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David Villarreal-Zegarra, MPH

Research Director, Digital Health Research Center

Research Associate, Instituto Peruano de Orientación Psicológica

About

Degree in psychology at the National University of San Marcos. Master in Public Health and Global Health at the Universidad Peruana Cayetano Heredia. Graduate Research Assistant at the University of Utah in the United States. Associated researcher of the Instituto Peruano de Orientación Psicológica. Editor of Interacciones: Journal of familial, clinical and health psychology. I have worked in different public institutions to carry out evaluations of public health policies and analysis of large databases to assess compliance with health objectives in the National Center for Occupational Health and Environmental Protection for Health (CENSOPAS) of the National Institute of Health (INS) and the National Superintendence of Health (SUSALUD). My main areas of research are digital interventions to improve mental health and mental health epidemiology.

Experience

Graduate Research Assistant

University of Utah, Department of Biomedical Informatics · Full-time

I focus on the development and evaluation of conversational agents (chatbots) based on large language models (LLMs) to address mental health issues such as depression, anxiety, and smoking cessation. I have designed and conducted chatbot testing aimed at improving performance metrics, workflow, usability, and the effectiveness of mental health services through the use of Artificial Intelligence (AI). Additionally, I have actively contributed to the writing of scientific papers, as well as presentations and conferences in the field of biomedical informatics.

Research Director

Digital Health

I am responsible for developing and leading collaborative, multidisciplinary research projects focused on digital mental health, particularly those involving conversational agents powered by large language models. Additionally, I write and submit proposals for national and international competitive funding opportunities. Among the projects I have worked on, we focus on the development and implementation of AI-driven conversational agents for mental health, exploring their potential for self-managed interventions and improving access to mental health care.

Editor-in-Chief, Interacciones

Interacciones · Full-time

Responsible for editorial policy review, Open Journal System management, and initial manuscript review. I am responsible for the scientific soundness of the journal. Additionally, I am responsible for coordinating with the other associate editors on the editorial process for publishing scientific articles. Full editorial team at: https://revistainteracciones.com/

Instituto Peruano de Orientación Psicológica

Associate Researcher · Full-time

I lead high-impact research teams. Within our research projects, we work in an interdisciplinary manner and collaborate with teams from various countries to develop high-impact research projects. Our studies are published in international journals indexed in the Web of Science and SCOPUS (Q1). Additionally, we develop institutional policies to strengthen our research team. During my tenure, we have published more than 30 studies in indexed journals, positioned our scientific journal in SciELO Peru, and been recognized as an accredited research center by CONCYTEC.

Associate Researcher

I am responsible for developing and leading collaborative and multidisciplinary research projects in mental health and digital mental health. I have extensive experience in publishing scientific articles in journals indexed on the Web of Science and SCOPUS. Additionally, we write and submit proposals for national and international competitive funding opportunities. Among the projects we have been working on is the epidemiology of mental health problems in Latin America and the development of self-managed mental health interventions using AI.

Public Health Specialist

Superintendencia Nacional de Salud - SUSALUDPerú · Full-time

Analysing data on the performance of the public and private health systems in Peru. Writing scientific articles. Designing and proposing public policies.

Researcher

Instituto Nacional de Salud · Full-time

We develop mental health research in occupational contexts at the national level. Mainly in projects on physical and mental health sequelae in post-COVID-19 workers. In addition, we have developed systematic reviews on occupational and mental health issues. During my tenure, we have won research awards in CONCYTEC-PROCIENCIA (principal investigator).

Research Assistant

Universidad Peruana Cayetano Heredia · Full-time

The main activities are manuscript writing, data analysis, and coordination with field workers. Also, writing proposals to apply for funding. Within CRONICAS I was able to work together with researchers from different parts of the world. Among the most important experiences are traveling to Singapore and India for the development of international research projects.

Clinical Psychology Internship

Instituto Nacional de Salud del Niño · Full-time

President of the Origins Study Group UNMSM - Faculty of Psychology

Universidad Nacional Mayor de San Marcos

Coordination of scientific events and management of research commissions.

Education

Doctor of Philosophy - PhD, Biomedical Informatics

University of Utah School of Medicine

Doctoral-level degree with a main project focused on the development and evaluation of conversational agents (chatbots) based on large language models for mental health issues (e.g., depression, anxiety, smoking cessation).

