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Stephen Okoboi

Biographic Data

ID6763500
NAMEStephen Okoboi
GIVEN NAMESStephen
FAMILY NAMEOkoboi
SIGNATUREOKOBOI S
AFFILIATIONSInfectious Diseases Institute
ORCID0000-0002-8738-0397
VERIFIEDYes
TOTAL WORKS15
TOTAL CITATIONS0
WORKS AS AUTHOR15
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2015
LATEST PUBLICATION YEAR2026
H-INDEX0
  • Strengthening capacity for clinical trial monitoring in the East African community

    Open Access•Belinda Twesigye, Mathius Amperiize et al.•ARTICLE•BMC Medical Education•2026

    BACKGROUND: The expanding volume and increasing complexity of clinical research in East Africa, driven by emerging and re-emerging infectious diseases, has increased the need for strong regulatory monitoring systems. Clinical trials must be monitored to ensure regulatory compliance and participant safety. Despite strengthened regulatory and ethical frameworks in the region, gaps in trial monitoring persist due to a shortage of adequately trained …

  • Longitudinal Correlates of Internalized HIV Stigma Among Ugandan PLWH

    Open Access•N Malika, Laura M Bogart et al.•ARTICLE•AIDS and Behavior•2026

    Internalized HIV stigma, defined as negative self-perceptions among people living with HIV (PLWH) based on the societal stereotype, is a significant barrier to effective HIV prevention and care in Sub-Saharan Africa. This study examined longitudinal correlates of internalized HIV stigma among PLWH in Uganda. The sample included 105 participants (mean age = 39.3 years (SD = 10.5); 69.5% women). Surveys were conducted at baseline, and 6, 12, and 18…

  • HIV Disclosure and Prevention Advocacy Partially Mediate Advocacy Training Intervention Effect on Reduced Internalized HIV Stigma

    Open Access•Glenn J Wagner, Laura M Bogart et al.•ARTICLE•AIDS and Behavior•2026

    Reduction of internalized HIV stigma is key to increasing HIV disclosure and engagement in peer advocacy for HIV prevention—and these latter processes may also be important for making further inroads into minimizing stigma. We examined mediators of the effect of a peer advocacy training intervention, Game Changers for HIV Prevention (GC-HIV), on reduced internalized HIV stigma among persons living with HIV (PLWH) in Uganda. A randomized controlle…

  • Barriers and facilitators of adherence to long-term antiretroviral treatment in Kampala, Uganda

    Open Access•Stephen Okoboi, Andrew Mujugira et al.•ARTICLE•PLOS Global Public Health•2025

    Few qualitative studies have evaluated adherence to long-term antiretroviral treatment (ART) in sub-Saharan Africa. We explored adherence barriers and facilitators among PLWH on long-term ART (≥10 years in Kampala)., We conducted 22 in-depth interviews with 16 purposively selected PLWHs on long-term ART and six purposively selected healthcare providers at the Infectious Diseases Institute ART clinic.,. Interviews with PLWH explored their perspect…

  • Randomized Controlled Trial of Game Changers, a Social Network Intervention for HIV Prevention in Uganda

    Open Access•Laura M Bogart, Joseph K B Matovu et al.•ARTICLE•AIDS and Behavior•2025

    In Uganda, where HIV prevalence remains above 5% among those aged 15 and older, we conducted a randomized controlled trial of Game Changers, an 8-session peer-facilitated group intervention that empowers people living with HIV (PLHIV) to engage in HIV prevention advocacy with their social network members ("alters"). A total of 210 index PLHIV participants (105 intervention, 105 control) and 599 alters were enrolled; assessments were conducted at …

  • Characteristics of Received HIV Prevention Advocacy from Persons Living with HIV in Uganda, and Associations with HIV Testing and Condom Use Among Social Network Members

    Open Access•Glenn J Wagner, Laura M Bogart et al.•ARTICLE•AIDS and Behavior•2024

    Receiving peer advocacy has been shown to result in increased HIV protective behaviors, but little research has gone beyond assessment of the mere presence of advocacy to examine aspects of advocacy driving these effects. With baseline data from a controlled trial of an advocacy training intervention, we studied characteristics of HIV prevention advocacy received among 599 social network members of persons living with HIV in Uganda and the associ…

  • Factors associated with provision of physical activity in primary schools in Makindye Division in Kampala, Uganda

