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Accepted manuscript

Intimate partner violence and reduced dietary iron and vitamin A intake: A population analysis of nationally representative data from eight low- and middle-income countries

Published online by Cambridge University Press:  14 April 2025

Luissa Vahedi*
Affiliation:
Brown School, Washington University in St. Louis, St. Louis, Missouri, United States of America
Manuela Orjuela-Grimm
Affiliation:
Departments of Epidemiology and Pediatrics, Columbia University Irving Medical Center, New York, New York, United States of America
Pui Man (Pamela) Chan
Affiliation:
Brown School, Washington University in St. Louis, St. Louis, Missouri, United States of America
Sarah R. Meyer
Affiliation:
Institute for Medical Information Processing, Biometry, and Epidemiology, Ludwig-Maximilians-Universität, Munich, Germany
*
*Corresponding author: Luissa Vahedi, 1 Brookings Dr, St. Louis, MO 63130, [email protected], 314-828-9492
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Abstract

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Objective:

This research provides the first population-based investigation of IPV and women’s dietary intake of iron and Vitamin A rich foods using representative data from eight low-and-middle-income countries.

Design:

Using multivariable logistic regression, we estimated the relationship between various forms of past year IPV (physical, emotional, and sexual) and consumption of Vitamin A and iron-rich foods.

Setting:

We conducted secondary data analysis of cross-sectional Demographic and Health Surveys from Cambodia (2021, N=5,640), Nepal (2022, N=4179), Sierra Leone (2019, N=3,812), Nigeria (2018, N=8,313), Tajikistan (2017, N=4,800), Cote D’Ivoire (2021, N=3,656), Kenya (2022, N=10,758), and the Philippines (2022, N=12,278).

Participants:

Women of reproductive age (15-49 years) comprised the analytical sample.

Results:

Results revealed distinct relationship patterns between various IPV forms and women’s dietary consumption of micro-nutrient rich foods. The most consistent relationships being that past year (i) sexual IPV (aOR: 0·72, 95%CI: 0·53-0·98), (ii) physical IPV (aOR: 0·86, 95%CI: 0·73-1·01), and (iii) emotional IPV (aOR: 0·81, 95%CI: 0·70-0·94) significantly reduced the odds of consuming iron-rich foods in the pooled analyses. Due to between country heterogeneity concerning the relationship between IPV and Vitamin A, pooled estimates for dietary Vitamin A consumption were non-significant. However, in the Philippines IPV was associated with reduced dietary Vitamin A intake.

Conclusions:

IPV is associated with altered dietary intake patterns and between-country differences could be due to different food environments. Mechanisms explaining our findings may involve consequences of IPV that impact diet and dietary practices: depression, control of resources, and physical trauma.

Type
Research Paper
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of The Nutrition Society