Quynh C Nguyen
Biographic Data
| ID | 197787 |
|---|---|
| NAME | Quynh C Nguyen |
| GIVEN NAMES | Quynh C |
| FAMILY NAME | Nguyen |
| SIGNATURE | NGUYEN Q C |
| AFFILIATIONS | University of Maryland, College Park |
| ORCID | 0000-0003-4745-6681 |
| VERIFIED | Yes |
| TOTAL WORKS | 45 |
| TOTAL CITATIONS | 159 |
| AUTHOR COUNT | 45 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 2009 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 6 |
Using an AI-powered Mobile Application Chatbot to Address Maternal Depression Indicators and Inquiries in the Perinatal and Postpartum Periods
Using AI-powered mobile applications for mental health screening can help reduce maternal mental health disparities among Black mothers who are pregnant or parenting in the United States. A maternal health education question and answer mobile application chatbot has the potential to intervene in the maternal depression cascade, specifically screening. Extant research demonstrates the usability of mobile applications addressing mental health. Howe…
The role of sidewalk availability in gentrification
Our results demonstrate a consistent relationship between sidewalk availability and gentrification, although different associations with BIPOC population change by context, contributing to the ongoing discourse on gentrification, urban development, and neighborhood change
Intersecting Paths to Health
Public health is the basis of society's well-being and the nation's development. Despite the importance of this factor and huge investments in the health sector in the United States, public health is facing enormous challenges due to the unknown nature of the influential variables in this sector. This research aims to investigate the influential variables on public health from different sources including the demographic features, built environmen…
Invited commentary on ‘Population health, health equity and health system impacts of light vehicle electrification
A Decade of Discourse
Migration discourse is shaped by political events, emotional framing, and platform-specific dynamics, underscoring the need for cross-platform analyses to understand evolving digital narratives
Neighborhood built environment, obesity, and diabetes
We observe associations between neighborhood characteristics and chronic diseases, accounting for biological, social, and cultural factors shared among siblings in this large population-based study
Helicopter Parenting Behaviors and Emerging Adult Mental Health
Helicopter parenting during emerging adulthood, a developmental period highlighting autonomy and self-reliance, can undermine college students’ well-being. The current study examined the mediating role of emotion dysregulation in the association between helicopter parenting and mental health outcomes among college-aged adults. A sample of 790 college students completed questionnaires on perceived helicopter parenting, emotion dysregulation, depre…
Regional Differences in American Indian/Alaska Native Chronic Respiratory Disease Disparity
American Indian/Alaska Native (AI/AN) persons in the US experience a disparity in chronic respiratory diseases compared to white persons. Using Behavioral Risk Factor Surveillance System (BRFSS) data, we previously showed that the AI/AN race/ethnicity variable was not associated with asthma and/or chronic obstructive pulmonary disease (COPD) in a BRFSS-defined subset of 11 states historically recognized as having a relatively high proportion of A…
Road Traffic Injuries and the Built Environment in Bogotá, Colombia, 2015–2019
Vigilance and Protection
Changes in the relationship between Index of Concentration at the Extremes and U.S. urban greenspace
Urban greenspace is associated with a wide variety of human health benefits, from improved mental health to reduced violent crime and infant birth outcomes. This study investigates long-term trends in the distribution of greenspace across census tracts in the 260 U.S. cities with populations greater than 100,000 residents based on economic privilege and deprivation. Satellite-acquired Normalized Difference Vegetation Index (NDVI) images were used…
Solidarity and strife after the Atlanta spa shootings
Background On March 16, 2021, a white man shot and killed eight victims, six of whom were Asian women at Atlanta-area spa and massage parlors. The aims of the study were to: (1) qualitatively summarize themes of tweets related to race, ethnicity, and racism immediately following the Atlanta spa shootings, and (2) examine temporal trends in expressions hate speech and solidarity before and after the Atlanta spa shootings using a new methodology fo…
Racism During Pregnancy and Birthing
Examining Exposure to Messaging, Content, and Hate Speech from Partisan News Social Media Posts on Racial and Ethnic Health Disparities
We investigated the content of liberal and conservative news media Facebook posts on race and ethnic health disparities. A total of 3,327,360 liberal and conservative news Facebook posts from the United States (US) from January 2015 to May 2022 were collected from the Crowd Tangle platform and filtered for race and health-related keywords. Qualitative content analysis was conducted on a random sample of 1750 liberal and 1750 conservative posts. P…
