Julián Alfredo Fernández-Niño

ORCID: 0000-0002-8948-8481
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About
Contact & Profiles
Research Areas
  • Public Health and Social Inequalities
  • Vaccine Coverage and Hesitancy
  • COVID-19 Clinical Research Studies
  • Migration, Health and Trauma
  • COVID-19 epidemiological studies
  • Health disparities and outcomes
  • Global Maternal and Child Health
  • Parasites and Host Interactions
  • Air Quality and Health Impacts
  • Healthcare Systems and Reforms
  • Climate Change and Health Impacts
  • Child Nutrition and Water Access
  • SARS-CoV-2 and COVID-19 Research
  • COVID-19 and healthcare impacts
  • Helminth infection and control
  • Global Health Care Issues
  • Aging, Health, and Disability
  • Chronic Disease Management Strategies
  • Zoonotic diseases and public health
  • Employment and Welfare Studies
  • Global Public Health Policies and Epidemiology
  • Food Security and Health in Diverse Populations
  • Public Health and Environmental Issues
  • Maternal and Neonatal Healthcare
  • Gender, Health, and Social Inequality

Johns Hopkins University
2022-2024

Universidad del Norte
2017-2024

Ministry of Health and Social Protection
2020-2023

Bloomberg (United States)
2023

ORCID
2020

Departamento de Salud
2018

Industrial University of Santander
2016-2018

University of Atlántico
2018

National University of Río Cuarto
2018

Instituto Nacional de Salud Pública
2014-2016

After 8 months of the COVID-19 pandemic, Latin American countries have some highest rates in mortality. Despite being one most unequal regions world, there is a scarce report effect socioeconomic conditions on mortality their countries. We aimed to identify inequality-related factors Colombia.We conducted survival analysis nation-wide retrospective cohort study confirmed cases Colombia from 2 March 2020 26 October 2020. calculated time death or recovery for each case cohort. used an extended...

10.1136/jech-2020-216275 article EN Journal of Epidemiology & Community Health 2021-03-04

BackgroundAlthough clinical trials showed that vaccines have high efficacy and safety, differences in study designs populations do not allow for comparison between age groups. The objective of this was to evaluate the effectiveness against COVID-19 real-world conditions adults aged 60 years older Colombia.MethodsIn retrospective, population-based, matched cohort study, we evaluated COVID-19-related hospitalisation death people older. full consisted every person who eligible receive a vaccine...

10.1016/s2666-7568(22)00035-6 article EN cc-by-nc-nd The Lancet Healthy Longevity 2022-03-21

Objective Depression is the second most common mental disorder in older adults (OA) worldwide. The ways which depression influenced by social determinants of health – specifically, socioeconomic deprivation, income inequality and capital - have been analyzed with only partially conclusive results thus far. objective our study was to estimate association deprivation at locality, municipal state levels prevalence depressive symptoms among OA Mexico. Methods Cross-sectional based on a...

10.1371/journal.pone.0108127 article EN cc-by PLoS ONE 2014-09-24

Colombia hosts a large number of Venezuelan migrants and refugees who are uniquely vulnerable have been markedly impacted by the COVID-19 pandemic. It is necessary to understand their experiences inform future policy decisions both in during disease outbreaks other humanitarian contexts future. As part larger study focused on HIV among Venezuelans residing Colombia, qualitative interviews were conducted this population's access healthcare.

10.1016/j.jmh.2023.100187 article EN cc-by-nc-nd Journal of Migration and Health 2023-01-01

Abstract Background Life-long health inequalities exert enduring impacts and are governed by social determinants crucial for achieving healthy aging. A fundamental aspect of aging, intrinsic capacity, is the primary focus this study. Our objective to evaluate connected with trajectories shedding light on socioeconomic position, gender, ethnicity. Methods dynamic cohort study was rooted in three waves (2009, 2014, 2017) World Health Organization’s Study Global AGEing Adult Mexico. We...

10.1186/s12939-024-02136-0 article EN cc-by International Journal for Equity in Health 2024-03-11

Few studies have been conducted on the effect of air pollution morbidity in Latin America. This study analyzed effects respiratory and circulatory four major cities Colombia. An ecological time-series analysis was with data from quality monitoring networks information emergency department visits between 2011 2014. Daily 24-h averages were calculated for NO2, PM10, PM2.5, SO2 as well 8-h CO O3. Separate constructed by disease group pollutant. Conditional negative binomial regression models...

10.3390/ijerph15081610 article EN International Journal of Environmental Research and Public Health 2018-07-30

The aim of the present study was to analyse association between occurrence a major depressive episode among older adults and work status in low- medium-income countries. A cross-sectional conducted with people 60 years age from six countries (Mexico, India, China, Russian Federation, Ghana South Africa) included Study on Global Ageing Adult Health (SAGE) who participated its first wave (2009–2010). (MDE) over previous 12 months determined based an adaptation ICD-10 diagnostic criteria....