Master of Public Health - MPH, Public Health and Global Health

Universidad Peruana Cayetano Heredia

Master's degree in Public Health and Global Health, with a focus on health system analysis, particularly in low- and middle-income countries, epidemiological analysis, and advanced data analysis. My thesis focused on population-level analysis of mental health related to chronic diseases.

Degree in Psychology - BSc, Psychology

Universidad Nacional Mayor de San Marcos

Bachelor’s degree in Psychology. Skills in clinical interviewing, psychological assessment, and psychotherapeutic care for mental health issues. The program focused on training in quantitative and qualitative research methods in mental health.

Honors & awards

GBD Senior Collaborator

Issued by Institute for Health Metrics and Evaluation, University of Washington · Oct 2025

AMIA LEAD Fund Trainee Awardees

Issued by American Medical Informatics Association · Sep 2025

I was selected for the AMIA LEAD Fund Trainee & Early Career Scholarship 2025, awarded by the American Medical Informatics Association (AMIA). This support is aimed at early-career members and helps facilitate participation in the AMIA 2025 Annual Symposium.

Distinguished Researcher (RENACYT researcher)

Issued by National Council of Science, Technology, and Technological Innovation · Feb 2024

Registration code: P0034669

Distinguished graduate of the school of psychology

Issued by Universidad Nacional Mayor de San Marcos · Nov 2023

Languages

  • English — Professional working proficiency
  • Spanish — Native or bilingual proficiency
This author has a total of 64 publications. The publications listed below are automatically derived from MEDLINE/PubMed and other sources, which may result in incorrect or missing publications.
Evaluation of usability and acceptability of a Peruvian telemental health service for early assessment among vulnerable occupational workers: Mixed-method study with a user-centered design approach.
Authors: Jimmy Andreyvan Cainamarks-Alejandro, Liliana Cruz-Ausejo, Miguel Angel Burgos-Flores, Jaime Rosales-Rimache, Jonh Astete-Cornejo, David Villarreal-Zegarra
Journal: PloS one
PMID: 41746956
Development and cross-cultural validation of the Family Triangulation Scale in five Latin American countries.
Authors: Gloria Vera-Ruiz, Rafael Omar Ballena-Descalzo, Maria Elena Bardales-Andrade, David R Villarreal-Huertas, Wilder Iván Lázaro-Illatopa, Gleni Quispe-Callo, Andrea Dámaso-Román, Alda Portugal, Ana Paula Relvas, Jaime Sebastián F Galán Jiménez, Javier Martínez Torres, Laura Lacomba-Trejo, Liz Stefani Rubín de Celis Chávez, Oliver Rolando Peñafiel Muñoz, Luciana Sotero, Maria Eugenia Figueroa Delgado, Nathaly Berrío García, Juan Luis Linares, Ángel Paz-Jesus, Yscenia Paredes-Gonzales, David Villarreal-Zegarra, Anthony Copez-Lonzoy
Journal: Acta psychologica
PMID: 41610703
Correction: Effectiveness, Usability, and Satisfaction of a Self-Administered Digital Intervention for Reducing Depression, Anxiety, and Stress in a University Community in the Andean Region of Peru: Randomized Controlled Trial.
Authors: Rosario Yslado-Méndez, Stefan Escobar-Agreda, David Villarreal-Zegarra, Wilfredo Manuel Trejo Flores, Junior Duberli Sánchez-Broncano, Ana Lucia Vilela-Estrada, Jovanna Hasel Olivares Córdova, C Mahony Reategui-Rivera, Claudia Alvarez-Yslado, Leonardo Rojas-Mezarina
Journal: JMIR formative research
PMID: 41428460