Using Convolutional Neural Networks to Derive Neighborhood Built Environments from Google Street View Images and Examine Their Associations with Health Outcomes
Built environment neighborhood characteristics are difficult to measure and assess on a large scale. Consequently, there is a lack of sufficient data that can help us investigate neighborhood characteristics as structural determinants of health on a national level. The objective of this study is to utilize publicly available Google Street View images as a data source for characterizing built environments and to examine the influence of built envi…
A Multistate Study on Housing Factors Influential to Heat-Related Illness in the United States
As climate change increases the frequency and intensity of devastating and unpredictable extreme heat events, developments to the built environment should consider instigating practices that minimize the likelihood of indoor overheating during hot weather. Heatwaves are the leading cause of death among weather-related causes worldwide, including in developed and developing countries. In this empirical study, a four-step approach was used to colle…
Leveraging 13 million responses to the U.S. Covid-19 Trends and Impact Survey to examine vaccine hesitancy, vaccination, and mask wearing, January 2021-February 2022
Associations found in earlier phases of the pandemic were generally found to also be present later in the pandemic, indicating stability in inequities. Additionally, inequities in these important outcomes suggests more work is needed to bridge gaps to ensure that the burden of COVID-19 risk does not disproportionately fall upon subgroups of the population
Google Street View-Derived Neighborhood Characteristics in California Associated with Coronary Heart Disease, Hypertension, Diabetes
Characteristics of the neighborhood built environment influence health and health behavior. Google Street View (GSV) images may facilitate measures of the neighborhood environment that are meaningful, practical, and adaptable to any geographic boundary. We used GSV images and computer vision to characterize neighborhood environments (green streets, visible utility wires, and dilapidated buildings) and examined cross-sectional associations with ch…
Chronic respiratory disease disparity between American Indian/Alaska Native and white populations, 2011–2018
This study highlighted that AI/AN socioeconomic burdens are key determinants of chronic respiratory disease, in addition to well-established risk factors such as smoking and weight morbidity. Disease disparity experienced by the AI/AN population is therefore likely a symptom of disproportionate socioeconomic challenges they face. Further promotion of public health and social service efforts may be able to improve AI/AN health and decrease this di…
Stigma in a Collectivistic Culture
Progress and push-back
Evaluating associations between area-level Twitter-expressed negative racial sentiment, hate crimes, and residents' racial prejudice in the United States
Leveraging timely data sources for measuring area-level racial sentiment can provide new opportunities for investigating the impact of racial bias on society and health
How much would family and medical leave cost workers in the US? Racial/ethnic variation in economic hardship under unpaid and paid policies
Using a capability approach, this study assesses economic constraints under the current US national unpaid family and medical leave (FML) policy compared to a hypothetical national paid FML policy for all full-year workers. Existing literature documents gender and class differences in barriers to FML use, but there is limited research on racial/ethnic minority workers. Our results indicate that if FML policy changed from unpaid to paid leave, bla…
A Study on the GIS Professional (Gisp) Certification Program in the U.S
This study examines the characteristics of the members in the most popular Geographic Information Systems (GIS) Professional (GISP) certification program in the United States as well as the spatial patterns of the certified GISPs. The results show that the majority of GISPs (97.3%) are located in urban areas. About 75% of the GISPs are male. Among all the GISPs, 3971 GISPs (43.3%) play a managerial role, while 4983 individuals (54.5%) assume a no…
Using 164 Million Google Street View Images to Derive Built Environment Predictors of Covid-19 Cases
The spread of COVID-19 is not evenly distributed. Neighborhood environments may structure risks and resources that produce COVID-19 disparities. Neighborhood built environments that allow greater flow of people into an area or impede social distancing practices may increase residents' risk for contracting the virus. We leveraged Google Street View (GSV) images and computer vision to detect built environment features (presence of a crosswalk, non-…
Exploring U.S. Shifts in Anti-Asian Sentiment with the Emergence of Covid-19
Background: Anecdotal reports suggest a rise in anti-Asian racial attitudes and discrimination in response to COVID-19. Racism can have significant social, economic, and health impacts, but there has been little systematic investigation of increases in anti-Asian prejudice. Methods: We utilized Twitter's Streaming Application Programming Interface (API) to collect 3,377,295 U.S. race-related tweets from November 2019-June 2020. Sentiment analysis…
