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Issifou Yaya

Biographic Data

ID7693341
NAMEIssifou Yaya
GIVEN NAMESIssifou
FAMILY NAMEYaya
SIGNATUREYAYA I
AFFILIATIONSInserm
ORCID0000-0002-2554-6515
VERIFIEDYes
TOTAL WORKS18
TOTAL CITATIONS0
AUTHOR COUNT18
EDITOR COUNT0
FIRST PUBLICATION YEAR2011
LATEST PUBLICATION YEAR2026
H-INDEX0
  • Prevalence, patterns, and associated factors of psychoactive substance use among people living with HIV in Lomé, Togo

    Open Access•Issifou Yaya, Panawé Kassang et al.•ARTICLE•BMC Public Health•2026

    Psychoactive substance (PAS) use among people living with HIV (PLHIV) can adversely affect treatment adherence, disease progression, and mental health. Despite growing concern, there is limited data on the prevalence and correlates of substance use in this population in Togo. This study aimed to assess the prevalence, patterns, and associated factors of PAS use among PLHIV in Lomé. A cross-sectional survey was conducted between August and October…

  • Correlates of mental health of people living with HIV co-infected with Sars-CoV-2

    Open Access•Issifou Yaya, Yvenie Amboise et al.•ARTICLE•Frontiers in Psychiatry•2025

    The mental health is a challenging issue among the participants and needs to be closely monitored among people already affected by a chronic disease such as HIV. The findings underscore the urgent need for targeted support and interventions tailored to address the mental health needs of PLWHA facing the dual burden of HIV/AIDS and COVID-19

  • Prevalence and associated factors of condomless sex among adolescents and young adults in Liberia

    Open Access•Mathias Kouamé N’Dri, Kouamé Mathias N’Dri et al.•ARTICLE•BMC Public Health•2025

    The study shows a high prevalence of condomless sex in Liberia. Condom promotion strategies must take into account individual and contextual factors such as gender and regional inequalities

  • Predictors of health-related quality of life in a large cohort of adult patients living with sickle cell disease in France

    Open Access•Issifou Yaya, Adrien Pourageaud et al.•ARTICLE•Frontiers in Public Health•2024

    Background Sickle cell disease (SCD) is an inherited autosomal recessive disorder exhibiting a range of symptoms and acute and/or chronic complications that affect the quality of life. This study aimed to assess health-related quality of life (HRQoL) and to identify the associated factors in adult patients with SCD in France. Methods DREPAtient is a cross-sectional, multicenter study conducted from June 2020 to April 2021 in France and in certain…

  • Perceived health-related quality of life in people living with HIV co-infected with Sars-CoV-2 in France

    Open Access•Yvenie Amboise, Issifou Yaya et al.•ARTICLE•Quality of Life Research•2024

    mean (SD) scores for HRQL dimensions: 76.7 (± 21.1) for Physical Health and Symptoms (PHS), 79.2 (± 23.6) for Social Relationships (SR), 67.3 (± 27.4) for Mental and Cognitive (MC), and 83.9 (± 16.5) for Treatment Impact (TI). Employment status and COVID-19 knowledge were associated with higher PHS score, while blood transfusion-acquired HIV, CDC HIV, hospital discharge instructions, and self-reported symptoms were associated with lower PHS score…

  • Socio-behavioral correlates of pre-exposure prophylaxis use and correct adherence in men who have sex with men in West Africa

    Open Access•August Eubanks, Bakary Coulibaly et al.•ARTICLE•BMC Public Health•2022

    Community-based clinic attendance and PE contact outside of scheduled visits were both associated with higher PrEP engagement, but some socially and economically marginalized participants struggled with adherence. As scale-up continues in West Africa, we recommend implementing community-based interventions and providing extra support for vulnerable users to ensure adequate PrEP engagement

  • Rate and Predictors of Ineffective HIV Protection in African Men Who Have Sex with Men Taking Pre-Exposure Prophylaxis

    Open Access•August Eubanks, Bakary Coulibaly et al.•ARTICLE•AIDS and Behavior•2022

  • Risk Prediction Score for Screening Asymptomatic Sexually Transmitted Infections in HIV-positive French Men Who Have Sex with Men (ANRS 9520 DRIVER)

