Dec 2002
University of Wisconsin - Milwaukee
Position
Network
Cited By
Followers
Following
Research
Research items (533)
Article
Full-text available
Background U.S. mortality rate of term infants is higher than most other developed countries. Term infant mortality is associated with exogenous socio-environmental factors. Previous research links low socioeconomic status and rurality with high infant mortality, but does not examine the effect of individual level factors on this association. Separ...
Article
Full-text available
Objective To compare prevalence estimates obtained by the ADDM cerebral palsy surveillance method to other administrative or diagnostic indications of cerebral palsy.IntroductionCerebral Palsy (CP) is the most common cause of motor disability in children. CP registries often rely on administrative data such as CP diagnoses or International Classifi...
Article
Objective To investigate the relationship between maternal autonomy and various indices of child undernutrition among children aged <2 years in Nigeria, considering the cultural context and sociodemographic factors. Design Population-based, cross-sectional study. Associations between various indices of maternal autonomy and child undernutrition (s...
Article
Public health and governmental organizations have acknowledged the importance of obtaining information of various characteristics for small areas, such as counties. Spatial smoothing models have been developed to gain reliable information on the geographical distribution of the outcome of interest. When the geographical analysis is based on survey...
Article
Objectives We investigated differences in prevalence of major birth defects by maternal nativity within racial/ethnic groups for 27 major birth defects. Methods Data from 11 population‐based birth defects surveillance systems in the United States including almost 13 million live births (approximately a third of U.S. births) during 1999–2007 were p...
Article
Objective: To examine the experiences of parents or caregivers of children with Down syndrome related to prenatal care, the birth setting, primary and specialty care, and care coordination. Design: Cross-sectional, mixed-methods study. Setting: Florida. Participants: English- or Spanish-speaking parents/primary caregivers (N = 101) of children who...
Article
Background Antecedents for infantile hypertrophic pyloric stenosis (IHPS) vary across studies; therefore, we conducted a multistate, population‐based retrospective study of the prevalence and descriptive epidemiology of IHPS in the United States (US). Methods Data for IHPS cases (n = 29,554) delivered from 1999–2010 and enumerated from 11 US popul...
Poster
Full-text available
Objectives: Children diagnosed with Autism Spectrum Disorder (ASD) typically require more services and/or treatments to address both behavioral and developmental challenges. As ASD diagnosis and obesity rates continue to increase for this population, so will the health-related economic burdens for these families. The purpose of this qualitative stu...
Poster
Full-text available
Objectives: There is a lack of research on diet quality in children with ASD, as the literature tends to focus on the amount of nutrients consumed. This preliminary study aims to explore mealtime behavior and other factors associated with diet quality in children with ASD. Methods: A cross-sectional analysis of dietary intake and mealtime behaviors...
Article
Background Higher prevalence of selected birth defects has been reported among American Indian/Alaska Native (AI/AN) newborns. We examine whether known risk factors for birth defects explain the higher prevalence observed for selected birth defects among this population. Methods Data from 12 population‐based birth defects surveillance systems, cov...
Article
Background/Objectives In this data brief, we examine major eye and ear anomalies (anophthalmia/microphthalmia, anotia/microtia, and congenital cataract) for a recent 5‐year birth cohort using data from 30 population‐based birth defects surveillance programs in the United States. Methods As a special call for data for the 2018 NBDPN Annual Report,...
Article
Full-text available
Background The World Health Organization (WHO) recommends that women wait at least 24 months after a livebirth before attempting a subsequent pregnancy to reduce the risk of adverse maternal, perinatal, and infant health outcomes. However, the applicability of the WHO recommendations for women in the United States is unclear, as breast feeding, nut...
Article
Full-text available
Background Meta‐analyses of observational studies have shown that women with a shorter interpregnancy interval (the time from delivery to start of a subsequent pregnancy) are more likely to experience adverse pregnancy outcomes, such as preterm delivery or small for gestational age birth, than women who space their births further apart. However, th...
Article
Background The 2016 Zika public health response in the United States highlighted the need for birth defect surveillance (BDS) programs to collect population‐based data on birth defects potentially related to Zika as rapidly as possible through enhanced case ascertainment and reporting. The National Birth Defects Prevention Network (NBDPN) assessed...
