E. Roberto Orellana

ORCID: 0000-0003-4444-2321
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About
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Research Areas
  • HIV, Drug Use, Sexual Risk
  • HIV/AIDS Research and Interventions
  • Sex work and related issues
  • Adolescent Sexual and Reproductive Health
  • Homelessness and Social Issues
  • LGBTQ Health, Identity, and Policy
  • Child Abuse and Trauma
  • HIV Research and Treatment
  • Child and Adolescent Psychosocial and Emotional Development
  • Indigenous Health, Education, and Rights
  • Community Health and Development
  • Migration, Health and Trauma
  • Mosquito-borne diseases and control
  • Indigenous Health and Education
  • Child Welfare and Adoption
  • Youth Development and Social Support
  • Reproductive tract infections research
  • Substance Abuse Treatment and Outcomes
  • Opioid Use Disorder Treatment
  • Syphilis Diagnosis and Treatment
  • Sexual Assault and Victimization Studies
  • HIV-related health complications and treatments
  • HIV/AIDS drug development and treatment
  • Health Policy Implementation Science
  • Cognitive Abilities and Testing

University of Washington
2005-2025

University of North Carolina at Chapel Hill
2023

Portland State University
2005-2022

Oregon Department of Human Services
2022

Seattle University
2022

Deloitte (United States)
2020

Oregon State University
2014-2015

Arizona State University
2015

The University of Texas at Austin
2015

University of Southern California
2015

In 2017, preliminary data show that gay, bisexual, and other men who have sex with (MSM) accounted for 67% of new diagnoses human immunodeficiency virus (HIV) infection, MSM inject drugs an additional 3%, African American/black (black) Hispanic/Latino (Hispanic) were disproportionately affected (1). During 2010-2015, racial/ethnic disparities in HIV incidence increased among MSM; 2015, rates black Hispanic 10.5 4.9 times as high, respectively, the rate white (compared 9.2 3.8 2010) (2)....

10.15585/mmwr.mm6837a2 article EN MMWR Morbidity and Mortality Weekly Report 2019-09-19

In the United States, 10% of HIV infections diagnosed in 2018 were attributed to unsafe injection drug use or male-to-male sexual contact among persons who inject drugs (PWID) (1). 2017, PWID men have sex with and (MSM-ID), 76% those received a diagnosis infection lived urban areas* (2). To monitor prevalence associated behaviors reported injecting past 12 months, including MSM-ID, CDC's National Behavioral Surveillance (NHBS) conducts interviews testing populations at high risk for (MSM,...

10.15585/mmwr.mm7042a1 article EN MMWR Morbidity and Mortality Weekly Report 2021-10-21

With few exceptions, much of sexual science builds upon data from opportunistic nonprobability samples limited generalizability. Although probability-based studies are considered the gold standard in terms generalizability, they costly to apply many hard-to-reach populations interest sexologists. The present article discusses recent conclusions by sampling experts that have relevance advocates for methods. In this regard, we provide an overview Internet as a useful, cost-efficient, method...

10.1080/00224499.2015.1016476 article EN The Journal of Sex Research 2015-04-21

We examined structural factors—social, political, economic, and environmental—that increase vulnerability to HIV among indigenous people in the Peruvian Amazon. Indigenous adults belonging 12 different ethnic groups were purposively recruited four Amazonian river ports 16 villages. Qualitative data revealed a complex set of factors that give rise environments risk where health is constantly challenged. Ferryboats cross rivers are settings unprotected sex—including transactional sex between...

10.1177/1049732313502129 article EN Qualitative Health Research 2013-08-07

Background Men who have sex with men (MSM) the highest HIV prevalence in Peru, yet they are underserved by traditional preventive programs. In Internet and mobile phones emerged as an effective convenient tool to reach this population. Methods Findings From October 2010 February 2011, we conducted eight focus groups gay identified MSM (closeted out-of-the-closet) self-identified heterosexual order identify key features preferences be used tailor culturally-appropriate messages that could...

10.1371/journal.pone.0054012 article EN cc-by PLoS ONE 2013-01-08

10.1016/s1473-3099(19)30310-x article EN The Lancet Infectious Diseases 2019-08-06

In 2019, heterosexual sex accounted for 23% of new HIV diagnoses in the United States and six dependent areas (1). Although preexposure prophylaxis (PrEP) can safely reduce risk infection among persons, this group is underrepresented PrEP research (2). CDC analyzed National Behavioral Surveillance (NHBS) data to describe awareness heterosexually active adults cities with high prevalence. Overall, although 32.3% who were eligible aware PrEP, <1% used PrEP. Racial, ethnic, gender disparities...

10.15585/mmwr.mm7047a3 article EN MMWR Morbidity and Mortality Weekly Report 2021-11-24

Although nearly half of Guatemalans identify as Indigenous, little is known about the unique health experiences Indigenous sexual minority individuals. We sought to explore how intersectional stigma impacts gay and bisexual men (GBM) in Guatemala. Between February May 2021, we conducted in-depth qualitative interviews via Zoom with key stakeholders (n = 12) working GBM throughout coded thematically narrative analysis most salient themes. found that experience based on multiple marginalized...

