Luisa Arroyave

Dr. Luisa Arroyave

International Center for Equity in Health, Pelotas, Rio Grande do Sul, Brazil
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orcid

Research Focus & Metrics

Academic Career Length

13Years (2014-Present)

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

Representative Publications

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30 January 2021 in Journal of Global Health
Verified
Journal Article
Open access
LALuisa Arroyave
Luisa Arroyave
GSGhada E Saad
Ghada E Saad
CVCesar G Victora
Cesar G Victora
ABAluisio J D Barros
Aluisio J D Barros
Good quality antenatal care (ANC) helps reduce adverse maternal and newborn outcomes, especially in low and middle-income countries (LMICs). Most of the currently used ANC indicators only measure contact with services. We aimed to create and validate a new indicator measured as a score, considering both contact and content, that can be used for monitoring. We used data from national surveys conducted in LMICs. Information on ANC was used to build an adequacy score (ANCq) that would be applicable to all women in need of ANC. Cronbach's alpha and factor analysis were used to assess the proposed indicator. We also used a convergent validation approach, exploring the association of our proposed indicator with neonatal mortality. The ANCq score was derived from seven variables related to contact with services and content of care ranging from zero to ten. Surveys from 63 countries with all variables were used. The validity assessment showed satisfactory results based on Cronbach's alpha (0.82) and factor analysis. The overall mean of ANCq was 6.7, ranging from 3.5 in Afghanistan to 9.3 in Cuba and the Dominican Republic. In most countries, the ANCq was inversely associated with neonatal mortality and the pooled for all surveys Odds Ratio was 0.90 (95% CI = 0.88-0.92). ANCq allows the assessment of ANC in LMICs considering contact with services and content of care. It also presented good validity properties, being a useful tool for assessing ANC coverage and adequacy of care in monitoring and accountability exercises.

23 December 2022 in Journal of Global Health
Verified
Journal Article
Open access
PNPaulo Augusto Neves
Paulo Augusto Neves
NANancy Armenta-Paulino
Nancy Armenta-Paulino
LALuisa Arroyave
Luisa Arroyave
Luiza RicardoLuiza Ricardo
Luiza Ricardo
JVJuliana Vaz
Juliana Vaz
ABAluísio Jd Barros
Aluísio Jd Barros
The World Health Organization (WHO) defines prelacteal feeding as any fluid given to a child before breastfeeding starts [1]. However, a standard definition is lacking, while a few guidelines also consider prelacteal feeds as the introduction of foods before copious amounts of breast milk start to be produced [2]. Despite such differences, prelacteal feeding is […]

19 September 2022 in Vaccines
Verified
Journal Article
Open access
PDF file
Andrea WendtAndrea Wendt
Andrea Wendt
TSThiago M Santos
Thiago M Santos
BCBianca O Cata-Preta
Bianca O Cata-Preta
LALuisa Arroyave
Luisa Arroyave
DHDaniel R Hogan
Daniel R Hogan
CVCesar G. Victora
Cesar G. Victora
The concept of multiple deprivation recognizes that the same individuals, households, and communities are often exposed to several forms of scarcity. We assessed whether lack of immunization is also associated with nutritional, environmental, and educational outcomes. We analyzed data from nationally representative surveys from 80 low- and middle-income countries with information on no-DPT (children aged 12–23 months without any doses of a diphtheria, pertussis and tetanus containing vaccine), stunting, wasting, maternal education and use of contraception, improved water and sanitation, and long-lasting insecticidal nets. Analyses of how these characteristics overlap were performed at individual and ecological levels. Principal component analyses (PCA) provided additional information on indicator clustering. In virtually all analyses, no-DPT children were significantly more likely to be exposed to the other markers for deprivation. The strongest, most consistent associations were found with maternal education, water, and sanitation, while the weakest associations were found for wasting and bed nets. No-DPT prevalence reached 46.1% in the most deprived quintile from first PCA component derived from deprivation indicators. All children were immunized in the two least deprived quintiles of the component. Our analyses provide strong support for the hypothesis that unimmunized children are also affected by other forms of deprivation.