Article
Objective: We assessed survival, hospital length of stay (LOS), and costs of medical care for infants with lethal congenital malformations, and also examined the relationship between medical and surgical therapies and survival. Study design: Retrospective cohort study including infants born 1998-2009 with lethal congenital malformations, identif...
Article
Objective: Public health surveillance programs worldwide implement a variety of case-finding strategies, and many rely at least in part on International Classification of Diseases (ICD)-based diagnostic codes in administrative and clinical databases. Over time, state- and national-level hospital discharge databases have been expanding the number o...
Article
Objective To identify the live‐birth prevalence, trends, correlates, and neonatal and 1‐year survival rates of congenital diaphragmatic hernia. Methods Using a population‐based, retrospective cohort study design, we examined 1,025 cases of congenital diaphragmatic hernia from the 1998–2012 Florida Birth Defects Registry. We used Poisson and joinpo...
Article
Objective: Mothers of advanced maternal age (AMA) at childbirth (age ≥35 years) may have different perceptions of autism spectrum disorder (ASD) risk, independent of sociodemographic factors, that may affect ASD identification. We aimed to estimate associations between AMA and both age of a child's first evaluation noting developmental concerns an...
Article
Objective: To compare associations between interpregnancy intervals (IPIs) and adverse perinatal outcomes in deliveries following IVF with deliveries following spontaneous conception or other (non-IVF) fertility treatments. Design: Cohort using linked birth certificate and assisted reproductive technology surveillance data from Massachusetts and...
Article
Full-text available
Objectives: We identified algorithms to improve the accuracy of passive surveillance programs for birth defects that rely on administrative diagnosis codes for case ascertainment and in situations where case confirmation via medical record review is not possible or is resource prohibitive. Methods: We linked data from the 2009-2011 Florida Birth...
Article
Full-text available
Objective: Although data on publicly available special education are informative and offer a glimpse of trends in autism spectrum disorder (ASD) and use of educational services, using these data for population-based public health monitoring has drawbacks. Our objective was to evaluate trends in special education eligibility among 8-year-old childr...
Article
Background: Previous studies demonstrate that infant and childhood mortality differ among children with birth defects by maternal race/ethnicity, but limited mortality information is published for Hispanic ethnic subgroups. Methods: We performed a retrospective cohort study using data for children with birth defects born to Hispanic mothers duri...
Article
Introduction: In Florida prior to 2004, the birth certificate only allowed parents to identify themselves as 1 race. The birth certificate was subsequently revised in 2004, allowing parents to identify with more than 1 race. This inconsistency in data collection methods can greatly impact the results of race-specific time trend analyses. Race-brid...
Article
Full-text available
Objective To assess birth outcomes in primiparous women with diagnosis of non-asthmatic atopy (NAA). Researchers hypothesised that women with NAA would have reduced the risk of adverse birth outcomes compared with women without NAA. NAA is defined as having allergic rhinitis and/or atopic dermatitis. Setting Women were mostly treated in primary ca...
Article
Background: Gastrointestinal defects are a phenotypically and etiologically diverse group of malformations. Despite their combined prevalence and clinical impact, little is known about the epidemiology of these birth defects. Therefore, the objective of the 2017 National Birth Defects Prevention Network (NBDPN) data brief was to better describe th...
Article
Maternal stress, anxiety, and depression are associated with ineffective parenting strategies for families of children with Autism Spectrum Disorders (ASD). We present the use of Parent-Child Interaction Therapy (PCIT) with three mother-child dyads to reduce maternal stress, anxiety, and depression and child disruptive behavior in children with ASD...
Article
It is our primary focus to study the spatial distribution of disease incidence at different geographical levels. Often, spatial data are available in the form of aggregation at multiple scale levels such as census tract, county, and state. When data are aggregated from a fine (e.g., county) to a coarse (e.g., state) geographical level, there will b...
Article
Although collectively they are fairly common, birth defects receive limited attention as a group of outcomes either clinically or from a public health perspective. This article provides an overview of the prevalence, trends and selected socio-demographic risk factors for several major birth defects, including neural tube defects, cranio-facial anom...