Effectiveness, Usability, and Satisfaction of a Self-Administered Digital Intervention for Reducing Depression, Anxiety, and Stress in a University Community in the Andean Region of Peru: Randomized Controlled Trial.
Authors: Rosario Yslado-Méndez, Stefan Escobar-Agreda, David Villarreal-Zegarra, Wilfredo Manuel Trejo Flores, Junior Duberli Sánchez-Broncano, Ana Lucia Vilela-Estrada, Jovanna Hasel Olivares Córdova, C Mahony Reategui-Rivera, Claudia Alvarez-Yslado, Leonardo Rojas-Mezarina
Journal: JMIR formative research
PMID: 41092084
Assessment of GPT-Based Conversational Agents Aimed to Reduce Healthcare Provider Stigma.
Authors: David Villarreal-Zegarra, C Mahony Reategui-Rivera, Yscenia Paredes-Gonzales, Gianfranco Centeno-Terrazas, Joseph Finkelstein
Journal: Studies in health technology and informatics
PMID: 40588869
Fluctuations in Daily Happiness and Nervousness Based on Depressive and Anxious Symptoms in Adolescents or Young Adults Across 3 Latin American Cities: Experience Sampling Study.
Authors: Ana L Vilela-Estrada, David Villarreal-Zegarra, Nikol Mayo-Puchoc, Nicola Holt, Ángela Flórez-Varela, Catherine Fung, Karen Ariza-Salazar, Fernando Luis Carbonetti, Sumiko Flores, Adriana Carbonel, Natividad Olivar, Carlos Gomez-Restrepo, Luis Ignacio Brusco, Stefan Priebe, Francisco Diez-Canseco
Journal: JMIR formative research
PMID: 40536912
Methodological and reporting quality of machine learning studies on cancer diagnosis, treatment, and prognosis.
Authors: Aref Smiley, David Villarreal-Zegarra, C Mahony Reategui-Rivera, Stefan Escobar-Agreda, Joseph Finkelstein
Journal: Frontiers in oncology
PMID: 40297817
Prevalence and Associated Factors of Mental Health Outcomes in Peruvian Healthcare Workers During the COVID-19 Pandemic: The FRONTLINE Study.
Authors: C Mahony Reategui-Rivera, David Villarreal-Zegarra, Percy Soto-Becerra, Miguel Burgos-Flores, Jaime Rosales-Rimache
Journal: Hispanic health care international : the official journal of the National Association of Hispanic Nurses
PMID: 40080850
Psychometric properties of the patient health questionnaire-8 and general anxiety disorder-7 in adolescents and young adults from three Latin American cities: Internal structure, invariance, internal consistency and divergent validity.
Authors: Ana L Vilela-Estrada, David Villarreal-Zegarra, Mauricio Toyama, Adriana Carbonel, Catherine Fung, Fernando Luis Carbonetti, Liliana Hidalgo-Padilla, Diliniya Stanislaus Sureshkumar, José Miguel Uribe-Restrepo, Natividad Olivar, Carlos Gomez-Restrepo, Luis Ignacio Brusco, Nelcy Rodríguez Malagón, Stefan Priebe, Francisco Diez-Canseco
Journal: Journal of affective disorders
PMID: 40021062
Psychometric properties of the Spanish version of the hospital anxiety and depression scale in cancer patients.
Authors: Ana L Vilela-Estrada, David Villarreal-Zegarra, Anthony Copez-Lonzoy, Loida Esenarro-Valencia, José C Sánchez-Ramírez, Fernando Lamas-Delgado, Juan Ambrosio-Melgarejo, C Mahony Reategui-Rivera, Joseph Finkelstein
Journal: Frontiers in psychology
PMID: 39944710
Exploring Artificial Intelligence Biases in Predictive Models for Cancer Diagnosis.
Authors: Aref Smiley, C Mahony Reategui-Rivera, David Villarreal-Zegarra, Stefan Escobar-Agreda, Joseph Finkelstein
Journal: Cancers
PMID: 39941776
Socioeconomic and spatial distribution of depressive symptoms and access to treatment in Peru: A repeated nationwide cross-sectional study from 2014 to 2021.
Authors: David Villarreal-Zegarra, Ali Al-Kassab-Córdova, Sharlyn Otazú-Alfaro, Baltica Cabieses
Journal: SSM - population health
PMID: 39723109
