David Vlahov
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View article: Implementation of Chatbot Technology in Health Care: Protocol for a Bibliometric Analysis
Implementation of Chatbot Technology in Health Care: Protocol for a Bibliometric Analysis Open
Background Chatbots have the potential to increase people’s access to quality health care. However, the implementation of chatbot technology in the health care system is unclear due to the scarce analysis of publications on the adoption of…
View article: Implementation of Chatbot Technology in Health Care: Protocol for a Bibliometric Analysis (Preprint)
Implementation of Chatbot Technology in Health Care: Protocol for a Bibliometric Analysis (Preprint) Open
BACKGROUND Chatbots have the potential to increase people’s access to quality health care. However, the implementation of chatbot technology in the health care system is unclear due to the scarce analysis of publications on the adoption o…
View article: Body mass index and obesity-related behaviors in African American church-based networks: A social network analysis
Body mass index and obesity-related behaviors in African American church-based networks: A social network analysis Open
A growing body of research suggests that obesity can be understood as a complex and biobehavioral condition influenced by social relationships ─social networks. Social network analysis allows us to examine how an individual’s network chara…
View article: Associations Between COVID-19 Vaccine Hesitancy and Socio-Spatial Factors in NYC Transit Workers 50 Years and Older
Associations Between COVID-19 Vaccine Hesitancy and Socio-Spatial Factors in NYC Transit Workers 50 Years and Older Open
This analysis investigates how age, race/ethnicity, and geographic location contributed to vaccine hesitancy in a sample of 645 New York City (NYC) Transport Workers Union (TWU), Local 100 members surveyed in August 2020. Union members age…
View article: Preferences for Long-Acting and Alternative Modalities for PrEP among Military Men Who Have Sex with Men: Segmentation Results of an Adaptive Choice-Based Conjoint Analysis Study
Preferences for Long-Acting and Alternative Modalities for PrEP among Military Men Who Have Sex with Men: Segmentation Results of an Adaptive Choice-Based Conjoint Analysis Study Open
The use of pre-exposure prophylaxis (PrEP) for HIV prevention within the U.S. military is low. Implementing preference-based alternative modalities of PrEP delivery, however, can be an innovative strategy to address the specific barriers t…
View article: Strategies That Promote Equity in COVID-19 Vaccine Uptake for Black Communities: a Review
Strategies That Promote Equity in COVID-19 Vaccine Uptake for Black Communities: a Review Open
Black communities have had a high burden of COVID-19 cases, hospitalizations, and death, yet rates of COVID-19 vaccine uptake among Blacks lag behind other demographic groups. This has been due in part to vaccine hesitancy and multi-level …
View article: Confidence and Hesitancy During the Early Roll-out of COVID-19 Vaccines Among Black, Hispanic, and Undocumented Immigrant Communities: a Review
Confidence and Hesitancy During the Early Roll-out of COVID-19 Vaccines Among Black, Hispanic, and Undocumented Immigrant Communities: a Review Open
Black and Hispanic Americans have been hardest hit with COVID-19 infections, hospitalizations, and deaths, yet during the first several months of vaccine roll-out they had the lowest level of vaccine uptake. Primarily, our research on vacc…
View article: Multi-level intersectional stigma reduction intervention to increase HIV testing among men who have sex with men in Ghana: Protocol for a cluster randomized controlled trial
Multi-level intersectional stigma reduction intervention to increase HIV testing among men who have sex with men in Ghana: Protocol for a cluster randomized controlled trial Open
Background Men with have sex with men (MSM) in Africa face high levels of stigma due to elevated HIV exposure (actual or perceived), same-sex practices, and gender non-conformity. These stigmas are documented barriers to HIV prevention and…
View article: Genome-wide association study reveals genetic variants associated with HIV-1C infection in a Botswana study population
Genome-wide association study reveals genetic variants associated with HIV-1C infection in a Botswana study population Open
Significance The search for genetic variants associated with resistance or susceptibility to HIV/AIDS already yielded insights that allowed developing therapeutics that contribute to dramatic reduction in AIDS-related comorbidities. Unfort…
View article: Protozoan-Viral-Bacterial Co-Infections Alter Galectin Levels and Associated Immunity Mediators in the Female Genital Tract
Protozoan-Viral-Bacterial Co-Infections Alter Galectin Levels and Associated Immunity Mediators in the Female Genital Tract Open
Co-infections with sexually transmittable pathogens are common and more likely in women with disturbed vaginal bacteriome. Among those pathogens, the protozoan parasite Trichomonas vaginalis (TV) is most common after accounting for the hig…
View article: Mortality among people who inject drugs: a prospective cohort followed over three decades in Baltimore, MD, USA
Mortality among people who inject drugs: a prospective cohort followed over three decades in Baltimore, MD, USA Open
Background and Aims During the past decades, people who inject drugs (PWID) have been impacted by the development of combination antiretroviral therapy (cART) to combat HIV/AIDS, the prescription opioid crisis and increased use of lethal s…
View article: Impact of occupational exposure to COVID-19 on the physical and mental health of an essential workgroup: New York City transit workers
Impact of occupational exposure to COVID-19 on the physical and mental health of an essential workgroup: New York City transit workers Open
Background and purpose: Early on in the COVID-19 pandemic, New York City (NYC) vowed to “keep the subways running” despite the lack of plans in place for protecting the health and well-being of transit workers. This study was designed to a…
View article: Racial Discrimination, Sedentary Time, and Physical Activity in African Americans: Quantitative Study Combining Ecological Momentary Assessment and Accelerometers
Racial Discrimination, Sedentary Time, and Physical Activity in African Americans: Quantitative Study Combining Ecological Momentary Assessment and Accelerometers Open
Background A growing number of studies indicate that exposure to social stress, such as perceived racial discrimination, may contribute to poor health, health behaviors, and health disparities. Increased physical activity (PA) may buffer t…
View article: Powering population health research: Considerations for plausible and\n actionable effect sizes
Powering population health research: Considerations for plausible and\n actionable effect sizes Open
Evidence for Action (E4A), a signature program of the Robert Wood Johnson\nFoundation, funds investigator-initiated research on the impacts of social\nprograms and policies on population health and health inequities. Across\nthousands of l…
View article: Measuring PrEP Preferences Among U.S. Military Men Who Have Sex with Men: Results of an Adaptive Choice Based Conjoint Analysis Study
Measuring PrEP Preferences Among U.S. Military Men Who Have Sex with Men: Results of an Adaptive Choice Based Conjoint Analysis Study Open
Background Pre-exposure prophylaxis (PrEP) effectively prevents HIV infection, yet its uptake remains low among U.S. military men who have sex with men (MSM). Research shows that health services matching preferences produce favorable outco…