Myriam Ruiz Rodriguez

Prof. Myriam Ruiz Rodriguez

Industrial University of Santander, Bucaramanga, Santander, Colombia
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Research Focus & Metrics

Academic Career Length

21Years (2006-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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30 March 2015 in PLOS ONE
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CPCarlos Eduardo Pinzón-Flórez
Carlos Eduardo Pinzón-Flórez
JNJulián Alfredo Fernández Niño
Julián Alfredo Fernández Niño
MRMyriam Ruiz Rodriguez
Myriam Ruiz Rodriguez
AIAlvaro J Idrovo
Alvaro J Idrovo
ALAbel Armando Arredondo López
Abel Armando Arredondo López
To assess the association of social determinants on the performance of health systems around the world. A transnational ecological study was conducted with an observation level focused on the country. In order to research on the strength of the association between the annual maternal and child mortality in 154 countries and social determinants: corruption, democratization, income inequality and cultural fragmentation, we used a mixed linear regression model for repeated measures with random intercepts and a conglomerate-based geographical analysis, between 2000 and 2010. Health determinants with a significant association on child mortality(<1year): higher access to water (βa Quartile 4(Q4) vs Quartile 1(Q1) = -6,14; 95%CI: -11,63 to -0,73), sanitation systems, (Q4 vs Q1 = -25,58; 95%CI: -31,91 to -19,25), % measles vaccination coverage (Q4 vs Q1 = -7.35; 95%CI: -10,18 to -4,52), % of births attended by a healthcare professional (Q4 vs Q1 = -7,91; 95%CI: -11,36 to -4,52) and a % of the total health expenditure (Q3 vs Q1 = -2,85; 95%CI: -4,93 to -0,7). Ethnic fragmentation (Q4 vs Q1 = 9,93; 95%CI: -0.03 to 19.89) had a marginal effect. For child mortality<5 years, an association was found for these variables and democratization (not free vs free = 11,23; 95%CI: -0,82 to 23,29), out-of-pocket expenditure (Q1 vs Q4 = 17,71; 95%CI: 5,86 to 29,56). For MMR (Maternal mortality ratio), % of access to water for all the quartiles, % of access to sanitation systems, (Q3 vs Q1 = -171,15; 95%CI: -281,29 to -61), birth attention by a healthcare professional (Q4 vs Q1 = -231,23; 95%CI: -349,32 to -113,15), and having corrupt government (Q3 vs Q1 = 83,05; 95%CI: 33,10 to 133). Improving access to water and sanitation systems, decreasing corruption in the health sector must become priorities in health systems. The ethno-linguistic cultural fragmentation and the detriment of democracy turn out to be two factors related to health results.

1 August 2010 in Revista de Saúde Pública
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AIAlvaro J Idrovo
Alvaro J Idrovo
MRMyriam Ruiz Rodriguez
Myriam Ruiz Rodriguez
AMAbigail P Manzano-Patiño
Abigail P Manzano-Patiño
OBJECTIVE: To analyze whether the relationship between income inequality and human health is mediated through social capital, and whether political regime determines differences in income inequality and social capital among countries. METHODS: Path analysis of cross sectional ecological data from 110 countries. Life expectancy at birth was the outcome variable, and income inequality (measured by the Gini coefficient), social capital (measured by the Corruption Perceptions Index or generalized trust), and political regime (measured by the Index of Freedom) were the predictor variables. Corruption Perceptions Index (an indirect indicator of social capital) was used to include more developing countries in the analysis. The correlation between Gini coefficient and predictor variables was calculated using Spearman's coefficients. The path analysis was designed to assess the effect of income inequality, social capital proxies and political regime on life expectancy. RESULTS: The path coefficients suggest that income inequality has a greater direct effect on life expectancy at birth than through social capital. Political regime acts on life expectancy at birth through income inequality. CONCLUSIONS: Income inequality and social capital have direct effects on life expectancy at birth. The "class/welfare regime model" can be useful for understanding social and health inequalities between countries, whereas the "income inequality hypothesis" which is only a partial approach is especially useful for analyzing differences within countries.