1 October 2014 in The International Journal of Tuberculosis and Lung Disease
Verified
Journal Article
Closed access
ZRZulma Vanessa Rueda
Zulma Vanessa Rueda
LALuisa Arroyave
Luisa Arroyave
DPDiana Marcela Marin Pineda
Diana Marcela Marin Pineda
LLLucelly López
Lucelly López
YKYoav Keynan
Yoav Keynan
MAM. P. Arbeláez
M. P. Arbeláez
Two prisons in Medellín and Itagüí, Colombia.

21 June 2022 in Vaccines
Verified
Journal Article
Open access
PDF file
NJNicole E Johns
Nicole E Johns
TSThiago M Santos
Thiago M Santos
LALuisa Arroyave
Luisa Arroyave
BCBianca O Cata-Preta
Bianca O Cata-Preta
SHShirin Heidari
Shirin Heidari
Ahmad Reza HosseinpoorAhmad Reza Hosseinpoor
Ahmad Reza Hosseinpoor
Gender-related barriers to immunization are key targets to improve immunization coverage and equity. We used individual-level demographic and health survey data from 52 low- and middle-income countries to examine the relationship between women’s social independence (measured by the Survey-based Women’s emPowERment (SWPER) Global Index) and childhood immunization. The primary outcome was receipt of three doses of the diphtheria-tetanus-pertussis vaccine (DTP3) among children aged 12–35 months; we secondarily examined failure to receive any doses of DTP-containing vaccines. We summarized immunization coverage indicators by social independence tertile and estimated crude and adjusted summary measures of absolute and relative inequality. We conducted all analyses at the country level using individual data; median results across the 52 examined countries are also presented. In crude comparisons, median DTP3 coverage was 12.3 (95% CI 7.9; 16.3) percentage points higher among children of women with the highest social independence compared with children of women with the lowest. Thirty countries (58%) had a difference in coverage between those with the highest and lowest social independence of at least 10 percentage points. In adjusted models, the median coverage was 7.4 (95% CI 5.0; 9.1) percentage points higher among children of women with the highest social independence. Most countries (41, 79%) had statistically significant relative inequality in DTP3 coverage by social independence. The findings suggest that greater social independence for women was associated with better childhood immunization outcomes, adding evidence in support of gender-transformative strategies to reduce childhood immunization inequities.

20 May 2024 in Journal of Urban Health
Verified
Journal Article
Open access
PDF file
TSThiago M Santos
Thiago M Santos
BCBianca O Cata-Preta
Bianca O Cata-Preta
Andrea WendtAndrea Wendt
Andrea Wendt
LALuisa Arroyave
Luisa Arroyave
CBCauane Blumenberg
Cauane Blumenberg
ABAluisio J. D. Barros
Aluisio J. D. Barros
Urban children are more likely to be vaccinated than rural children, but that advantage is not evenly distributed. Children living in poor urban areas face unique challenges, living far from health facilities and with lower-quality health services, which can impact their access to life-saving vaccines. Our goal was to compare the prevalence of zero-dose children in poor and non-poor urban and rural areas of low- and middle-income countries (LMICs). Zero-dose children were those who failed to receive any dose of a diphtheria-pertussis-tetanus (DPT) containing vaccine. We used data from nationally representative household surveys of 97 LMICs to investigate 201,283 children aged 12–23 months. The pooled prevalence of zero-dose children was 6.5% among the urban non-poor, 12.6% for the urban poor, and 14.7% for the rural areas. There were significant differences between these areas in 43 countries. In most of these countries, the non-poor urban children were at an advantage compared to the urban poor, who were still better off or similar to rural children. Our results emphasize the inequalities between urban and rural areas, but also within urban areas, highlighting the challenges faced by poor urban and rural children. Outreach programs and community interventions that can reach poor urban and rural communities—along with strengthening of current vaccination programs and services—are important steps to reduce inequalities and ensure that no child is left unvaccinated.