    Martin Duracinsky, Svetlane Dimi et al.•ARTICLE•American Journal of Health Behavior•2022

    As this predictive score is not designed to be diagnostic, but to provide indications for diagnostic tests, its ease of administration and sensitivity remain the most important features. Its use in clinical practice for early detection of asymptomatic STIs potentially can reinforce STI primary and secondary prevention

  • Adherence to quarterly HIV prevention services and its impact on HIV incidence in men who have sex with men in West Africa (CohMSM ANRS 12324 – Expertise France)

    Open Access•Ter Tiero Elias Dah, Issifou Yaya et al.•ARTICLE•BMC Public Health•2021

    ClinicalTrials.gov, number NCT02626286 (December 10, 2015)

  • Screening and care for alcohol use disorder in France

    Open Access•Marie Costa, Tangui Barré et al.•ARTICLE•BMC Public Health•2020

    These results underline the need for interventions targeting families and the social network to increase awareness about AUD and related care. Simplified and novel comprehensive care trajectories are urgently needed to reduce the clinical and public health burden of AUD

  • Prevalence and risk factors of anemia in children aged from 6 to 59 months in Togo

    Open Access•Aboubakari Nambiema, Julien Calmand et al.•ARTICLE•BMC Public Health•2019

    This study has highlighted the high prevalence of childhood anemia in Togo and revealed that younger children and maternal anemia were positively associated to childhood anemia whereas age of children and high level of maternal education were negatively associated to childhood anemia

  • HCV-Related Mortality Among HIV/HCV Co-infected Patients

    Open Access•Melina Érica Santos, Camelia Protopopescu et al.•ARTICLE•AIDS and Behavior•2019

  • Incomplete immunization among children aged 12–23 months in Togo

    Open Access•Didier Koumavi Ekouévi, Fifonsi Adjidossi Gbeasor‐Komlanvi et al.•ARTICLE•BMC Public Health•2018

    The goal of 90% coverage at the national level has not been achieved in 2017. Innovative strategies such as using electronic cards and strengthening sensitization activities must be initiated in order to attain a complete immunization coverage in Togo

  • Prevalence of syphilis among female sex workers and their clients in Togo in 2011

    Open Access•Wemboo Afiwa Halatoko, Dadja Essoya Landoh et al.•ARTICLE•BMC Public Health•2017

    This study showed that: i) the prevalence of syphilis among FSWs and their clients was high; ii) syphilis was significantly associated with HIV infection. It is necessary to increase awareness campaigns and emphasize on condom use among this key population group

  • Predictors of incomplete immunization coverage among one to five years old children in Togo

    Open Access•Dadja Essoya Landoh, Farihétou Ouro-kavalah et al.•ARTICLE•BMC Public Health•2016

    The incomplete immunization coverage among children in Togo remains high. It is necessary to strengthen health promotion among the population in order to improve the use of immunization services that are essential to reduce morbidity and mortality among under five years old children

  • Predictors of adherence to antiretroviral therapy among people living with HIV and Aids at the regional hospital of Sokodé, Togo

    Open Access•Issifou Yaya, Dadja Essoya Landoh et al.•ARTICLE•BMC Public Health•2014

    Although the level of adherence to ART in this study was higher than those reported in some studies in Sub-Saharan Africa, it remains sub-optimal and needs improvement. This may therefore hinder the implementation of efficient interventions related to access to ART services

  • Sexual risk behavior among people living with HIV and Aids on antiretroviral therapy at the regional hospital of Sokodé, Togo

    Open Access•Issifou Yaya, Bayaki Saka et al.•ARTICLE•BMC Public Health•2014

    There was a high prevalence of unsafe sex among PLWHA receiving ART at the hospital of Sokodé. Factors associated with sexual risk behaviors were: low education level, non-adherence to ART, alcohol consumption before sex and the duration of ART. It is important to strengthen the implementation of secondary prevention strategies among this population group

  • Napoleon as lawgiver

    Issifou Yaya•ARTICLE•French History•2011

    In the early years of the nineteenth century, Napoleon instigated a series of institutional and political reforms intended to actualize social and moral regeneration in France. In doing so, he conceived of his role as preceptor of the nation through the political writings of the Enlightenment. With its biblical and ancient references, this literature revived the figure of the ideal legislator in response to a weakened divine-right monarchy. The p…