    Open Access•Lena Mpalampa, Stephen Okoboi et al.•ARTICLE•BMC Public Health•2023

    Only 22% of sampled schools offered sufficient time for PA among Primary schools in Kampala per WHO guidelines. Provision of sufficient time for PA was associated with PE scheduled either after break or lunch. Sufficient PA was more likely with schools that had space for PA, schools which offered volleyball and athletics, and whose fees were 700,000/= or more. Schools should consider scheduling PE lessons after break or after lunch to increase th…

  • Building Capacity for Research Ethics Committees in Uganda

    Open Access•Provia Ainembabazi, Barbara Castelnuovo et al.•ARTICLE•Journal of Empirical Research on…•2023

    Timely communication from Research Ethics Committees (REC) to researchers is essential to meet deadlines. We conducted a capacity building program for REC members, REC and research administrators, and researchers from seven RECs in Uganda in order to improve the research regulatory approval cycle. The training was delivered from March 2020 to July 2021. Trainees were evaluated using pre and post-training tests. There was an increase in the averag…

  • Adherence monitoring methods to measure virological failure in people living with HIV on long-term antiretroviral therapy in Uganda

    Open Access•Stephen Okoboi, Joseph Musaazi et al.•ARTICLE•PLOS Global Public Health•2022

    Appointment keeping and self-report within 7-day or and 30-days recall periods are non-objective measures of antiretroviral treatment (ART) adherence. We assessed incidence of virological failure (VF), predictive performance and associations of these adherence measures with VF among adults on long-term ART. Data for persons initiated on ART between April 2004 and April 2005, enrolled in a long-term ART cohort at 10-years on ART (baseline) and fol…

  • Adaptations to HIV services delivery amidst the Covid-19 pandemic restrictions in Kampala, Uganda

    Open Access•Jonathan Izudi, Agnes Kiragga et al.•ARTICLE•PLOS Global Public Health•2022

    The enforcement of the coronavirus disease (COVID-19) pandemic restrictions disrupted health services delivery and currently, there is a limited understanding regarding measures employed by health facilities to ensure delivery of human immunodeficiency virus (HIV) services amidst the interruptions. We, therefore, designed a qualitative study to explore the measures for continuity of HIV services during the COVID-19 pandemic restrictions in Kampal…

  • Cost-Effectiveness of Peer-Delivered HIV Self-Tests for MSM in Uganda

    Open Access•Stephen Okoboi, Barbara Castelnuovo et al.•ARTICLE•Frontiers in Public Health•2021

    Introduction: Distribution of HIV self-testing (HIVST) kits through MSM peer networks is a novel and effective strategy to increase HIV testing coverage in this high-risk population. No study has evaluated the cost or cost effectiveness of peer distribution of HIVST strategies among MSM in sub-Saharan Africa. Methods: From June to August 2018, we conducted a pilot study of secondary MSM peer HIVST kit distribution at The AIDS Support Organization…

  • Lessons learned from a mobile technology-based intervention informed by behavioral economics to improve ART adherence among youth in Uganda

    Sarah Maccarthy, Alexandra Mendoza-Graf et al.•ARTICLE•AIDS Care•2020

    Evidence suggests that simple text messaging interventions may not suffice to improve ART adherence among youth in low-resource settings. To address this shortcoming, we developed an intervention that shared weekly real-time adherence feedback to youth in Uganda using short message services (SMS), based on information tracked by an electronic device (Wisepill). We present results from 7 formative and 6 exit focus groups (FGs) in Mulago and Entebb…

  • Incidence rate of sexually transmitted infections among HIV infected patients on long-term ART in an urban and a rural clinic in Uganda

    Open Access•Stephen Okoboi, Barbara Castelnuovo et al.•ARTICLE•BMC Public Health•2019

    We found STIs incidence rate of approximately 3 per 1000 person-years among patients on long-term (≥ 4 years) ART followed up-to 3.5 years. Rural and younger persons on ART should be routinely screened for STIs because high incidence of STIs may undo the preventative effects of ART for all

  • How am I going to live?”

    Open Access•Sarah Maccarthy, Uzaib Saya et al.•ARTICLE•BMC Public Health•2018

    ClinicalTrials.gov Identifier: NCT02514356 . Registered August 3, 2015

  • No differences in clinical outcomes with the addition of viral load testing to CD4 cell count monitoring among HIV infected participants receiving ART in rural Uganda

    Open Access•Stephen Okoboi, Paul Ekwaru et al.•ARTICLE•BMC Public Health•2015

    We found no differences in clinical outcomes associated with the addition of quarterly VL monitoring to quarterly CD4 cell count monitoring

No prominent works on this page.