10.1080/00918369.2025.2460973 article EN Journal of Homosexuality 2025-02-10

Abstract Background The Push–Pull–Infrastructure (PPI) model is proposed as a strategy for disseminating health innovations. Using PPI model, we developed and examined the feasibility of community-based intervention to disseminate oral human immunodeficiency virus (HIV) self-testing (OHST) men who have sex with in Portland, OR. Methods We disseminated OHST kits through network commercial businesses (n = 6) serving Lesbian, Gay, Bisexual, Transgender, Queer plus community. Data were collected...

10.1093/tbm/ibaf011 article EN Translational Behavioral Medicine 2025-01-01

Between 18 June and 20 September 1986, 28 cases of Plasmodium vivax malaria were documented in Carlsbad, California, a coastal town north San Diego. Malaria occurred 1 local resident who had no risk factors, second traveled to malarious area 9 months earlier, 26 Mexican migrant workers (MWs). Among the cases, 27 lived square mile marshy where Anopheles hermsi, newly described American species maculipennis group, was known be breeding. An investigation MWs residing affected done determine...

10.4269/ajtmh.1990.42.3 article EN American Journal of Tropical Medicine and Hygiene 1990-01-01

Abstract Background Medicaid expansion under the Affordable Care Act increased insurance coverage, access to healthcare, and substance use disorder treatment, for many Americans. We assessed differences in healthcare utilization among persons who inject drugs (PWID) by state status. Methods In 2018, PWID were interviewed 22 US cities National HIV Behavioral Surveillance. analyzed data from aged 18–64 years reported illicit of opioids (n = 9957) past 12 months. Poisson regression models with...

10.1093/infdis/jiaa337 article EN public-domain The Journal of Infectious Diseases 2020-06-19

The objective of this study is to identify features and content that short message service (SMS) should have in order motivate HIV testing among men who sex with (MSM) Lima, Peru.From October, 2010 February, 2011, we conducted focus groups at two stages; six were explore SMS additional tailor content. text messages elaborated within the theoretical framework Information-Motivation-Behavioral Skills model Social Support Theory.A total 62 individuals participated groups. mean age participants...

10.2174/1874613601307010001 article EN cc-by The Open AIDS Journal 2013-04-05

Women who report transactional sex are at increased risk for HIV and other sexually transmitted infections (STIs). However, in the United States, social, behavioral, trauma-related vulnerabilities associated with understudied data on access to biomedical prevention among women limited.

10.1186/s12905-020-01088-1 article EN cc-by BMC Women s Health 2020-10-02

The Centers for AIDS Research Diversity, Equity, and Inclusion Pathway Initiative (CDEIPI) aims to establish programs develop pathways successful careers in HIV science among scholars from underrepresented racial ethnic populations. This article describes cross-site evaluation outcomes during the first 18 months (July 2021-December 2022) across 15 programs. of were characterize participants, describe feasibility, challenges, successes provide a basis generalizability best practices (DEI)...

10.1097/qai.0000000000003266 article EN JAIDS Journal of Acquired Immune Deficiency Syndromes 2023-09-14

Infections with HTLV-1 and -2 were detected in 12 (1.9%) 6 (0.9%) indigenous individuals living 27 Amazonian villages Peru. All infections occurred Shipibo-Konibo people. HTLV was more common among participants distant from larger port cities women non-monogamous sexual partners.

10.4269/ajtmh.2012.12-0289 article EN American Journal of Tropical Medicine and Hygiene 2012-09-21

Journal Article Maternal Criminal Justice and Child Welfare Involvement: Associations between Risk Exposures Childhood Mental Health Get access Keva M. Miller, Miller PhD, LCSW, is assistant professor, E. Roberto Orellana, Amber B. Johnson, survey research lab project manager, Portland State University, Portland, OR. Kathryn Krase, LMSW, Long Island University-Brooklyn, NY. Ben Anderson-Nathe, associate Address correspondence to Academic Student Recreation Center (ASRC) Ste. 600, 1800 SW 6th...

10.1093/swr/svt036 article EN Social Work Research 2013-12-01

In the United States (US), sexuality-based stigma continues to undermine HIV prevention and care efforts. We assessed sexual behavior burden across family, healthcare, social domains determined associations with HIV-related outcomes among cisgender gay, bisexual, other men who have sex (MSM) in nine US metropolitan statistical areas. MSM (N = 4,086) recruited at places of congregation via venue-based, time-sampling procedures completed a survey on stigma, PrEP (pre-exposure prophylaxis)...

10.1037/sah0000495 article EN other-oa Stigma and Health 2024-01-11

Providing HIV prevention services to high–risk individuals remains challenging. We assessed factors associated with nonparticipation among high–risk, sexually active MSM found eligible participate in a brief, telephone–delivered trial designed evaluate the efficacy ofmotivational enhancement therapy (the Sex Check). Two levels of are evaluated: participants who did versus those not complete their baseline/enrollment interview, and enrolled attend any counseling sessions. Nonenrollers were...

10.1521/aeap.2006.18.4.348 article EN AIDS Education and Prevention 2006-08-01

Complex manifestation of stigma across personal, community, and structural levels their effect on HIV outcomes are less understood than effects in isolation. Yet, multilevel approaches that jointly assesses criminalization personal sexual behavior relation to testing have not been widely employed or only focused specific subpopulations. The current study the association three types MSM-related behavior-related (family, healthcare, general social stigma) measured at both individual site...

10.1186/s12913-022-08572-4 article EN cc-by BMC Health Services Research 2022-09-20
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