Self-Administered Interventions Based on Natural Language Processing Models for Reducing Depressive and Anxiety Symptoms: Systematic Review and Meta-Analysis.
Authors: David Villarreal-Zegarra, C Mahony Reategui-Rivera, Jackeline García-Serna, Gleni Quispe-Callo, Gabriel Lázaro-Cruz, Gianfranco Centeno-Terrazas, Ricardo Galvez-Arevalo, Stefan Escobar-Agreda, Alejandro Dominguez-Rodriguez, Joseph Finkelstein
Journal: JMIR mental health
PMID: 39167795
Cost-sharing and associated factors in the Peruvian private health care system.
Authors: Luciana Bellido-Boza, David Villarreal-Zegarra, Max Pariona-Cárdenas, Roger Carrión, Paul Valdivia-Miranda, G J Melendez-Torres
Journal: PloS one
PMID: 39121156
In-Person and Teleconsultation Services at a National Hospital in Peru: Time Series Analysis of General and Psychiatric Care Amid the COVID-19 Pandemic.
Authors: David Villarreal-Zegarra, Jackeline García-Serna, Piero Segovia-Bacilio, Nikol Mayo-Puchoc, Alba Navarro-Flores, Jeff Huarcaya-Victoria
Journal: JMIR mental health
PMID: 38976320
Telehealth in community mental health centers during the COVID-19 pandemic in Peru: A qualitative study with key stakeholders.
Authors: Rubí Paredes-Angeles, Victoria Cavero, Ana L Vilela-Estrada, Noelia Cusihuaman-Lope, David Villarreal-Zegarra, Francisco Diez-Canseco
Journal: SSM. Mental health
PMID: 38910843
Internet-based self-administered intervention to reduce anxiety and depression symptomatology and improve well-being in 7 countries: protocol of a randomized control trial.
Authors: Alejandro Dominguez-Rodriguez, Paulina Erika Herdoiza-Arroyo, Leivy Patricia González-Ramírez, Reyna Jazmín Martínez-Arriaga, David Villarreal-Zegarra, Antonio Carlos Santos da Silva, Joel Omar González-Cantero, Viviana Sylvia Vargas Salinas, Marinna S Mensorio, Adrián Antonio Cisneros Hernández, Rogéria Lourenço Dos Santos, Emilia Gabriela Nieto Ramos, Margarita Gabriela Albán-Terán, Joaquín Mateu-Mollá, Flor Rocío Ramírez-Martínez, Ana Marisa Colmenero Guadián, David Martínez-Rubio, Álvaro I Langer, Claudio Araya, Rosa Olimpia Castellanos-Vargas
Journal: Frontiers in psychology
PMID: 38774723
Prevalence and factors associated with burnout syndrome in Peruvian health professionals before the COVID-19 pandemic: A systematic review.
Authors: Rosario M Yslado Mendez, Junior Sanchez-Broncano, Gina D Mendoza Ramirez, David Villarreal-Zegarra
Journal: Heliyon
PMID: 38726126
Immersive Technologies for Depression Care: Scoping Review.
Authors: C Mahony Reategui-Rivera, David Villarreal-Zegarra, Kelly De La Cruz-Torralva, Paquita Díaz-Sánchez, Joseph Finkelstein
Journal: JMIR mental health
PMID: 38663004
Association between abdominal obesity and depressive symptoms in Peruvian women aged 18-49 years: a sub-analysis of the Demographic and Family Health Survey 2018-2019.
Authors: Sharon Leon-Zamora, David Villarreal-Zegarra, Luciana Bellido-Boza
Journal: Public health nutrition
PMID: 38605643
Psychometric properties of the GAD-7 (General Anxiety Disorder-7): a cross-sectional study of the Peruvian general population.
Authors: David Villarreal-Zegarra, Rubi Paredes-Angeles, Nikol Mayo-Puchoc, Enoc Arenas-Minaya, Jeff Huarcaya-Victoria, Anthony Copez-Lonzoy
Journal: BMC psychology
PMID: 38566138
Impact of the COVID-19 pandemic on the services provided by the Peruvian health system: an analysis of people with chronic diseases.
Authors: David Villarreal-Zegarra, Luciana Bellido-Boza, Alfonso Erazo, Max Pariona-Cárdenas, Paul Valdivia-Miranda
Journal: Scientific reports
PMID: 38351170
