Adherence to Iron and Folic Acid Supplementation (IFAS) intake among pregnant women: A systematic review meta-analysis.

Abstract

Adherence to iron and folic acid supplementation represents a significant factor contributing to the prevention and treatment of anaemia in pregnancy. However, limited studies have systematically investigated iron and folic acid supplementation adherence among pregnant mothers using a global perspective. We aimed to systematically identify iron and folic acid supplementation adherence and associated factors among pregnant women. For this systematic review and meta-analysis, we did a systematic search of Academic Search Complete, CINAHL, MEDLINE, PubMed, and Web of Science from inception to October 20, 2020. We included all cohort, case-control, and cross-sectional studies and used the Joanna Briggs Institute tool to assess study quality. A meta-analysis was performed to synthesise the pooled odds ratio for iron and folic acid supplementation adherence using a random-effects model. Heterogeneity was measured using the I Eighteen studies were included in systematic review and meta-analysis, including a total of 5,537 pregnant women. The pooled odds ratio for iron and folic acid supplementation adherence in primipara vs multipara, anaemia vs non-anaemia, knowledgeable vs limited knowledge of anaemia, and knowledgeable vs limited knowledge of iron and folic acid supplementation were 3.91 (95% confidence interval: 1.75-8.75), 1.09 (95% confidence interval: 0.67-1.77), 0.32 (95% confidence interval: 0.15-0.69), and 2.48 (95% confidence interval: 1.13-5.47), respectively. This review yielded evidence that having one pregnancy, having anaemia, and having satisfactory knowledge of both anaemia and iron and folic acid supplementation were positively associated with iron and folic acid supplementation adherence.

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