Dustin T. Duncan's research while affiliated with Columbia University and other places

Publications (211)

Article
Sleep disparities in sexual minority male (SMM) populations have received relatively little attention but they may be critical to explaining other health disparities seen among SMM, via neural or hormonal pathways. Recent research suggests that crime may be a psychosocial stressor that contributes to sleep disparities but that finding has been base...
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We evaluated whether different types of substance use predicted HIV seroconversion among a cohort of 449 Black men who have sex with men (MSM) and transgender women (TGW). A community-based sample was recruited in Atlanta, GA between December 2012 and November 2014. Participants completed a survey and were tested for STIs (Chlamydia and gonorrhoeae...
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We examined associations between COVID-19 conspiracy beliefs and HIV status neutral care engagement among Black cisgender sexual minority men (BCSMM) and Black transgender women (BTW). Throughout April–July 2020, a total of 226 (222 in the current analysis: 196 BCSMM, 20 BTW, and 6 other) participants in Chicago’s Neighborhoods and Networks (N2) co...
Article
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PrEP uptake and adherence among young Black sexual minority men (YBSMM), has been sub-optimal. Multiple studies identified sleep as an important determinant of medication adherence, although it has not been examined with regard to PrEP among YBSMM. This study utilized data collected from HIV-negative cisgender YBSMM in the Neighborhoods and Network...
Article
Background: Life instability may be an important factor for HIV-related care outcomes in older adults living with HIV (OALWH). This study examined the degree to which an 11-item life instability index (LII) composed of individual- and community-level indicators was associated with HIV-related care outcomes-viral load, antiretroviral (ART) medicati...
Article
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Purpose To examine associations between COVID-19-related stressors and symptoms of depression and anxiety in Black cisgender sexual minority men (SMM) and transgender women during the initial peak of the COVID-19 pandemic. Methods Participants from the N2 Cohort Study comprised Black cisgender SMM and Black transgender women in Chicago, IL, comple...
Article
Study Objectives Characteristics of neighborhood social environments, such as safety and social cohesion, have been examined as determinants of poor sleep. The current study investigates associations between neighborhood social characteristics and sleep health, as well as the mediating role of psychological distress on these possible associations....
Article
Objective Sleep is an important determinant of various health outcomes, and insufficient sleep and sleep disorders are a public health crisis in the United States. The objective of this review is to provide an update on scientific contributions to our understanding of the social/built environmental determinants of sleep health. In particular, this...
Article
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Introduction MobiliSense explores effects of air pollution and noise related to personal transport habits on respiratory and cardiovascular health. Its objectives are to quantify the contribution of personal transport/mobility to air pollution and noise exposures of individuals; to compare exposures in different transport modes; and to investigate...
Article
Background: Identifying geographic locations most affected by the HIV epidemic is essential to addressing disparities that impact people living with HIV. This study sought to identify individual and neighborhood-level factors that are associated with residing in geographic hotspots of poor sustained HIV viral suppression. Methods: Using data fro...
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Background In response to COVID-19, the city of Chicago issued stay-at-home orders, which began on March 20, 2020, and restrictions meant to “flatten the curve” remained in effect until June 2, 2020. On June 3, 2020, Chicago entered the reopening phase. This study compares rates of polysubstance use by COVID-19 lockdown phase and across sociodemogr...
Article
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Jordan, a Middle Eastern country, initially responded to an outbreak of COVID-19 cases within its own borders by imposing a 7-week strict lockdown and closure of international and domestic travel. Such measures drastically influenced lifestyle behaviors of the population. This study aimed to investigate the prevalence of physical activity, and its...
Article
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The study is one of the first to examine both the prevalence of life instability among older adults with HIV (OAWH) in a community clinic and its relationship to their mental health. OAWH (N=623) from a community medical clinic completed an interviewer-administered assessment (English/Spanish) which included an additive Life Instability Index (LII)...
Article
Objectives: Investigate the associations of gender minority stressors (including stigma consciousness [SC] and gender-related discrimination [GRD]) with sleep health in gender minority individuals. Design: Cohort. Participants: 279 gender minority individuals. Measurements: SC and GRD were measured using the Stigma Consciousness and Everyday...
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Introduction The purpose of this study is to qualitatively explore transgender and nonbinary (TGNB) individuals’ experiences with bathroom use in neighborhoods and public spaces in the context of navigating experiences of harassment, lack of safety, and discrimination in New York City. Methods Forty diverse TGNB individuals were recruited in the s...
Article
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Emerging evidence suggests that sex workers face unique and profound risks arising from the COVID-19 pandemic. To illuminate the pandemic's effects on sex worker health and safety and identify intervention opportunities, from May–August 2018 in-depth interviews were conducted with a purposive sample of 15 sex workers, four service providers and two...