The role of health insurance in explaining immigrant versus non-immigrant disparities in access to health care
Progress and push-back
Adolescent expectations of early death predict young adult socioeconomic status
Twitter-derived measures of sentiment towards minorities (2015–2016) and associations with low birth weight and preterm birth in the United States
More negative area-level sentiment towards blacks and Middle Eastern groups was related to worse individual birth outcomes, and this is true for the full population and minorities
Evaluating associations between area-level Twitter-expressed negative racial sentiment, hate crimes, and residents' racial prejudice in the United States
Leveraging timely data sources for measuring area-level racial sentiment can provide new opportunities for investigating the impact of racial bias on society and health
Heterogeneous Effects of Housing Vouchers on the Mental Health of US Adolescents
Objectives. To assess the mental health effects on adolescents of low-income families residing in high-poverty public housing who received housing vouchers to assist relocation. Methods. We defined treatment effects to compare 2829 adolescents aged 12 to 19 years in families offered housing vouchers versus those living in public housing in the Moving to Opportunity experiment (1994–1997; Boston, MA; Baltimore, MD; Chicago, IL; Los Angeles, CA; Ne…
A cross-national comparative perspective on racial inequities in health
BACKGROUND: Cross-national comparisons allow the examination of the malleability of associations between race and health. Racial inequities in chronic conditions, indicators of health status and behavioural risk factors between two similar advanced capitalist countries were compared. It was hypothesised that racial inequities will be mitigated in Canada compared with the USA. METHODS: Population-based, cross-sectional data from the 2002-3 Joint C…
Do changes in neighborhood social context mediate the effects of the moving to opportunity experiment on adolescent mental health
Does Neighborhood Collective Efficacy for Families Change Over Time? The Boston Neighborhood Survey
There is an increased interest in how neighborhood social processes, such as collective efficacy, may protect mental health. Yet little is known about how stable these neighborhood processes are over time, or how to change them to influence other downstream factors. We used a population‐based, repeat cross‐sectional study of adults (n = 5135) to assess stability of collective efficacy for families in 38 Boston neighborhoods across 4 years (2006, …
Neighbourhood looking glass
BACKGROUND: Neighbourhood quality has been connected with an array of health issues, but neighbourhood research has been limited by the lack of methods to characterise large geographical areas. This study uses innovative computer vision methods and a new big data source of street view images to automatically characterise neighbourhood built environments. METHODS: A total of 430 000 images were obtained using Google's Street View Image API for Sal…
Geotagged US Tweets as Predictors of County-Level Health Outcomes, 2015–2016
Objectives. To leverage geotagged Twitter data to create national indicators of the social environment, with small-area indicators of prevalent sentiment and social modeling of health behaviors, and to test associations with county-level health outcomes, while controlling for demographic characteristics. Methods. We used Twitter’s streaming application programming interface to continuously collect a random 1% subset of publicly available geo-loca…
How much would family and medical leave cost workers in the US? Racial/ethnic variation in economic hardship under unpaid and paid policies
Using a capability approach, this study assesses economic constraints under the current US national unpaid family and medical leave (FML) policy compared to a hypothetical national paid FML policy for all full-year workers. Existing literature documents gender and class differences in barriers to FML use, but there is limited research on racial/ethnic minority workers. Our results indicate that if FML policy changed from unpaid to paid leave, bla…
Examining mediators of housing mobility on adolescent asthma
The reliability of in-home measures of height and weight in large cohort studies
BACKGROUND: With the emergence of obesity as a global health issue an increasing number of major demographic surveys are collecting measured anthropometric data. Yet little is known about the characteristics and reliability of these data. OBJECTIVES: We evaluate the accuracy and reliability of anthropometric data collected in the home during Wave IV of the National Longitudinal Study of Adolescent to Adult Health (Add Health), compare our estimat…
Twitter-Characterized Sentiment Towards Racial/Ethnic Minorities and Cardiovascular Disease (CVD) Outcomes
Impact of caring for children with medical complexity on parents' employment and time
