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Dive into the research topics where Sean T. Allen is active.

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Featured researches published by Sean T. Allen.


Harm Reduction Journal | 2015

How far will they go?: assessing the travel distance of current and former drug users to access harm reduction services

Sean T. Allen; Monica S. Ruiz; Allison O’Rourke

BackgroundPrior research has explored spatial access to syringe exchange programs (SEPs) among people who inject drugs (PWID), but little is known about service utilization by former PWID who continue to access services (e.g., HIV screenings and referrals for social services) at harm reduction providers. The purpose of this research is to examine differences in access to SEPs between current and former PWID seeking services at a mobile SEP in Washington, DC.FindingsA geometric point distance estimation technique was applied to data collected as part of a PWID population estimation study that took place in Washington, DC, in March and April 2014. We calculated the walking distance from the centroid point of home residence zip code to the mobile exchange site where PWID presented for services. An independent samples t-test was used to examine differences in walking distance measures between current and former PWID. Differences in mean walking distance were statistically significant with current and former PWID having mean walking distances of 2.75 and 1.80 miles, respectively.ConclusionsThe results of this study suggest that former PWID who are engaging with SEPs primarily for non-needle exchange services (e.g., medical or social services) may have decreased access to SEPs than their counterparts who are active injectors. This research provides support for expanding SEP operations such that both active and former PWID have increased access to harm reduction providers and associated health and social services. Increasing service accessibility may help resolve unmet needs among current and former PWID.


International Journal of Drug Policy | 2015

The evidence does not speak for itself: The role of research evidence in shaping policy change for the implementation of publicly funded syringe exchange programs in three US cities

Sean T. Allen; Monica S. Ruiz; Allison O’Rourke

BACKGROUND A breadth of literature exists that explores the utilization of research evidence in policy change processes. From this work, a number of studies suggest research evidence is applied to change processes by policy change stakeholders primarily through instrumental, conceptual, and/or symbolic applications, or is not used at all. Despite the expansiveness of research on policy change processes, a deficit exists in understanding the role of research evidence during change processes related to the implementation of structural interventions for HIV prevention among injection drug users (IDU). This study examined the role of research evidence in policy change processes for the implementation of publicly funded syringe exchange services in three US cities: Baltimore, MD, Philadelphia, PA, and Washington, DC. METHODS In-depth qualitative interviews were conducted with key stakeholders (n=29) from each of the study cities. Stakeholders were asked about the historical, social, political, and scientific contexts in their city during the policy change process. Interviews were transcribed and analyzed for common themes pertaining to applications of research evidence. RESULTS In Baltimore and Philadelphia, the typological approaches (instrumental and symbolic/conceptual, respectively) to the applications of research evidence used by harm reduction proponents contributed to the momentum for securing policy change for the implementation of syringe exchange services. Applications of research evidence were less successful in DC because policymakers had differing ideas about the implications of syringe exchange program implementation and because opponents of policy change used evidence incorrectly or not at all in policy change discussions. CONCLUSION Typological applications of research evidence are useful for understanding policy change processes, but their efficacy falls short when sociopolitical factors complicate legislative processes. Advocates for harm reduction may benefit from understanding how to effectively integrate research evidence into policy change processes in ways that confront the myriad of factors that influence policy change.


Journal of Urban Health-bulletin of The New York Academy of Medicine | 2018

Implementing Targeted Sampling: Lessons Learned from Recruiting Female Sex Workers in Baltimore, MD

Sean T. Allen; Katherine H. A. Footer; Noya Galai; Ju Nyeong Park; Bradley Silberzahn; Susan G. Sherman

Globally, HIV prevention interventions have proven efficacious among street-based female sex workers (FSWs); yet, there is a dearth of US-based HIV prevention research among this group. The lack of research among FSWs in the USA is partially driven by challenges in recruiting members of this population. The purpose of this research is to describe how targeted sampling was employed to recruit a cohort of street-based FSWs for a study that examined the role of police in shaping the HIV risk environments of street-based FSWs in Baltimore, MD. Our research demonstrates that targeted sampling can be an advantageous strategy for recruiting hidden populations that are mobile and geographically dispersed.


Drug and Alcohol Dependence | 2018

PrEP awareness, eligibility, and interest among people who inject drugs in Baltimore, Maryland

Susan G. Sherman; Kristin E. Schneider; Ju Nyeong Park; Sean T. Allen; Derrick Hunt; C. Patrick Chaulk; Brian W. Weir