Article
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The geographic availability of pre-exposure prophylaxis (PrEP) providers is one important factor that significantly affects PrEP uptake. While most previous studies have employed spatial accessibility in static residential neighborhood definitions or self-reported healthcare accessibility, we examined the associations of the objectively measured ge...
Article
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This study investigated sexual identity and behavior and their potential associations with PrEP use and attitudes in cisgender Black gay and bisexual men. A total of N = 173 (mean age 25.2) participants from the Neighborhoods and Networks (N2) Study in Chicago were included. Of these, 104 were gay-identified and reported sex with men only (GSMO), 2...
Article
Racial/ethnic minorities are disproportionately affected by poor HIV care outcomes. Studies have also examined the effects of neighborhood-level factor on an individual's health outcomes. Thus, the objective of this study was to assess the effects of neighborhood factors on the association between race/ethnicity and sustained viral suppression (all...
Article
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Background A variety of strategies have been used to reach men with HIV self-testing services, including social network-based HIV self-test kits distribution. However, few studies have assessed men’s comfort to distribute to or receive HIV self-test kits from close male friends within the same social network. In this study, we assessed men’s comfor...
Article
Background: COVID-19 has disproportionately impacted vulnerable populations, including Black men who have sex with men (BMSM) and transgender women (BTW). We investigated associations of COVID-19 stressors and sex behaviors with pre-exposure prophylaxis (PrEP) and antiretroviral therapy (ART) among BMSM and BTW. Methods: As part of the Neighborh...
Article
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Transgender and gender diverse people have unique risks and needs in the context of sexual health, but little is known about sexual health care for this population. In 2018, a national, online survey of sexual health and well-being was conducted with trans and gender diverse people in Australia (n = 1,613). Data from this survey were analysed to de...
Conference Paper
Background Neighborhoods characterized by adverse socioeconomic factors may be associated with poor HIV care outcomes, including viral suppression, which varies by race/ethnicity. Health disparities are observed among racial/ethnic minorities in disadvantaged neighborhoods. Moreover, once a person is virally suppressed, it is imperative that suppre...
Chapter
The subordinate health status of Blacks in the United States (US) has been documented since the 1899 publication of The Philadelphia Negro, in which W.E.B. DuBois presented empirical data on the differences in the quality of health between Blacks and Whites during the 1900s. Black–White differences in health persist today across a wide array of con...
Article
Background Few studies have examined associations between neighborhood social cohesion and sexual risk behaviors among gay, bisexual, and other sexual minority men (SMM), and none have among Black SMM in the southern U.S. The purpose of the current study is to examine associations between neighborhood social cohesion and sexual risk behaviors among...
Article
Identifying the geographic hotspots of HIV infection among high-risk populations such as transgender people is critical to ending the HIV epidemic in the United States (U.S.). This study examined the spatial pattern of HIV positivity rate and the associated correlates among transgender persons in the 48 contiguous states and the District of Columbi...
Article
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Black youth and their families living in urban settings may experience unique stressors that contribute to underlying issues due to the environmental context. Such factors may exacerbate and promote drug use and engagement in risky sexual behaviors, unknowingly. Little is known about how family factors, peer pressure, condom use, and other related...
Preprint
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Background Few studies have explored alternative strategies for reaching men with HIV self-testing services. In this study, we assessed the factors associated with men’s comfort to distribute or receive HIV self-test kits from close male friends among men who socialize in networks locally referred to as "camps" in Tanzania. Methods Data are from a...
Article
Interactions with the police may result in police brutality, particularly for people of color. Black men who have sex with men (BMSM) face disproportionate risk of police contact and may experience elevated violence risk. We measured longitudinal associations between discriminatory police harassment (DPH) and subsequent risk of a range of interpers...
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Neighborhood deprivation plays an important role in childhood health and development, but defining the appropriate neighborhood definition presents theoretical as well as practical challenges. Few studies have compared neighborhood definitions outside of highly urbanized settings. The purpose of the current study was to evaluate how various adminis...
Article
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Most HIV research combines transgender women who have sex with men (TWSM) with cisgender men who have sex with men (MSM), despite emerging evidence of important differences. Using data from The MARI Study, we compared Black TWSM and Black cisgender MSM on personal and ecological factors. Black TWSM reported more unemployment (71.4% versus 51.4%, p...
Article
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The mental health impact of exposure to police harassment is understudied, particularly among Black men who have sex with men (BMSM), a group at elevated risk of exposure to such discrimination. This study aimed to identify the associations among BMSM between recent police harassment and psychosocial vulnerability, psychological distress, and depre...
Article
We assessed the geographic variation in socio-demographics, mobility, and built environmental factors in relation to COVID-19 testing, case, and death rates in New York City (NYC). COVID-19 rates (as of June 10, 2020), relevant socio-demographic information, and built environment characteristics were aggregated by ZIP Code Tabulation Area (ZCTA). S...
