Publications by authors named "Kouame A"

Large-scale and detailed analyses of activity in the United States (US) remain limited. In this work, we leveraged the comprehensive wearable, demographic, and survey data from the All of Us Research Program, the largest and most diverse population health study in the US to date, to apply and extend the previous global findings on activity inequality within the context of the US. We found that daily steps differed by sex at birth, age, body characteristics, geography, and built environment.

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  • Healthcare workers in Abidjan's university hospitals are at risk for vaccine-preventable diseases, prompting a study aimed at improving vaccination rates among them.
  • A descriptive cross-sectional study surveyed 1,017 healthcare workers to assess their vaccination coverage and demographics, revealing a diverse group mostly made up of physicians with an average age of 36.
  • Results showed low vaccination rates for various diseases, indicating the need for a comprehensive vaccination policy to enhance protection for healthcare workers.
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  • The study aims to analyze the occurrence of occupational accidents at a cashew nut processing plant in Côte d'Ivoire during 2022.
  • A total of 211 accidents were recorded, with a notable majority involving women (77%) and most accidents occurring among huskers and day laborers, particularly those without social security.
  • The most common types of injuries included superficial trauma, burns, and eye injuries, emphasizing the need for better safety measures and the use of personal protective equipment to prevent future incidents.
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Acute malnutrition (AM) causes large loss of life and disability in children in Africa. Researchers are testing innovative approaches to increase efficiency of treatment programs. This paper presents results of a cost-effectiveness analysis of one such program in the Democratic Republic of the Congo (DRC) based on a secondary analysis of a randomized controlled trial Optimizing Treatment for Acute Malnutrition (OptiMA), conducted in DRC in 2018-20.

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Observational studies suggest a reduction in fatal or severe COVID-19 disease with the use of ACE2 inhibitors and statins. We implemented a randomized controlled tree-arm open label trial evaluating the benefits of adding telmisartan (TLM) or atorvastatin (ATV) to lopinavir boosted ritonavir (LPVr) on the SARS-CoV-2 nasopharyngeal viral load in patients with mild / moderate COVID-19 infection in Côte d'Ivoire. RT-PCR positive COVID-19 patients ≥ 18 years, with general or respiratory symptoms for less than 7 days were randomized (1:1:1) to receive LPVr (400 mg/100 mg twice daily), LPVr + TLM (10 mg once daily) or LPVr + ATV (20 mg once daily) for 10 days.

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The fall armyworm, (Lepidoptera: Noctuidae), is a polyphagous pest highly damaging to maize and other food crops in Africa, particularly in Côte d'Ivoire. Chemical pesticides not only have often proved to be unsuccessful, but cause adverse effects on the environment and human health; therefore, entomopathogenic fungi could represent an alternative biocontrol solution. Against this background, fungi were isolated from soil samples collected in maize fields in three regions of Côte d'Ivoire, by the methods of soil dilution and baiting with .

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Background: Current standard management of severe acute malnutrition uses ready-to-use therapeutic food (RUTF) at a single weight-based calculation resulting in an increasing amount of RUTF provided to the family as the child's weight increases during recovery. Using RUTF at a gradually reduced dosage as the child recovers could reduce costs while achieving similar growth response.

Methods: We conducted an open-label, non-inferiority, randomised controlled trial in the Democratic Republic of the Congo.

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In response to the rapidly evolving coronavirus disease 2019 (COVID-19) pandemic, the All of Us Research Program longitudinal cohort study developed the COVID-19 Participant Experience (COPE) survey to better understand the pandemic experiences and health impacts of COVID-19 on diverse populations within the United States. Six survey versions were deployed between May 2020 and March 2021, covering mental health, loneliness, activity, substance use, and discrimination, as well as COVID-19 symptoms, testing, treatment, and vaccination. A total of 104,910 All of Us Research Program participants, of whom over 73% were from communities traditionally underrepresented in biomedical research, completed 275,201 surveys; 9,693 completed all 6 surveys.

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Background: Few assessments of associations between structural-level factors and HIV among gay men and other men who have sex with men (MSM) have been conducted, especially in sub-Saharan Africa. Our objective was to examine HIV testing history, HIV status, and stigmas among MSM living in ten countries with heterogeneous legal environments.

Methods: This study used pooled data from ten country-specific, cross-sectional studies done in 25 sites in Burkina Faso, Cameroon, Côte d'Ivoire, The Gambia, Guinea-Bissau, Nigeria, Senegal, Eswatini, Rwanda, and Togo.

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Introduction: Musculoskeletal disorders are the most common occupational disease in the world. They constitute a major health problem.

Methods: A cross-sectional study was carried out over a period of three months involving the secretaries of the Yopougon University Hospital.

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The National Institutes of Health's (NIH) All of Us Research Program aims to enroll at least one million US participants from diverse backgrounds; collect electronic health record (EHR) data, survey data, physical measurements, biospecimens for genomics and other assays, and digital health data; and create a researcher database and tools to enable precision medicine research [1]. Since inception, digital health technologies (DHT) have been envisioned as essential to achieving the goals of the program [2]. A "bring your own device" (BYOD) study for collecting Fitbit data from participants' devices was developed with integration of additional DHTs planned in the future [3].

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Context: Prior studies of the relationship between physical activity and incident type 2 diabetes mellitus (T2DM) relied primarily on questionnaires at a single time point.