Effectiveness of animal-assisted therapy and pet-robot interventions in reducing depressive symptoms among older adults: A systematic review and meta-analysis.
Authors: David Villarreal-Zegarra, Teodoro Yllescas-Panta, Sofía Malaquias-Obregon, Andrea Dámaso-Román, Nikol Mayo-Puchoc
Journal: Complementary therapies in medicine
PMID: 38232905
Perception of personal protective equipment availability and mental health outcomes in workers from two national hospitals during the COVID-19 pandemic.
Authors: Alejandra B Romero-Cabrera, Ana Lindo-Cavero, David Villarreal-Zegarra, Vilma Rodriguez, Matilde L Luna-Matos, Wendoline N Rojas-Mendoza, Jeff Huarcaya-Victoria, K Vanesa Cuzcano-Gonzales, Christian Gonzales-Gavancho, Christoper A Alarcon-Ruiz
Journal: Heliyon
PMID: 38148804
Differences in family functioning before and during the COVID-19 pandemic: an observational study in Peruvian families.
Authors: Juan Carlos Bazo-Alvarez, David Villarreal-Zegarra, Wilder Iván Lázaro-Illatopa, Denisse Manrique-Millones, Miguel Ipanaqué-Zapata, María José Garcia, Oscar Bazo-Alvarez, Evelyn Goicochea-Ríos, Willy Valle-Salvatierra, Jackeline Edith García-Serna
Journal: PeerJ
PMID: 38089908
Paper promises: Peruvian frontline health workers' perspectives on mental health policies during COVID-19.
Authors: Nikol Mayo-Puchoc, Jenny Bejarano-Carranza, Rubí Paredes-Angeles, Ana Lucía Vilela-Estrada, Jackeline García-Serna, Noelia Cusihuaman-Lope, David Villarreal-Zegarra, Victoria Cavero, Sara Ardila-Gómez
Journal: Health policy and planning
PMID: 37995267
Experiences of users and family members on the care received at community mental health centers in Lima and Callao during the COVID-19 pandemic.
Authors: Noelia Cusihuaman-Lope, Ana L Vilela-Estrada, Victoria Cavero, David Villarreal-Zegarra, Francisco Diez-Canseco
Journal: Revista peruana de medicina experimental y salud publica
PMID: 37991031
Socio-demographic, migratory and health-related determinants of food insecurity among Venezuelan migrants in Peru.
Authors: Ali Al-Kassab-Córdova, David Villarreal-Zegarra, Guido Bendezu-Quispe, Pamela Robles-Valcárcel, Percy Herrera-Añazco, Vicente A Benites-Zapata
Journal: Public health nutrition
PMID: 37944992
Psychometric Adaptation of a Brief Scale of Child-to-Parent Violence and Intrafamily Violence in Peruvian Adolescents.
Authors: David Villarreal-Zegarra, Anthony Copez-Lonzoy, Milagros Cabrera-Alva, Roberto Torres-Puente, G J Melendez-Torres
Journal: Violence and victims
PMID: 37827580
Measurement scales of mental health related to climate change: a scoping review protocol using artificial intelligence.
Authors: Alejandro Dominguez-Rodriguez, David Villarreal-Zegarra, Sofía Malaquias-Obregon, Paulina Erika Herdoiza-Arroyo, Joel Omar González-Cantero, Sarah Margarita Chávez-Valdez, Roberto Rafael Cruz-Martínez
Journal: BMJ open
PMID: 37821142
Mental health data available in representative surveys conducted in Latin America and the Caribbean countries: a scoping review.
Authors: Francesca Ramírez-Bontá, Rafaela Vásquez-Vílchez, Milagros Cabrera-Alva, Sharlyn Otazú-Alfaro, Guillermo Almeida-Huanca, Juan Ambrosio-Melgarejo, Joel Figueroa-Quiñones, Alejandra B Romero-Cabrera, Anayeli Huaman-Santa Cruz, Esthefani Chávez-Hinostroza, Melanie Rosado-Medina, Wildo Siancas-Villano, Camilo Quintana-Castro, Juan Carlos Bazo-Alvarez, David Villarreal-Zegarra
Journal: BMJ open
PMID: 37798035
Sensitivity and specificity of the Patient Health Questionnaire (PHQ-9, PHQ-8, PHQ-2) and General Anxiety Disorder scale (GAD-7, GAD-2) for depression and anxiety diagnosis: a cross-sectional study in a Peruvian hospital population.