  • No differences in clinical outcomes with the addition of viral load testing to CD4 cell count monitoring among HIV infected participants receiving ART in rural Uganda

    Open Access•Stephen Okoboi, Paul Ekwaru et al.•ARTICLE•BMC Public Health•2015

    We found no differences in clinical outcomes associated with the addition of quarterly VL monitoring to quarterly CD4 cell count monitoring

  • How am I going to live?”

    Open Access•Sarah Maccarthy, Uzaib Saya et al.•ARTICLE•BMC Public Health•2018

    ClinicalTrials.gov Identifier: NCT02514356 . Registered August 3, 2015

  • Incidence rate of sexually transmitted infections among HIV infected patients on long-term ART in an urban and a rural clinic in Uganda

    Open Access•Stephen Okoboi, Barbara Castelnuovo et al.•ARTICLE•BMC Public Health•2019

    We found STIs incidence rate of approximately 3 per 1000 person-years among patients on long-term (≥ 4 years) ART followed up-to 3.5 years. Rural and younger persons on ART should be routinely screened for STIs because high incidence of STIs may undo the preventative effects of ART for all

  • Lessons learned from a mobile technology-based intervention informed by behavioral economics to improve ART adherence among youth in Uganda

    Sarah Maccarthy, Alexandra Mendoza-Graf et al.•ARTICLE•AIDS Care•2020

    Evidence suggests that simple text messaging interventions may not suffice to improve ART adherence among youth in low-resource settings. To address this shortcoming, we developed an intervention that shared weekly real-time adherence feedback to youth in Uganda using short message services (SMS), based on information tracked by an electronic device (Wisepill). We present results from 7 formative and 6 exit focus groups (FGs) in Mulago and Entebb…

  • Cost-Effectiveness of Peer-Delivered HIV Self-Tests for MSM in Uganda

    Open Access•Stephen Okoboi, Barbara Castelnuovo et al.•ARTICLE•Frontiers in Public Health•2021

    Introduction: Distribution of HIV self-testing (HIVST) kits through MSM peer networks is a novel and effective strategy to increase HIV testing coverage in this high-risk population. No study has evaluated the cost or cost effectiveness of peer distribution of HIVST strategies among MSM in sub-Saharan Africa. Methods: From June to August 2018, we conducted a pilot study of secondary MSM peer HIVST kit distribution at The AIDS Support Organization…

  • Adherence monitoring methods to measure virological failure in people living with HIV on long-term antiretroviral therapy in Uganda

    Open Access•Stephen Okoboi, Joseph Musaazi et al.•ARTICLE•PLOS Global Public Health•2022

    Appointment keeping and self-report within 7-day or and 30-days recall periods are non-objective measures of antiretroviral treatment (ART) adherence. We assessed incidence of virological failure (VF), predictive performance and associations of these adherence measures with VF among adults on long-term ART. Data for persons initiated on ART between April 2004 and April 2005, enrolled in a long-term ART cohort at 10-years on ART (baseline) and fol…

  • Adaptations to HIV services delivery amidst the Covid-19 pandemic restrictions in Kampala, Uganda

    Open Access•Jonathan Izudi, Agnes Kiragga et al.•ARTICLE•PLOS Global Public Health•2022

    The enforcement of the coronavirus disease (COVID-19) pandemic restrictions disrupted health services delivery and currently, there is a limited understanding regarding measures employed by health facilities to ensure delivery of human immunodeficiency virus (HIV) services amidst the interruptions. We, therefore, designed a qualitative study to explore the measures for continuity of HIV services during the COVID-19 pandemic restrictions in Kampal…

  • Factors associated with provision of physical activity in primary schools in Makindye Division in Kampala, Uganda

    Open Access•Lena Mpalampa, Stephen Okoboi et al.•ARTICLE•BMC Public Health•2023

    Only 22% of sampled schools offered sufficient time for PA among Primary schools in Kampala per WHO guidelines. Provision of sufficient time for PA was associated with PE scheduled either after break or lunch. Sufficient PA was more likely with schools that had space for PA, schools which offered volleyball and athletics, and whose fees were 700,000/= or more. Schools should consider scheduling PE lessons after break or after lunch to increase th…

  • Building Capacity for Research Ethics Committees in Uganda

    Open Access•Provia Ainembabazi, Barbara Castelnuovo et al.•ARTICLE•Journal of Empirical Research on…•2023