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  • Napoleon as lawgiver

    Issifou Yaya•ARTICLE•French History•2011

    In the early years of the nineteenth century, Napoleon instigated a series of institutional and political reforms intended to actualize social and moral regeneration in France. In doing so, he conceived of his role as preceptor of the nation through the political writings of the Enlightenment. With its biblical and ancient references, this literature revived the figure of the ideal legislator in response to a weakened divine-right monarchy. The p…

  • Predictors of adherence to antiretroviral therapy among people living with HIV and Aids at the regional hospital of Sokodé, Togo

    Open Access•Issifou Yaya, Dadja Essoya Landoh et al.•ARTICLE•BMC Public Health•2014

    Although the level of adherence to ART in this study was higher than those reported in some studies in Sub-Saharan Africa, it remains sub-optimal and needs improvement. This may therefore hinder the implementation of efficient interventions related to access to ART services

  • Sexual risk behavior among people living with HIV and Aids on antiretroviral therapy at the regional hospital of Sokodé, Togo

    Open Access•Issifou Yaya, Bayaki Saka et al.•ARTICLE•BMC Public Health•2014

    There was a high prevalence of unsafe sex among PLWHA receiving ART at the hospital of Sokodé. Factors associated with sexual risk behaviors were: low education level, non-adherence to ART, alcohol consumption before sex and the duration of ART. It is important to strengthen the implementation of secondary prevention strategies among this population group

  • Predictors of incomplete immunization coverage among one to five years old children in Togo

    Open Access•Dadja Essoya Landoh, Farihétou Ouro-kavalah et al.•ARTICLE•BMC Public Health•2016

    The incomplete immunization coverage among children in Togo remains high. It is necessary to strengthen health promotion among the population in order to improve the use of immunization services that are essential to reduce morbidity and mortality among under five years old children

  • Prevalence of syphilis among female sex workers and their clients in Togo in 2011

    Open Access•Wemboo Afiwa Halatoko, Dadja Essoya Landoh et al.•ARTICLE•BMC Public Health•2017

    This study showed that: i) the prevalence of syphilis among FSWs and their clients was high; ii) syphilis was significantly associated with HIV infection. It is necessary to increase awareness campaigns and emphasize on condom use among this key population group

  • Incomplete immunization among children aged 12–23 months in Togo

    Open Access•Didier Koumavi Ekouévi, Fifonsi Adjidossi Gbeasor‐Komlanvi et al.•ARTICLE•BMC Public Health•2018

    The goal of 90% coverage at the national level has not been achieved in 2017. Innovative strategies such as using electronic cards and strengthening sensitization activities must be initiated in order to attain a complete immunization coverage in Togo

  • Prevalence and risk factors of anemia in children aged from 6 to 59 months in Togo

    Open Access•Aboubakari Nambiema, Julien Calmand et al.•ARTICLE•BMC Public Health•2019

    This study has highlighted the high prevalence of childhood anemia in Togo and revealed that younger children and maternal anemia were positively associated to childhood anemia whereas age of children and high level of maternal education were negatively associated to childhood anemia

  • HCV-Related Mortality Among HIV/HCV Co-infected Patients

    Open Access•Melina Érica Santos, Camelia Protopopescu et al.•ARTICLE•AIDS and Behavior•2019

  • Screening and care for alcohol use disorder in France

    Open Access•Marie Costa, Tangui Barré et al.•ARTICLE•BMC Public Health•2020

    These results underline the need for interventions targeting families and the social network to increase awareness about AUD and related care. Simplified and novel comprehensive care trajectories are urgently needed to reduce the clinical and public health burden of AUD

  • Adherence to quarterly HIV prevention services and its impact on HIV incidence in men who have sex with men in West Africa (CohMSM ANRS 12324 – Expertise France)

    Open Access•Ter Tiero Elias Dah, Issifou Yaya et al.•ARTICLE•BMC Public Health•2021

    ClinicalTrials.gov, number NCT02626286 (December 10, 2015)

  • Socio-behavioral correlates of pre-exposure prophylaxis use and correct adherence in men who have sex with men in West Africa