Article
Background: We evaluated selected birth defects over a 9-year period to assess prevalence trends by selected maternal and infant factors. Methods: Data were pooled from 11 population-based birth defects surveillance programs in the United States for children born between 1999 and 2007. Overall prevalence, as well as 3-year interval prevalence, w...
Article
Objective Small-for-gestational age infants are at an increased risk for disabilities and chronic health problems. Smoking and hypertension during pregnancy pose significant risks for fetal growth restriction. The study aims to identify whether (1) the timing of tobacco use modifies the risk of small-for-gestational age, (2) there are differences i...
Article
Full-text available
It is often the case that researchers wish to simultaneously explore the behavior of, and estimate the overall risk for, multiple related diseases with varying rarity while accounting for potential spatial and/or temporal correlation. In this paper, we propose a flexible class of multivariate spatiotemporal mixture models to fill this role. Further...
Article
Spatial smoothing models play an important role in the field of small area estimation. In the context of complex survey designs, the use of design weights is indispensable in the estimation process. Recently, efforts have been made in these spatial smoothing models, in order to obtain reliable estimates of the spatial trend. However, the concept of...
Article
In spatial epidemiology, data are often arrayed hierarchically. The classification of individuals into smaller units, which in turn are grouped into larger units, can induce contextual effects. On the other hand, a scaling effect can occur due to the aggregation of data from smaller units into larger units. In this paper, we propose a shared multil...
Article
While the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) provides numerous benefits to many enrolled families across the United States, including access to nutritious foods, some recent drops in maternal participation in Kentucky resulted from failures to retrieve those benefits. We explored perceived benefits of and...
Article
Objective: To investigate the extent to which children with birth defects experience differential likelihood of various injuries and injury-related hospitalizations in early childhood. Study design: The Florida Birth Defects Registry was used to identify infants born 2006-2010 with select birth defects. Injury matrices were used to detect injuri...
Article
Full-text available
Oral cavity and pharynx cancer, even when considered together, is a fairly rare disease. Implementation of multivariate modeling with lung and bronchus cancer, as well as melanoma cancer of the skin, could lead to better inference for oral cavity and pharynx cancer. The multivariate structure of these models is accomplished via the use of shared ra...
Article
Objective: To explore disparities in prematurity and low birth weight (LBW) by maternal race and ethnicity among singletons conceived with and without assisted reproductive technology (ART). Methods: We performed a retrospective cohort study using resident birth certificate data from Florida, Massachusetts, and Michigan linked with data from the...
Article
Conflict of Interest/Disclosure Statement: The authors report no conflicts of interest.
Article
Full-text available
Objective: To examine outcomes of singleton pregnancies conceived without assisted reproductive technology (non-ART) compared with singletons conceived with ART by elective single-embryo transfer (eSET), nonelective single-embryo transfer (non-eSET), and double-embryo transfer with the establishment of 1 (DET -1) or ≥2 (DET ≥2) early fetal heartbe...
Article
Background: While there is some evidence that maternal exposure to ambient air pollution is associated with orofacial clefts in offspring, the epidemiologic studies have been largely equivocal. We evaluated whether maternal exposure to elevated county-level ambient fine particulate matter with aerodynamic diameter ≤2.5µm (PM2.5) and ozone during e...
Article
We identify women most and least likely to discontinue participation in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) program. Kentucky WIC program management information system data from 2012 to 2013 was explored through a retrospective cohort study. Audience segmentation identified unique groups with respect to...
Article
Full-text available
While the impacts of community gardens have been well documented, research has mainly been concentrated in only a few urban areas of the United States. This paper highlights the social impacts of community gardens on west central Florida individuals, families, and communities. We use theories of community engagement to explore relationships between...
Article
Full-text available
The field of spatial epidemiology has evolved rapidly in the past two decades. This paper serves as a brief introduction to spatial epidemiology and the use of geographic information systems (GIS) in applied research in epidemiology. We highlight technical developments, and highlight opportunities to apply spatial analytic methods in epidemiologic...
Article
Full-text available
Purpose: To investigate the distribution of mesothelioma in Flanders using Bayesian disease mapping models that account for both an excess of zeros and overdispersion. Methods: The numbers of newly diagnosed mesothelioma cases within all Flemish municipalities between 1999 and 2008 were obtained from the Belgian Cancer Registry. To deal with ove...
