Health Promot Perspect. 2022;12(3): 231-239.
doi: 10.34172/hpp.2022.30
PMID: 36686045
PMCID: PMC9808904
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  PDF Download: 50

Systematic Review

Declining trend in anemia prevalence among non-pregnant women of reproductive age in Vietnam over two decades: A systematic review and meta-analysis of population studies

Nguyen Trung Kien 1 ORCID logo, Tran Quang Duc 2* ORCID logo, Vu Thi Quynh Chi 3 ORCID logo, Phan Ngoc Quang 4 ORCID logo, Bui Thi Thanh Tuyen 1 ORCID logo, Dinh Thi Phuong Hoa 5 ORCID logo

1 Department of Obstetrics and Gynecology, Thai Binh University of Medicine and Pharmacy, Thai Binh, 06121, Vietnam
2 Independent Scholar, Tokushima, Japan
3 Nutrition Department, Dong A University, Danang, 50000, Vietnam
4 The Center Service for Technology Science of Medi-Phar, Thai Binh University of Medicine and Pharmacy, Thai Binh, 06121, Vietnam
5 Faculty of Health and Environmental Sciences, Auckland University of Technology, 1010, Auckland
*Corresponding Author: Corresponding Author: Tran Quang Duc, Email: , Email: quangduc216@gmail.com


Background: Anaemia is a public health concern in developing nations, particularly among women of reproductive age. However, the present prevalence and recent trend in anaemia among this population are unclear. This systematic review aimed to evaluate the prevalence of anaemia among non-pregnant women in Vietnam.

Methods: We systematically searched databases such as PubMed, Scopus, and reference lists of earlier prevalence studies from their inception until July 2022. For statistical analysis to check for heterogeneity, random or fixed effects models were employed to summarize the prevalence of anaemia. Visual examination of a funnel plot was used to determine the presence of publication bias, which was then verified using the Egger regression test. Subgroup analyses were also undertaken to evaluate how the proportion of anaemia differs across various study groups.

Results: A total of 188 studies were found as a result of the bibliographical search. Finally, of the 12 included studies, anaemia affected 5089 non-pregnant women out of a total of 19744, making the prevalence of this condition 23.2% (95% CI: 16.1-32.2). From 1995 to 2013, the prevalence of anaemia in this population declined significantly, from 42.6% to 16.9%. Notably, the prevalence of anaemia among non-pregnant women differed by geography and increased by mountains, Northern Vietnam, rural areas, and ethnic minority groups. Furthermore, no publication bias was found in this meta-analysis.

Conclusion: To enhance the health of women and meet global objectives for eliminating anaemia, more efforts are required in specific regions and ethnic minority groups in Vietnam.

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Submitted: 28 Jul 2022
Revision: 07 Sep 2022
Accepted: 10 Oct 2022
ePublished: 10 Dec 2022
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