Objective: We sought to investigate the relationship between physical activity and incident T2DM with an innovative approach using data from commercial wearable devices linked to electronic health records in a real-world population.

Methods: Using All of Us participants' accelerometer data from their personal Fitbit devices, we used a time-varying Cox proportional hazards models with repeated measures of physical activity for the outcome of incident T2DM.

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Accurate, highly specific immunoassays for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are needed to evaluate seroprevalence. This study investigated the concordance of results across four immunoassays targeting different antigens for sera collected at the beginning of the SARS-CoV-2 pandemic in the United States. Specimens from All of Us participants contributed between January and March 2020 were tested using the Abbott Architect SARS-CoV-2 IgG (immunoglobulin G) assay (Abbott) and the EuroImmun SARS-CoV-2 enzyme-linked immunosorbent assay (ELISA) (EI).

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Background: Global access to acute malnutrition treatment is low. Different programmes using different nutritional products manage cases of severe acute malnutrition and moderate acute malnutrition separately. We aimed to assess whether integrating severe acute malnutrition and moderate acute malnutrition treatment into one programme, using a single nutritional product and reducing the dose as the child improves, could achieve similar or higher individual efficacy, increase coverage, and minimise costs compared with the current programmes.

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Introduction: Musculoskeletal disorders are the most common occupational disease in the world. They constitute a major health problem.

Methods: A cross-sectional study was carried out over a period of three months involving the secretaries of the Yopougon University Hospital.

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Background: With limited severe acute respiratory syndrome coronavirus (SARS-CoV-2) testing capacity in the United States at the start of the epidemic (January-March 2020), testing was focused on symptomatic patients with a travel history throughout February, obscuring the picture of SARS-CoV-2 seeding and community transmission. We sought to identify individuals with SARS-CoV-2 antibodies in the early weeks of the US epidemic.

Methods: All of Us study participants in all 50 US states provided blood specimens during study visits from 2 January to 18 March 2020.

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Background Although people who use drugs (PWUD) are a high-risk group for tuberculosis (TB), there is practically no data on TB prevalence in Ivory Coast. The aim of the study was to estimate pulmonary TB prevalence and assess the cascade of care with confirmed pulmonary TB (TB+) among PWUD in Abidjan. Methods The study targeted adult people who had used heroin and/or cocaine/crack in the previous six months.

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Article Synopsis
  • Epidemiological data revealed that by age 18-19, a significant portion of young women selling sex in Southern, Central, and West Africa are living with HIV, highlighting a critical public health concern.
  • A sharp increase in HIV prevalence was noted in early adulthood, yet antiretroviral therapy (ART) coverage remained low across all age groups.
  • Young women aged 18-19 showed significantly lower rates of prior HIV testing, awareness of their HIV status, and ART use compared to women aged 25 and older, indicating a need for improved access to HIV services for this demographic.*
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In traditional West African medicine, most practitioners are illiterate for official languages. 1127 local languages exist in this region. The transmission of knowledge in this traditional medicine is notoriously oral.

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Globally HIV incidence is slowing, however HIV epidemics among sex workers are stable or increasing in many settings. While laws governing sex work are considered structural determinants of HIV, individual-level data assessing this relationship are limited. In this study, individual-level data are used to assess the relationships of sex work laws and stigmas in increasing HIV risk among female sex workers, and examine the mechanisms by which stigma affects HIV across diverse legal contexts in countries across sub-Saharan Africa.

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Overcoming stigma affecting gay, bisexual, and other men who have sex with men (MSM) is a foundational element of an effective response to the human immunodeficiency virus (HIV) pandemic. Quantifying the impact of stigma mitigation interventions necessitates improved measurement of stigma for MSM around the world. In this study, we explored the underlying factor structure and psychometric properties of 13 sexual behavior stigma items among 10,396 MSM across 8 sub-Saharan African countries and the United States using cross-sectional data collected between 2012 and 2016.

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Purpose: HIV prevalence has been previously estimated among cisgender men who have sex with men (MSM) in Côte d'Ivoire; however, limited data exist relating to the role of social cohesion and gender identity within this population. This study aims to examine these factors as risk determinants of HIV among MSM in Côte d'Ivoire.

Methods: We conducted a cross-sectional study using respondent-driven sampling for recruitment with a structured sociobehavioral instrument and testing for HIV.

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Attiéké is the major fermented plant food in Côte d'Ivoire. The aim of this study was to identify hazards and critical control points (CCP) in order to implement a HACCP system for the production of attiéké. Physico-chemical and microbiological analyses were carried out.

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Côte d'Ivoire has among the most generalized HIV epidemics in West Africa with an estimated half million people living with HIV. Across West Africa, key populations, including gay men and other men who have sex with men (MSM), are often disproportionately burdened with HIV due to specific acquisition and transmission risks. Quantifying population sizes of MSM at the subnational level is critical to ensuring evidence-based decisions regarding the scale and content of HIV prevention interventions.

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Purpose: Transgender women (TGW) and cisgender men who have sex with men (cisMSM) across sub-Saharan Africa experience health inequalities relative to other adults. Recent research has also revealed health inequalities between these often-conflated groups. Among TGW and cisMSM in Côte d'Ivoire, we sought to determine whether transgender female identity was associated with probable depression, and whether sexual behavior stigma mediated this association.

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