Objectives: This study examined parental care of children with medical complexity (CMC) in terms of time spent providing care and impacts on employment and career.Methods: We recruited caregivers of 153 CMC in a tertiary center complex care program to participate in a cross-sectional mail survey.Results: Among 95 respondents (62% of eligible), 75% of primary caregivers and 53% of spouses experienced employment losses and one-third experienced neg…
Were the mental health benefits of a housing mobility intervention larger for adolescents in higher socioeconomic status families
The role of health insurance in explaining immigrant versus non-immigrant disparities in access to health care
A cross-national comparative perspective on racial inequities in health
BACKGROUND: Cross-national comparisons allow the examination of the malleability of associations between race and health. Racial inequities in chronic conditions, indicators of health status and behavioural risk factors between two similar advanced capitalist countries were compared. It was hypothesised that racial inequities will be mitigated in Canada compared with the USA. METHODS: Population-based, cross-sectional data from the 2002-3 Joint C…
Adolescent expectations of early death predict young adult socioeconomic status
Were the mental health benefits of a housing mobility intervention larger for adolescents in higher socioeconomic status families
Does Neighborhood Collective Efficacy for Families Change Over Time? The Boston Neighborhood Survey
There is an increased interest in how neighborhood social processes, such as collective efficacy, may protect mental health. Yet little is known about how stable these neighborhood processes are over time, or how to change them to influence other downstream factors. We used a population‐based, repeat cross‐sectional study of adults (n = 5135) to assess stability of collective efficacy for families in 38 Boston neighborhoods across 4 years (2006, …
Examining mediators of housing mobility on adolescent asthma
Cross-national comparison of socioeconomic inequalities in obesity in the United States and Canada
Our results suggest there is variation between U.S. and Canada in different dimensions of socioeconomic inequalities in obesity. Future research should examine a broader set of nations and test whether specific policies or environmental exposures can explain these differences
The reliability of in-home measures of height and weight in large cohort studies
BACKGROUND: With the emergence of obesity as a global health issue an increasing number of major demographic surveys are collecting measured anthropometric data. Yet little is known about the characteristics and reliability of these data. OBJECTIVES: We evaluate the accuracy and reliability of anthropometric data collected in the home during Wave IV of the National Longitudinal Study of Adolescent to Adult Health (Add Health), compare our estimat…
Heterogeneous Effects of Housing Vouchers on the Mental Health of US Adolescents
Objectives. To assess the mental health effects on adolescents of low-income families residing in high-poverty public housing who received housing vouchers to assist relocation. Methods. We defined treatment effects to compare 2829 adolescents aged 12 to 19 years in families offered housing vouchers versus those living in public housing in the Moving to Opportunity experiment (1994–1997; Boston, MA; Baltimore, MD; Chicago, IL; Los Angeles, CA; Ne…
Geotagged US Tweets as Predictors of County-Level Health Outcomes, 2015–2016
Objectives. To leverage geotagged Twitter data to create national indicators of the social environment, with small-area indicators of prevalent sentiment and social modeling of health behaviors, and to test associations with county-level health outcomes, while controlling for demographic characteristics. Methods. We used Twitter’s streaming application programming interface to continuously collect a random 1% subset of publicly available geo-loca…
Impact of caring for children with medical complexity on parents' employment and time
Objectives: This study examined parental care of children with medical complexity (CMC) in terms of time spent providing care and impacts on employment and career.Methods: We recruited caregivers of 153 CMC in a tertiary center complex care program to participate in a cross-sectional mail survey.Results: Among 95 respondents (62% of eligible), 75% of primary caregivers and 53% of spouses experienced employment losses and one-third experienced neg…
Neighbourhood looking glass
BACKGROUND: Neighbourhood quality has been connected with an array of health issues, but neighbourhood research has been limited by the lack of methods to characterise large geographical areas. This study uses innovative computer vision methods and a new big data source of street view images to automatically characterise neighbourhood built environments. METHODS: A total of 430 000 images were obtained using Google's Street View Image API for Sal…
Twitter-derived measures of sentiment towards minorities (2015–2016) and associations with low birth weight and preterm birth in the United States
More negative area-level sentiment towards blacks and Middle Eastern groups was related to worse individual birth outcomes, and this is true for the full population and minorities
Pride, Love, and Twitter Rants