Article
Consistent antiretroviral therapy (ART) adherence is necessary for HIV viral suppression. However, adherence may fluctuate around daily routines and life events, warranting intervention support. We examined reasons for ART adherence interruptions, using in-depth, semi-structured qualitative interviews, among young (18–34-year-old) Latino men who ha...
Chapter
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Neighborhoods and health studies have focused on a wide range of health outcomes, including HIV outcomes such as condomless sex and HIV acquisition. This growing body of research connecting neighborhoods to sexual behaviors [e.g., condomless anal intercourse], HIV prevention behaviors [e.g., pre-exposure prophylaxis (PrEP) use], and HIV care behavi...
Article
Background: Jordan, a Middle Eastern country, declared a state of national emergency due to COVID-19 and a strict nationwide lockdown on 17 March 2020, banning all travel and movement around the country, potentially impacting mental health. This study sought to investigate the association between mental health (eg, anxiety and depressive symptoms)...
Article
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Considering that the world population is rapidly aging and disability is a very frequent event in older adults, there is an increasing interest in studying their determinants, such as the neighborhood characteristics. Thus, this study aimed to explore the association between the social environment of the neighborhood and disability in older adults....
Article
Mitigating physical inactivity is vital for public health. Neighborhoods that include visually engaging, eye-catching objects and locations increase the frequency, duration, and vigorousness of resident and visitors’ exercise. Three findings are key: First, individuals in neighborhoods that include features directly relevant to exercise—including d...
Article
Our technological landscape is changing rapidly. These technologies have the potential to serve a variety of functions relating to individual and population‐level health, such as the ability for patients with chronic conditions to connect and share their experiences or for health care providers to reach underserved or hard to reach populations with...
Article
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Background: Black men who have sex with men (MSM) are disproportionately affected by HIV compared to almost every other demographic group in the country and have worse outcomes along the care continuum. Diagnosis is a critical juncture. This study aims to explore the impact and meaning of an HIV diagnosis for Black MSM, and how this has changed ov...
Article
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Background: Older lesbian, gay, and bisexual (LGB) adults are an underserved and understudied population that experience specific health disparities. The intersection of aging and chronic medical disease with a higher risk for substance use and mental illness may place older LGB adults at risk for co-occurring conditions and resulting comorbidity....
Article
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Sex workers confront unique challenges in the face of COVID-19. Data from an international sex work website popular with cisgender men and transgender men and women suggest that, after a period of physical distancing, many sex workers are returning to in-person work: from May to August 2020, active sex work profiles increased 9.4% (P < 0.001) and n...
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Purpose: This study used self-reported gender among trans and gender diverse people in Australia to identify and describe broad, overarching gender categories that encompass the expansive ways in which gender can be defined and expressed. Methods: Data were collected as part of the Australian Trans & Gender Diverse Sexual Health Survey hosted in...
Article
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Although racial sexual exclusivity among Black gay, bisexual, and other sexual minority men (SMM) is frequently framed as a cause of HIV inequities, little research has examined how these sexual relationships may be driven by and protective against racism. This study examined associations between general racial discrimination, Black sexual exclusiv...
Article
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Objectives Recommendations of ‘social distancing’ and home quarantines to combat the global COVID-19 pandemic have implications for sex and intimacy, including sex work. This study examined the effects of COVID-19 on male sex work globally and investigated how men who sold sex responded to and engaged with the virus in the context of work. Methods...
Article
The purpose of this study was to examine and quantify spatial mobility among HIV-negative young men who have sex with men (YMSM) within and across high prevalence HIV neighborhoods in New York City (NYC). We completed an analysis with global positioning system (GPS) and survey data to quantify spatial mobility for participants enrolled in the P18 N...
Article
Young black men who have sex with men (YBMSM) and young black transgender women (TGW) have experienced a stark disparity in HIV prevention and care. Resilience, collective resources to adapt stressors or adversities, may improve HIV prevention and care outcomes. The present study investigated the association of resilience-based factors with PrEP up...
Article
Introduction Little is known about sleep health among transgender and gender diverse populations. Even less is known about sleep among transgender women of color, a population that experiences considerable health disparity. Methods Interim baseline data were analyzed from the TURNNT (Trying to Understand Relationships, Networks and Neighborhoods a...
Article
Spatial contexts and spatial mobility are important factors of the HIV epidemic and sexually transmitted infections. Using global positioning system (GPS) devices, we examined the associations of objectively measured spatial mobility with sexual risk behaviors among gay, bisexual and other men who have sex with men (MSM) in New York City. This obse...