Authors: David Villarreal-Zegarra, Juan Barrera-Begazo, Sharlyn Otazú-Alfaro, Nikol Mayo-Puchoc, Juan Carlos Bazo-Alvarez, Jeff Huarcaya-Victoria
Journal: BMJ open
PMID: 37714674
Provision of community mental health care before and during the COVID-19 pandemic: A time series analysis in Peru.
Authors: David Villarreal-Zegarra, Piero Segovia-Bacilio, Rubí Paredes-Angeles, Ana Lucía Vilela-Estrada, Victoria Cavero, Francisco Diez-Canseco
Journal: The International journal of social psychiatry
PMID: 37449754
Effects of vaccination against COVID-19 on the emotional health of older adults.
Authors: Christoper A Alarcon-Ruiz, Zoila Romero-Albino, Percy Soto-Becerra, Jeff Huarcaya-Victoria, Fernando M Runzer-Colmenares, Elisa Romani-Huacani, David Villarreal-Zegarra, Jorge L Maguiña, Moises Apolaya-Segura, Sofía Cuba-Fuentes
Journal: F1000Research
PMID: 39221026
When COVID-19 strikes mental health: a measurement analysis of reassurance seeking behavior scale in Peruvian population.
Authors: Denisse Manrique-Millones, Jackeline García-Serna, Ronald Castillo-Blanco, Nataly Fernández-Ríos, Danny Alonso Lizarzaburu-Aguinaga, Geraldina Rebeca Parihuamán-Quinde, David Villarreal-Zegarra
Journal: Frontiers in psychology
PMID: 37138976
Profiles of depressive symptoms in Peru: An 8-year analysis in population-based surveys.
Authors: David Villarreal-Zegarra, Sharly Otazú-Alfaro, Piero Segovia-Bacilio, Jackeline García-Serna, C Mahony Reategui-Rivera, G J Melendez-Torres
Journal: Journal of affective disorders
PMID: 37086796
Estimated impact of the COVID-19 pandemic on the prevalence and treatment of depressive symptoms in Peru: an interrupted time series analysis in 2014-2021.
Authors: David Villarreal-Zegarra, C Mahony Reátegui-Rivera, Sharlyn Otazú-Alfaro, Gloria Yantas-Alcantara, Percy Soto-Becerra, G J Melendez-Torres
Journal: Social psychiatry and psychiatric epidemiology
PMID: 36884090
Characteristics of undergraduate and second speciality mental health programmes in Peru: a cross-sectional study.
Authors: Jackeline García-Serna, Guillermo Almeida-Huanca, Jeff Huarcaya-Victoria, Ana Lucia Vilela-Estrada, Jessica Hanae Zafra-Tanaka, David Villarreal-Zegarra
Journal: Human resources for health
PMID: 36859351
Research skills for university students' thesis in E-learning: Scale development and validation in Peru.
Authors: Miguel Ipanaqué-Zapata, Joel Figueroa-Quiñones, Janina Bazalar-Palacios, Wendy Arhuis-Inca, Magaly Quiñones-Negrete, David Villarreal-Zegarra
Journal: Heliyon
PMID: 36851971
The impact of COVID-19 pandemic on the quality of life of healthcare workers and the associated factors: A systematic review.
Authors: Liliana Cruz-Ausejo, David Villarreal-Zegarra, C Mahony Reátegui-Rivera, Miguel Burgos, Ana L Vilela-Estrada, Gabriel Castro, Héctor Collantes, Anthony Copez-Lonzoy
Journal: Revista de psiquiatria y salud mental
PMID: 36438714
Relationship between job satisfaction, burnout syndrome and depressive symptoms in physicians: a cross-sectional study based on the employment demand-control model using structural equation modelling.
Authors: David Villarreal-Zegarra, Wilder Iván Lázaro-Illatopa, Ronald Castillo-Blanco, Baltica Cabieses, Alice Blukacz, Luciana Bellido-Boza, Edward Mezones-Holguin
Journal: BMJ open
PMID: 36261241
An explanatory model of depressive symptoms from anxiety, post-traumatic stress, somatic symptoms, and symptom perception: the potential role of inflammatory markers in hospitalized COVID-19 patients.