10.1016/j.ssmph.2018.07.008 article EN cc-by-nc-nd SSM - Population Health 2018-07-31

Population-based estimates of syphilis prevalence are critical to informing public health response. We aimed measure among Venezuelan refugees and migrants in Colombia inform programming.

10.1016/j.lana.2023.100669 article EN cc-by-nc-nd The Lancet Regional Health - Americas 2024-01-16

10.7705/biomedica.7930 article ES publisher-specific-oa Biomédica 2025-03-28

To identify the factors associated with fatal occupational injuries in Mexico 2012 among workers affiliated Mexican Social Security Institute.Analysis of secondary data using information from National Occupational Risk Information System, consequence injury (fatal versus non-fatal) as response variable. The analysis included 406,222 non-fatal and 1,140 2012. lethality were identified a logistic regression model Firth approach.Being male (OR=5.86; CI95%: 4.22-8.14), age (OR=1.04; 1.03-1.06),...

10.1371/journal.pone.0121490 article EN cc-by PLoS ONE 2015-03-19

Historically, seasonal variations in suicide rates were thought to be associated with changes weather. Most of this evidence however, is based on studies that conducted developed countries are located outside the tropics. As such, it necessary examine association developing countries, such as Colombia, which do not experience marked seasons. In addition, important adjust for effect holidays when analyzing they have been reported a relevant confounding factor. Our objective was estimate...

10.3390/ijerph15071313 article EN International Journal of Environmental Research and Public Health 2018-06-22

Background: After eight months of the COVID-19 pandemic, Latin American countries have some highest rates in mortality. Despite being one most unequal regions world, there is a scarce report effect socioeconomic conditions on mortality their countries. We aimed to identify inequality-related factors Colombia. Methods: conducted survival analysis nation-wide retrospective cohort study confirmed cases Colombia from March 2nd October 26th, 2020. calculated time death or recovery for each case...

10.1101/2020.12.14.20248203 preprint EN cc-by-nc-nd medRxiv (Cold Spring Harbor Laboratory) 2020-12-16

<bold>Objectives.</bold> To describe patterns of multimorbidity among fatal cases COVID-19, and to propose a classification patients based on age begin the construction etiological models. <bold>Methods.</bold> Data Colombian confirmed deaths COVID-19 until June 11, 2020, were included in this analysis (n=1488 deaths). Relationships between combinations health conditions explored using locally weighted polynomial regressions. <bold>Results.</bold> The most frequent high blood pressure,...

10.26633/rpsp.2020.166 article EN cc-by-nc-nd Revista Panamericana de Salud Pública 2020-12-30

Identify knowledge about and barriers to effective access voluntary interruption of pregnancy (VIP), sexual reproductive health (SRH) services in general, among women from Venezuela (Venezuelan migrants Colombian returnees).Qualitative study 20 semi-structured interviews with who are residents Barranquilla carry out leadership activities communities or participate benefit those activities. The included opinions experiences related VIP, SRH as well suggestions for improving migrant women....

10.26633/rpsp.2023.49 article ES cc-by-nc-nd Revista Panamericana de Salud Pública 2023-02-22

SUMMARY The A(H1N1) influenza pandemic has been a challenge for public health surveillance systems in all countries. An objective evaluation not conducted, as yet, of the performance those during pandemic. This paper presents an algorithm based on Benford's Law and mortality ratio order to evaluate quality data sensitivity systems. It analyses records confirmed cases reported Pan American Health Organization by its 35 member countries between epidemiological weeks 13 47 2009. Seventeen did...

10.1017/s095026881100015x article EN Epidemiology and Infection 2011-02-23

Objective Maternal mortality reduction is a Millennium Development Goal. In Colombia, there large disparity in the maternal ratio (MMR) between and into departments (states) also municipalities. We examined socioeconomics variables at municipal departmental levels which could be associated to Colombia. Methods A multilevel ecology study was carried out using different national data sources The outcome variable MMR level 2011 with multidimensional poverty department as principal independent...

10.1371/journal.pone.0118944 article EN cc-by PLoS ONE 2015-03-18

Suicide is a complex and multifactorial phenomenon with growing importance to public health. An increase in its occurrence has been observed Mexico over the past 10 years. The present article analyzes secular trend suicide at national level between years 2000 2013.All suicides during study period (n = 64,298, of which 82.11% were men) characterized using spectral decomposition time series wavelet analysis evaluate effect seasonal changes, type area (urban versus rural) sex.A pattern was...

10.1371/journal.pone.0146495 article EN cc-by PLoS ONE 2016-01-11

To describe the lifestyles and health status of returning Venezuelan Colombian migrants in Villa Caracas, Barranquilla, 2018.Descriptive, cross-sectional study with systematic sampling dwellings. 229 people over 15 years age from 90 homes were included.Differences found routes to arrive, commuting times stay settlement between migrants. Housing conditions access public services are limited: less than half dwellings have aqueduct, sewerage bathrooms. In general, self-reported is very good or...

10.15446/rsap.v20n4.75773 article ES Revista de Salud Pública 2018-07-01
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