Article
In France, men who have sex with men (MSM) experience the highest HIV incidence. MSM who use multiple venues such as bars and smartphone apps to find sexual partners have greater HIV and sexually transmitted infection risk than those who use a single physical or online venue. To explore the role of venues and sexual behavior on HIV risk, we used la...
Article
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Introduction In the USA, transgender women are among the most vulnerable to HIV. In particular, transgender women of colour face high rates of infection and low uptake of important HIV prevention tools, including pre-exposure prophylaxis (PrEP). This paper describes the design, sampling methods, data collection and analyses of the TURNNT (‘Trying t...
Article
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Prior research has documented the ways in which financial hardships negatively impact health, particularly mental health. However, this association between financial hardships and mental health outcomes has rarely been examined in sexual minorities. The purpose of this study was to examine associations between financial hardships and mental health...
Article
Objectives The purpose of the present study was to examine associations between life stress and incarceration history in relation to sexual health risk practices among a sample of cisgender Black gay, bisexual and other men who have sex with men (MSM) in the Deep South. Methods: Using data from a sample of 355 cisgender Black MSM in Mississippi a...
Article
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Online social communities are becoming windows for learning more about the health of populations, through information about our health-related behaviors and outcomes from daily life. At the same time, just as public health data and theory has shown that aspects of the built environment can affect our health-related behaviors and outcomes, it is als...
Article
Background: A vast amount of research has demonstrated the numerous adverse health risks of short sleep duration and poor sleep health among the general population, and increasing studies have been conducted among lesbian, gay, and bisexual individuals. However, although poor sleep health is disproportionately experienced by sexual and gender minor...
Article
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There is a disproportionately high HIV incidence among Black men who have sex with men (MSM) despite equal or lower levels of HIV risk behaviors compared to White MSM. Due to high levels of racial segregation in the U.S., Black MSM have an elevated likelihood of living in neighborhoods that contain psychosocial stressors, which, in turn, may increa...
Chapter
This chapter focuses on the emerging area of sleep disparities among sexual and gender minorities, including lesbian, gay, bisexual, and transgender (LGBT) individuals, as compared to heterosexual and cisgender individuals. It overviews empirical evidence on sexual orientation and gender minority disparities in sleep health, including using data fr...
Article
The aim of this study was to assess mobility patterns among a sample of transgender women (n=14) in New York City via survey and Global Positioning System (GPS) monitoring. We found varying levels of concordance between the residential neighbourhood and each of the non-residential contexts: 64.3% considered the neighbourhood that they socialised in...
Article
Drug- and alcohol-poisoning deaths remain current public health problems. Studies to date have typically focused on individual-level predictors of drug overdose deaths, and there remains a limited understanding of the spatiotemporal patterns and predictors of the joint outcomes. We use a hierarchical Bayesian spatiotemporal multivariate Poisson reg...
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Background: Policymakers need accurate data to develop efficient interventions to promote transport physical activity. Given the imprecise assessment of physical activity in trips, our aim was to illustrate novel advances in the measurement of walking in trips, including in trips incorporating non-walking modes. Methods: We used data of 285 part...
Article
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Despite an increasing pre-exposure prophylaxis (PrEP) use among populations at highest risk of HIV acquisition, comprehensive and easy access to PrEP is limited among racial/ethnic minorities and low-income populations. The present study analyzed the geographic distribution of PrEP providers and the relationship between their location, neighborhood...
Article
Background: Drug use among electronic dance music (EDM) party attendees is common; however, studies are needed to examine associations between drug use and sexual orientation as this can inform prevention and harm reduction efforts in the lesbian, gay, and bisexual (LGB) community. Methods: Data were examined from a repeated cross-sectional study o...
Article
Rates of physical inactivity continue to rise in the United States. With this work, we tested the efficacy of a strategy affecting the scope of visual attention designed to promote walking as a form of exercise. Specifically, we examined the influence of narrowed attention on the frequency (Studies 1a, 1b, and 3) and efficiency (Studies 2 and 4) of...
Article
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A growing body of literature shows that neighborhood characteristics influence older adults' mental health. Therefore, the aim of this study was to examine the association between structural and social characteristics of the neighborhood, and depression in Mexican older adults. A longitudinal study was conducted based on waves 1 (2009-2010) and 2 (...
Article
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Low perception of HIV risk is a challenge to PrEP implementation. We analyzed associations between perceptions of PrEP candidacy, behavioral indications for PrEP, and sexual behaviors. We recruited a sample of 580 MSM from a geosocial-networking smartphone application in Paris, France. A modified Poisson regression model was conducted to examine as...
Conference Paper
Background This study examined if the intersection of stress and experiences of incarceration was associated with sexual risk-taking among Black gay, bisexual and other men who have sex with men (‘Black MSM’) in the Deep South of the United States. Methods Data for this analysis were collected during 2013–2015 as part of a study of sexual health a...