Authors: David Villarreal-Zegarra, Rubí Paredes-Angeles, Nikol Mayo-Puchoc, Ana L Vilela-Estada, Anthony Copez-Lonzoy, Jeff Huarcaya-Victoria
Journal: BMC psychiatry
PMID: 36210450
Policies on mental health in the workplace during the COVID-19 pandemic: A scoping review.
Authors: David Villarreal-Zegarra, C Mahony Reátegui-Rivera, Iselle Sabastizagal-Vela, Miguel Angel Burgos-Flores, Nieves Alejandra Cama-Ttito, Jaime Rosales-Rimache
Journal: PloS one
PMID: 35901068
Factors Associated with Mental Health Outcomes in Hospital Workers during the COVID-19 Pandemic: A Mixed-Methods Study.
Authors: Jeff Huarcaya-Victoria, Beltran Villarreal-Rao, Matilde Luna, Wendoline Rojas-Mendoza, Christoper A Alarcon-Ruiz, David Villarreal-Zegarra, Ana L Vilela-Estrada, Samantha Ramírez
Journal: International journal of environmental research and public health
PMID: 35564741
Validation of the medium and short version of CENSOPAS-COPSOQ: a psychometric study in the Peruvian population.
Authors: Martha R Lucero-Perez, Iselle Sabastizagal, Jonh Astete-Cornejo, Miguel Angel Burgos, David Villarreal-Zegarra, Salvador Moncada
Journal: BMC public health
PMID: 35524201
Spanish version of Jenkins Sleep Scale in physicians and nurses: psychometric properties from a Peruvian nationally representative sample.
Authors: David Villarreal-Zegarra, Roberto Torres-Puente, Sharlyn Otazú-Alfaro, Ali Al-Kassab-Córdova, Jorge Rey de Castro, Edward Mezones-Holguín
Journal: Journal of psychosomatic research
PMID: 35358746
Development of a Framework for the Implementation of Synchronous Digital Mental Health: Realist Synthesis of Systematic Reviews.
Authors: David Villarreal-Zegarra, Christoper A Alarcon-Ruiz, G J Melendez-Torres, Roberto Torres-Puente, Alba Navarro-Flores, Victoria Cavero, Juan Ambrosio-Melgarejo, Jefferson Rojas-Vargas, Guillermo Almeida, Leonardo Albitres-Flores, Alejandra B Romero-Cabrera, Jeff Huarcaya-Victoria
Journal: JMIR mental health
PMID: 35348469
Development of the set of scales to assess the job satisfaction among physicians in Peru: validity and reliability assessment.
Authors: David Villarreal-Zegarra, Roberto Torres-Puente, Ronald Castillo-Blanco, Baltica Cabieses, Luciana Bellido-Boza, Edward Mezones-Holguin
Journal: BMC public health
PMID: 34689727
Development of a framework for the implementation of synchronous e-mental health: a protocol for a realist synthesis of systematic reviews.
Authors: David Villarreal-Zegarra, Christoper A Alarcon-Ruiz, G J Melendez-Torres, Roberto Torres-Puente, Juan Ambrosio-Melgarejo, Alejandra B Romero-Cabrera, Alba Navarro-Flores, Leonardo Albitres-Flores, Ana Lindo-Cavero, Jeff Huarcaya-Victoria
Journal: F1000Research
PMID: 34540205
Depression, post-traumatic stress, anxiety, and fear of COVID-19 in the general population and health-care workers: prevalence, relationship, and explicative model in Peru.
Authors: David Villarreal-Zegarra, Anthony Copez-Lonzoy, Ana L Vilela-Estrada, Jeff Huarcaya-Victoria
Journal: BMC psychiatry
PMID: 34530803
Type 2 diabetes mellitus and antibiotic-resistant infections: a systematic review and meta-analysis.
Authors: Rodrigo M Carrillo-Larco, Cecilia Anza-Ramírez, Giancarlo Saal-Zapata, David Villarreal-Zegarra, Jessica Hanae Zafra-Tanaka, Cesar Ugarte-Gil, Antonio Bernabé-Ortiz
Journal: Journal of epidemiology and community health
PMID: 34326183
Explanatory Model of Perceived Stress in the General Population: A Cross-Sectional Study in Peru During the COVID-19 Context.