1 September 2014 in Aquichan
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FMFlor de María Cáceres Manrique
Flor de María Cáceres Manrique
GMGloria Molina Marín
Gloria Molina Marín
MRMyriam Ruiz Rodriguez
Myriam Ruiz Rodriguez
Objetivo: comprender los significados de la maternidad para las gestantes, con el fin de orientar la promoción de la salud materno- infantil. Materiales y métodos: investigación cualitativa, con sustento teórico en el interaccionismo simbólico y el método de la teoría fundamentada. Previo consentimiento informado se realizaron entrevistas en profundidad a 18 gestantes mayores de 14 años, de diferentes estratos socioeconómicos, residentes en Bucaramanga (Colombia). También se observaron sus interacciones con otras gestantes y con personal de salud en las instituciones donde reciben atención prenatal. La información fue analizada paralelamente con su recolección mediante codificación abierta y categorización basada en el método de comparación constante y muestreo teórico, hasta lograr la saturación de las categorías. Los resultados se validaron en grupos focales con gestantes. Resultados: emergieron categorías que dan cuenta de la maternidad como proceso, con preocupación, responsabilidad, adaptación/acomodación y como una experiencia positiva. Como categoría central surgió la maternidad como proceso transformador con experiencias positivas y construcción de vínculos. Discusión: para las gestantes, la maternidad tiene distintos significados y matices, principalmente desde sus componentes socioculturales, aspectos que se deben tener en cuenta para orientar la promoción de la salud materno-infantil y el cuidado materno. Conclusiones: la maternidad es un proceso complejo y de transformación personal que ayuda a las gestantes a formar vínculos con su hijo, con la pareja y con los familiares que la apoyan. Durante esta experimentan sentimientos encontrados de alegría y satisfacción, junto con preocupación y angustia por los retos que implica la maternidad. Entender este proceso orienta el quehacer de los profesionales de la salud hacia una atención prenatal armonizada con las expectativas de la gestante.

1 May 2009 in Health Policy
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MRMyriam Ruiz Rodriguez
Myriam Ruiz Rodriguez
VWVeronika J. Wirtz
Veronika J. Wirtz
GNGustavo Nigenda
Gustavo Nigenda

4 May 2023 in Health Policy and Planning
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Laura Rodriguez-VillamizarLaura Rodriguez-Villamizar
Laura Rodriguez-Villamizar
JGJohanna Linares García
Johanna Linares García
MRMyriam Ruiz Rodriguez
Myriam Ruiz Rodriguez
The COVID-19 pandemic highlighted the importance of strengthening collaborations between academia and government. The development and maintenance of these collaborative relationships is a complex and dynamic process, particularly during public health emergencies. This study was aimed at identifying and analysing factors that acted as barriers and facilitators in the collaboration process between academia and government during the COVID-19 pandemic in the five largest cities in Colombia. The study used a qualitative approach based on the systematization of experiences. A total of 25 semi-structured interviews were conducted with local actors from government and academia during 2021. Participants identified a variety of situations that involved individual, institutional and relational factors that acted as barriers and facilitators, and which have been previously reported in other countries and contexts not related to pandemics. Based on participant reports, two additional factors emerged, one corresponding to situations related to the pandemic management process itself and another related to structural or systemic conditions that involved government processes and the Colombian health system. Despite the challenges posed by the pandemic, the health emergency brought about shared feelings of local commitment and a willingness to work through interdisciplinary teams to address the pandemic with the least adverse effects on the community. Other facilitators of the collaborative process that were recognized were the importance of timely access to data and transparent analyses, as well as government decisions being informed by the perspectives of academics. The main barriers identified by both actors were excessive centralization of the pandemic’s management and the need for rapid decision-making processes under high levels of uncertainty. In addition, the fragmentation of services in the health system posed a barrier to the interventions that were suggested by the collaborative work. Our results suggest that government–academia collaborations should be implemented as ongoing participatory processes integrating various sectors, actors and disciplines.

13 October 2016 in BMC Health Services Research
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MRMyriam Ruiz Rodriguez
Myriam Ruiz Rodriguez
Laura Rodriguez-VillamizarLaura Rodriguez-Villamizar
Laura Rodriguez-Villamizar
Ileana Heredia-PiIleana Heredia-Pi
Ileana Heredia-Pi
Primary Health Care (PHC) is an efficient strategy to improve health outcomes in populations. Nevertheless, studies of technical efficiency in health care have focused on hospitals, with very little on primary health care centers. The objective of the present study was to use the Data Envelopment Analysis to estimate the technical efficiency of three women’s health promotion and disease prevention programs offered by primary care centers in Bucaramanga, Colombia. Efficiency was measured using a four-stage data envelopment analysis with a series of Tobit regressions to account for the effect of quality outcomes and context variables. Input/output information was collected from the institutions’ records, chart reviews and personal interviews. Information about contextual variables was obtained from databases from the primary health program in the municipality. A jackknife analysis was used to assess the robustness of the results. The analysis was based on data from 21 public primary health care centers. The average efficiency scores, after adjusting for quality and context, were 92.4 %, 97.5 % and 86.2 % for the antenatal care (ANC), early detection of cervical cancer (EDCC) and family planning (FP) programs, respectively. On each program, 12 of the 21 (57.1 %) health centers were found to be technically efficient; having had the best-practice frontiers. Adjusting for context variables changed the scores and reference rankings of the three programs offered by the health centers. The performance of the women’s health prevention programs offered by the centers was found to be heterogeneous. Adjusting for context and health care quality variables had a significant effect on the technical efficiency scores and ranking. The results can serve as a guide to strengthen management and organizational and planning processes related to local primary care services operating within a market-based model such as the one in Colombia.