BACKGROUND Limited research has examined pre-exposure prophylaxis (PrEP) interest among people who inject drugs (PWID). To date, few studies have examined the relationship between PrEP eligibility and PrEP interest among PWID. METHODS Data were from an anonymous, cross-sectional survey of Baltimore Syringe Services Program (SSP) clients and non-client peers, restricted to HIV-uninfected participants (N = 265). Participants were classified as PrEP eligible/ineligible based on injection related criteria outlined in the CDCs PrEP guidelines. Participants were asked if they were previously aware of PrEP, would be interested in taking PrEP, and the ease of taking PrEP daily. Participants self-reported their sociodemographic characteristics, health diagnoses, and recent drug use, overdose, and drug treatment history. We estimated bivariate and multivariate logistic regression models to test for significant predictors of interest in PrEP. RESULTS One-quarter of PWID had previously heard of PrEP and 63% of the sample was interested in taking PrEP. Only two respondents were currently taking PrEP. The majority (89%) thought taking PrEP every day would be easy. In the presence of other variables, PrEP interest was associated with PrEP eligibility (adjusted odds ratio [aOR] = 2.46; 95% Confidence Interval [CI]:1.34,4.50) and the number of medical diagnoses (aOR = 1.16; 95% CI:1.01,1.33) CONCLUSIONS: Most PWID were unaware of PrEP but interested in taking it. PWID who were eligible for PrEP are more likely to be interested in taking it. Having co-morbid conditions was an important correlate of PrEP interest. These results underscore the importance of providers across the healthcare sector engaging PWID in discussions about PrEP.


Journal of Gay and Lesbian Social Services | 2016

Differences in the prevalence of risk behaviors between heterosexual and lesbian, gay, bisexual, and questioning (LGBQ) female adolescents in the juvenile justice system

Sean T. Allen; Monica S. Ruiz; Allison O’Rourke

Abstract Little is known about the behavioral risk factors for HIV and other sexually transmitted infections (STIs) among female youths who identify as lesbian, gay, bisexual, or questioning (LGBQ) and who are involved in the juvenile justice system. We examined the sexual and drug use risk profiles of heterosexual and LGBQ female adolescents in the justice system. Greater prevalence of alcohol and substance use was found among female LGBQ adolescents compared to their female heterosexual counterparts. Conversely, female LGBQ youths reported more consistent condom use for both vaginal and anal sex compared to heterosexual females. These data may be useful in tailoring interventions for justice-involved LGBQ youths.


Harm Reduction Journal | 2015

Client-Identified needs and agency-provided services at a harm reduction community based organization in the District of Columbia

Allison O’Rourke; Monica S. Ruiz; Sean T. Allen

BackgroundHarm reduction case management relies on client-identified goals to drive the provision of care in order to “meet clients where they are at”. This research measured the level of agreement between client-identified needs and agency-provided services at a community based organization (CBO) in Washington DC by examining: (1) the services clients most often identified, (2) the services most often given to clients by the CBO, and (3) the level of alignment between client-identified needs and services provided.MethodsCase file reviews were completed for 151 clients who received case management services at the CBO between January 2010 and February 2011. Client-identified needs and agency-provided services were extracted from case files and divided into 9 matching need and service categories: pharmaceutical assistance (e.g., prescription renewal), medical or dental care, housing, mental health services, substance use services, support services (e.g., support group meetings), legal assistance, and employment/job training. Client-identified needs and services provided were analyzed using McNemar’s Chi-square to assess for significant differences in discordant pairs.ResultsClients were mostly Black (90.7 %), heterosexual (63.6 %), HIV positive (93.4 %), and over 40 years old at the time of intake (76.2 %). On average, clients identified 2.44 needs and received 3.29 services. The most common client-identified needs were housing (63.7 %), support services (34.3 %), and medical/dental care (29.5 %). The most common agency-provided services were housing (58.2 %), support services (51.4 %), and medical/dental care (45.2 %). In 6 of the 9 service categories, there were statistically significant (p < .01) differences between those who received services not asked for and those who did not receive asked for services in the categories of pharmaceutical assistance, medical/dental care, substance abuse services, support services, legal assistance, and food access. In each of these matched service categories, the percentage of clients who received services not asked for was significantly higher than those who did not.ConclusionThis research shows that, while there is general alignment between the services that clients most often want and the services most often provided, there are still instances where services are requested but are not being provided.


Aids and Behavior | 2016

Impact Evaluation of a Policy Intervention for HIV Prevention in Washington, DC

Monica S. Ruiz; Allison O’Rourke; Sean T. Allen


Aids and Behavior | 2016

Using Capture-Recapture Methods to Estimate the Population of People Who Inject Drugs in Washington, DC

Monica S. Ruiz; Allison O’Rourke; Sean T. Allen


Harm Reduction Journal | 2017

Mitigating the heroin crisis in Baltimore, MD, USA: a cost-benefit analysis of a hypothetical supervised injection facility

Amos Irwin; Ehsan Jozaghi; Brian W. Weir; Sean T. Allen; Andrew Lindsay; Susan G. Sherman


Harm Reduction Journal | 2016

Legal space for syringe exchange programs in hot spots of injection drug use-related crime.

Sean T. Allen; Monica S. Ruiz; Jeff Jones; Monique Mitchell Turner

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Monica S. Ruiz

George Washington University

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Allison O’Rourke

George Washington University

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Brian W. Weir

Johns Hopkins University

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Ju Nyeong Park

Johns Hopkins University

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Jeffery A. Jones

Georgia Southern University

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Patrick Chaulk

Johns Hopkins University

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Andrew Lindsay

Johns Hopkins University

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