    Timely communication from Research Ethics Committees (REC) to researchers is essential to meet deadlines. We conducted a capacity building program for REC members, REC and research administrators, and researchers from seven RECs in Uganda in order to improve the research regulatory approval cycle. The training was delivered from March 2020 to July 2021. Trainees were evaluated using pre and post-training tests. There was an increase in the averag…

  • Characteristics of Received HIV Prevention Advocacy from Persons Living with HIV in Uganda, and Associations with HIV Testing and Condom Use Among Social Network Members

    Open Access•Glenn J Wagner, Laura M Bogart et al.•ARTICLE•AIDS and Behavior•2024

    Receiving peer advocacy has been shown to result in increased HIV protective behaviors, but little research has gone beyond assessment of the mere presence of advocacy to examine aspects of advocacy driving these effects. With baseline data from a controlled trial of an advocacy training intervention, we studied characteristics of HIV prevention advocacy received among 599 social network members of persons living with HIV in Uganda and the associ…

  • Barriers and facilitators of adherence to long-term antiretroviral treatment in Kampala, Uganda

    Open Access•Stephen Okoboi, Andrew Mujugira et al.•ARTICLE•PLOS Global Public Health•2025

    Few qualitative studies have evaluated adherence to long-term antiretroviral treatment (ART) in sub-Saharan Africa. We explored adherence barriers and facilitators among PLWH on long-term ART (≥10 years in Kampala)., We conducted 22 in-depth interviews with 16 purposively selected PLWHs on long-term ART and six purposively selected healthcare providers at the Infectious Diseases Institute ART clinic.,. Interviews with PLWH explored their perspect…

  • Randomized Controlled Trial of Game Changers, a Social Network Intervention for HIV Prevention in Uganda

    Open Access•Laura M Bogart, Joseph K B Matovu et al.•ARTICLE•AIDS and Behavior•2025

    In Uganda, where HIV prevalence remains above 5% among those aged 15 and older, we conducted a randomized controlled trial of Game Changers, an 8-session peer-facilitated group intervention that empowers people living with HIV (PLHIV) to engage in HIV prevention advocacy with their social network members ("alters"). A total of 210 index PLHIV participants (105 intervention, 105 control) and 599 alters were enrolled; assessments were conducted at …

  • Strengthening capacity for clinical trial monitoring in the East African community

    Open Access•Belinda Twesigye, Mathius Amperiize et al.•ARTICLE•BMC Medical Education•2026

    BACKGROUND: The expanding volume and increasing complexity of clinical research in East Africa, driven by emerging and re-emerging infectious diseases, has increased the need for strong regulatory monitoring systems. Clinical trials must be monitored to ensure regulatory compliance and participant safety. Despite strengthened regulatory and ethical frameworks in the region, gaps in trial monitoring persist due to a shortage of adequately trained …

  • Longitudinal Correlates of Internalized HIV Stigma Among Ugandan PLWH

    Open Access•N Malika, Laura M Bogart et al.•ARTICLE•AIDS and Behavior•2026

    Internalized HIV stigma, defined as negative self-perceptions among people living with HIV (PLWH) based on the societal stereotype, is a significant barrier to effective HIV prevention and care in Sub-Saharan Africa. This study examined longitudinal correlates of internalized HIV stigma among PLWH in Uganda. The sample included 105 participants (mean age = 39.3 years (SD = 10.5); 69.5% women). Surveys were conducted at baseline, and 6, 12, and 18…

  • HIV Disclosure and Prevention Advocacy Partially Mediate Advocacy Training Intervention Effect on Reduced Internalized HIV Stigma

    Open Access•Glenn J Wagner, Laura M Bogart et al.•ARTICLE•AIDS and Behavior•2026

    Reduction of internalized HIV stigma is key to increasing HIV disclosure and engagement in peer advocacy for HIV prevention—and these latter processes may also be important for making further inroads into minimizing stigma. We examined mediators of the effect of a peer advocacy training intervention, Game Changers for HIV Prevention (GC-HIV), on reduced internalized HIV stigma among persons living with HIV (PLWH) in Uganda. A randomized controlle…

HIV/AIDS Research and Interventions (11 works) · Medicine (11 works) · Public health (8 works) · Family medicine (7 works) · Nursing (7 works) · Adolescent Sexual and Reproductive Health (6 works) · Biostatistics (4 works) · Environmental health (4 works) · Health psychology (4 works) · HIV, Drug Use, Sexual Risk (4 works)

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