    Open Access•August Eubanks, Bakary Coulibaly et al.•ARTICLE•BMC Public Health•2022

    Community-based clinic attendance and PE contact outside of scheduled visits were both associated with higher PrEP engagement, but some socially and economically marginalized participants struggled with adherence. As scale-up continues in West Africa, we recommend implementing community-based interventions and providing extra support for vulnerable users to ensure adequate PrEP engagement

  • Rate and Predictors of Ineffective HIV Protection in African Men Who Have Sex with Men Taking Pre-Exposure Prophylaxis

    Open Access•August Eubanks, Bakary Coulibaly et al.•ARTICLE•AIDS and Behavior•2022

  • Risk Prediction Score for Screening Asymptomatic Sexually Transmitted Infections in HIV-positive French Men Who Have Sex with Men (ANRS 9520 DRIVER)

    Martin Duracinsky, Svetlane Dimi et al.•ARTICLE•American Journal of Health Behavior•2022

    As this predictive score is not designed to be diagnostic, but to provide indications for diagnostic tests, its ease of administration and sensitivity remain the most important features. Its use in clinical practice for early detection of asymptomatic STIs potentially can reinforce STI primary and secondary prevention

  • Predictors of health-related quality of life in a large cohort of adult patients living with sickle cell disease in France

    Open Access•Issifou Yaya, Adrien Pourageaud et al.•ARTICLE•Frontiers in Public Health•2024

    Background Sickle cell disease (SCD) is an inherited autosomal recessive disorder exhibiting a range of symptoms and acute and/or chronic complications that affect the quality of life. This study aimed to assess health-related quality of life (HRQoL) and to identify the associated factors in adult patients with SCD in France. Methods DREPAtient is a cross-sectional, multicenter study conducted from June 2020 to April 2021 in France and in certain…

  • Perceived health-related quality of life in people living with HIV co-infected with Sars-CoV-2 in France

    Open Access•Yvenie Amboise, Issifou Yaya et al.•ARTICLE•Quality of Life Research•2024

    mean (SD) scores for HRQL dimensions: 76.7 (± 21.1) for Physical Health and Symptoms (PHS), 79.2 (± 23.6) for Social Relationships (SR), 67.3 (± 27.4) for Mental and Cognitive (MC), and 83.9 (± 16.5) for Treatment Impact (TI). Employment status and COVID-19 knowledge were associated with higher PHS score, while blood transfusion-acquired HIV, CDC HIV, hospital discharge instructions, and self-reported symptoms were associated with lower PHS score…

  • Correlates of mental health of people living with HIV co-infected with Sars-CoV-2

    Open Access•Issifou Yaya, Yvenie Amboise et al.•ARTICLE•Frontiers in Psychiatry•2025

    The mental health is a challenging issue among the participants and needs to be closely monitored among people already affected by a chronic disease such as HIV. The findings underscore the urgent need for targeted support and interventions tailored to address the mental health needs of PLWHA facing the dual burden of HIV/AIDS and COVID-19

  • Prevalence and associated factors of condomless sex among adolescents and young adults in Liberia

    Open Access•Mathias Kouamé N’Dri, Kouamé Mathias N’Dri et al.•ARTICLE•BMC Public Health•2025

    The study shows a high prevalence of condomless sex in Liberia. Condom promotion strategies must take into account individual and contextual factors such as gender and regional inequalities

  • Prevalence, patterns, and associated factors of psychoactive substance use among people living with HIV in Lomé, Togo

    Open Access•Issifou Yaya, Panawé Kassang et al.•ARTICLE•BMC Public Health•2026

    Psychoactive substance (PAS) use among people living with HIV (PLHIV) can adversely affect treatment adherence, disease progression, and mental health. Despite growing concern, there is limited data on the prevalence and correlates of substance use in this population in Togo. This study aimed to assess the prevalence, patterns, and associated factors of PAS use among PLHIV in Lomé. A cross-sectional survey was conducted between August and October…

Medicine (16 works) · Internal Medicine (13 works) · Public health (13 works) · Biostatistics (11 works) · Environmental health (11 works) · Human immunodeficiency virus (HIV (10 works) · Demography (9 works) · Demography (9 works) · Epidemiology (9 works) · HIV/AIDS Research and Interventions (9 works)

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