Article
Background: The 2003 revision of the U.S. Birth Certificate was restricted to birth defects readily identifiable at birth. Despite being the lone source of birth defects cases in some studies, we lack population-based information on the quality of birth defects data from the most recent revision of the birth certificate. Methods: We linked birth...
Article
Background: Congenital microcephaly has been linked to maternal Zika virus infection. However, ascertaining infants diagnosed with microcephaly can be challenging. Methods: Thirty birth defects surveillance programs provided data on infants diagnosed with microcephaly born 2009 to 2013. The pooled prevalence of microcephaly per 10,000 live birth...
Article
Background: Once a woman has had a fetus or infant affected with a neural tube defect (NTD), the risk of recurrence is approximately 3%. This risk can be significantly reduced by folic acid supplement consumption during the periconceptional period; however, this requires women at risk to be adequately informed about the appropriate dosage and timi...
Article
Obtaining reliable estimates about health outcomes for areas or domains where only few to no samples are available is the goal of small area estimation (SAE). Often, we rely on health surveys to obtain information about health outcomes. Such surveys are often characterised by a complex design, stratification, and unequal sampling weights as common...
Article
Utilizing surveillance data from five sites participating in the Autism and Developmental Disabilities Monitoring Network, we investigated contributions of surveillance subject and census tract population sociodemographic characteristics on variation in autism spectrum disorder ascertainment and prevalence estimates from 2000 to 2008 using ordinal...
Article
Full-text available
Surveillance is an essential part of the response to Zika and must be improved
Article
Purpose: Many types of cancer have an underlying spatio-temporal distribution. Spatio-temporal mixture modeling can offer a flexible approach to risk estimation via the inclusion of latent variables. Methods: In this paper, we examine the application and benefits of using four different spatio-temporal mixture modeling methods in the modeling of ca...
Article
Full-text available
Spatio-temporal analysis of small area health data often involves choosing a fixed set of predictors prior to the final model fit. In this paper, we propose a spatio-temporal approach of Bayesian model selection to implement model selection for certain areas of the study region as well as certain years in the study time line. Here, we examine the u...
Article
Full-text available
Spatial data are often aggregated from a finer (smaller) to a coarser (larger) geographical level. The process of data aggregation induces a scaling effect which smoothes the variation in the data. To address the scaling problem, multiscale models that link the convolution models at different scale levels via the shared random effect have been prop...
Article
Full-text available
Lead, mercury, and arsenic are neurotoxicants with known effects on neurodevelopment. Autism spectrum disorder (ASD) is a neurodevelopmental disorder apparent by early childhood. Using data on 4486 children with ASD residing in 2489 census tracts in five sites of the Centers for Disease Control and Prevention’s Autism and Developmental Disabilities...
Article
Background: Cardiovascular disease is the leading cause of death among women. Identifying risk factors for future cardiovascular disease may lead to earlier lifestyle modifications and disease prevention. Additionally, interpregnancy development of cardiovascular disease can lead to increased perinatal morbidity in subsequent pregnancies. Identifi...
Article
Purpose Clinical guidelines recommend repair of open spina bifida (SB) prenatally or within the first days of an infant’s life. We examined maternal, infant, and health care system factors associated with time-to-repair among infants with postnatal repair. Methods This retrospective, statewide, population-based study examined infants with SB born i...
Article
Full-text available
This study examined associations between ASD diagnosis retention and non-ASD co-occurring conditions (CoCs) by child sex. The sample included 7077 males and 1487 females who had an ASD diagnosis documented in their school or health records in a population-based ASD surveillance system for 8-year-old children. ASD diagnosis retention status was dete...
Article
We investigate uncertainty in estimates of pregnant women's exposure to ambient PM2.5 and benzene derived from central-site monitoring data. Through a study of live births in Florida during 2000-2009, we discuss the selection of spatial and temporal scales of analysis, limiting distances, and aggregation method. We estimate exposure concentrations...
Article
Background: The public health objective for cerebral palsy (CP) in the United States is to reduce the percentage of children with CP who were born low birthweight (LBW, <2500 g) by 10% between 2006 and 2020. This study reports the prevalence of CP in a constant surveillance area for the years 2006, 2008, and 2010 and describes initial progress tow...