Objective : Describe variation in sentiment of tweets using race-related terms and identify themes characterizing the social climate related to race. Methods : We applied a Stochastic Gradient Descent Classifier to conduct sentiment analysis of 1,249,653 US tweets using race-related terms from 2015-2016. To evaluate accuracy, manual labels were compared against computer labels for a random subset of 6600 tweets. We conducted qualitative content a…
Census Tract Food Tweets and Chronic Disease Outcomes in the U.S., 2015–2018
There is a growing recognition of social media data as being useful for understanding local area patterns. In this study, we sought to utilize geotagged tweets-specifically, the frequency and type of food mentions-to understand the neighborhood food environment and the social modeling of food behavior. Additionally, we examined associations between aggregated food-related tweet characteristics and prevalent chronic health outcomes at the census t…
A Study on the GIS Professional (Gisp) Certification Program in the U.S
This study examines the characteristics of the members in the most popular Geographic Information Systems (GIS) Professional (GISP) certification program in the United States as well as the spatial patterns of the certified GISPs. The results show that the majority of GISPs (97.3%) are located in urban areas. About 75% of the GISPs are male. Among all the GISPs, 3971 GISPs (43.3%) play a managerial role, while 4983 individuals (54.5%) assume a no…
Using 164 Million Google Street View Images to Derive Built Environment Predictors of Covid-19 Cases
The spread of COVID-19 is not evenly distributed. Neighborhood environments may structure risks and resources that produce COVID-19 disparities. Neighborhood built environments that allow greater flow of people into an area or impede social distancing practices may increase residents' risk for contracting the virus. We leveraged Google Street View (GSV) images and computer vision to detect built environment features (presence of a crosswalk, non-…
Google Street View Derived Built Environment Indicators and Associations with State-Level Obesity, Physical Activity, and Chronic Disease Mortality in the United States
Previous studies have demonstrated that there is a high possibility that the presence of certain built environment characteristics can influence health outcomes, especially those related to obesity and physical activity. We examined the associations between select neighborhood built environment indicators (crosswalks, non-single family home buildings, single-lane roads, and visible wires), and health outcomes, including obesity, diabetes, cardiov…
Health and the built environment in United States cities
Structural determinants of health such as the built environment can influence population health. Our study suggests that higher levels of urban development have mixed effects on health and adds further evidence that socioeconomic distress has adverse impacts on multiple physical and mental health outcomes
Do changes in neighborhood social context mediate the effects of the moving to opportunity experiment on adolescent mental health
Exploring U.S. Shifts in Anti-Asian Sentiment with the Emergence of Covid-19
Background: Anecdotal reports suggest a rise in anti-Asian racial attitudes and discrimination in response to COVID-19. Racism can have significant social, economic, and health impacts, but there has been little systematic investigation of increases in anti-Asian prejudice. Methods: We utilized Twitter's Streaming Application Programming Interface (API) to collect 3,377,295 U.S. race-related tweets from November 2019-June 2020. Sentiment analysis…
Twitter-Characterized Sentiment Towards Racial/Ethnic Minorities and Cardiovascular Disease (CVD) Outcomes
Google Street View-Derived Neighborhood Characteristics in California Associated with Coronary Heart Disease, Hypertension, Diabetes
Characteristics of the neighborhood built environment influence health and health behavior. Google Street View (GSV) images may facilitate measures of the neighborhood environment that are meaningful, practical, and adaptable to any geographic boundary. We used GSV images and computer vision to characterize neighborhood environments (green streets, visible utility wires, and dilapidated buildings) and examined cross-sectional associations with ch…
Chronic respiratory disease disparity between American Indian/Alaska Native and white populations, 2011–2018
This study highlighted that AI/AN socioeconomic burdens are key determinants of chronic respiratory disease, in addition to well-established risk factors such as smoking and weight morbidity. Disease disparity experienced by the AI/AN population is therefore likely a symptom of disproportionate socioeconomic challenges they face. Further promotion of public health and social service efforts may be able to improve AI/AN health and decrease this di…
Stigma in a Collectivistic Culture
Medicine (30 works) · Sociology (19 works) · Environmental health (18 works) · Psychology (18 works) · Demography (16 works) · Public health (16 works) · Political science (15 works) · Population (15 works) · Demography (14 works) · Health disparities and outcomes (14 works)