Authors: Alicia Boluarte-Carbajal, Alba Navarro-Flores, David Villarreal-Zegarra
Journal: Frontiers in psychology
PMID: 34248770
Psychometric Properties of a Spanish Version of the Fear of COVID-19 Scale in General Population of Lima, Peru.
Authors: Jeff Huarcaya-Victoria, David Villarreal-Zegarra, Angela Podestà, María Alejandra Luna-Cuadros
Journal: International journal of mental health and addiction
PMID: 32837434
Trends in the prevalence and treatment of depressive symptoms in Peru: a population-based study.
Authors: David Villarreal-Zegarra, Milagros Cabrera-Alva, Rodrigo M Carrillo-Larco, Antonio Bernabe-Ortiz
Journal: BMJ open
PMID: 32690526
Short-term trends in the prevalence, awareness, treatment, and control of arterial hypertension in Peru.
Authors: David Villarreal-Zegarra, Rodrigo M Carrillo-Larco, Antonio Bernabe-Ortiz
Journal: Journal of human hypertension
PMID: 32518303
Nutritional Quality of Food and Beverages Offered in Supermarkets of Lima According to the Peruvian Law of Healthy Eating.
Authors: Mayra Meza-Hernández, David Villarreal-Zegarra, Lorena Saavedra-Garcia
Journal: Nutrients
PMID: 32455890
Acupuncture for major depressive disorder: A review of the recommendations stated at clinical practice guidelines.
Authors: Jose Ernesto Fernandez-Chinguel, Sergio Goicochea-Lugo, David Villarreal-Zegarra, Alvaro Taype-Rondan, Jessica Hanae Zafra-Tanaka
Journal: Complementary therapies in medicine
PMID: 32147048
Association between arterial hypertension and depressive symptoms: Results from population-based surveys in Peru.
Authors: David Villarreal-Zegarra, Antonio Bernabe-Ortiz
Journal: Asia-Pacific psychiatry : official journal of the Pacific Rim College of Psychiatrists
PMID: 32119760
Cancer-related mortality in Peru: Trends from 2003 to 2016.
Authors: Jessica H Zafra-Tanaka, Janeth Tenorio-Mucha, David Villarreal-Zegarra, Rodrigo Carrillo-Larco, Antonio Bernabe-Ortiz
Journal: PloS one
PMID: 32027719
Parents' Perceptions about Salt Consumption in Urban Areas of Peru: Formative Research for a Social Marketing Strategy.
Authors: Vilarmina Ponce-Lucero, Lorena Saavedra-Garcia, Erik Cateriano-Arévalo, Silvana Perez-Leon, David Villarreal-Zegarra, Diego Horna-Alva, J Jaime Miranda
Journal: Nutrients
PMID: 31936312
Valid group comparisons can be made with the Patient Health Questionnaire (PHQ-9): A measurement invariance study across groups by demographic characteristics.
Authors: David Villarreal-Zegarra, Anthony Copez-Lonzoy, Antonio Bernabé-Ortiz, G J Melendez-Torres, Juan Carlos Bazo-Alvarez
Journal: PloS one
PMID: 31498796
[Validity and reliability of the satisfaction scale for outpatient care users in Peru].
Authors: Miguel G Moscoso, David Villarreal-Zegarra, Ronald Castillo, Luciana Bellido-Boza, Edward Mezones-Holguín
Journal: Revista peruana de medicina experimental y salud publica
PMID: 31460627
Scientific production of midwives in Latin American obstetrics and gynecology journals indexed in Scopus.
Authors: Elizabeth Zavaleta-Lopez, David Villarreal-Zegarra, Julio Cjuno, Janina Bazalar-Palacios
Journal: Medwave
PMID: 31442215
Characteristics and quality of clinical practice guidelines for depression in adults: a scoping review.
Authors: Jessica Hanae Zafra-Tanaka, Sergio Goicochea-Lugo, David Villarreal-Zegarra, Alvaro Taype-Rondan
Journal: BMC psychiatry
PMID: 30786870

Digital Mental Health and Mental Health Informatics

Assessment and Treatment of Depression and Anxiety

Global Mental Health and Epidemiology of Mental Health