Predictors of adherence to micronutrient supplementation before and during pregnancy in Vietnam

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cg.authorship.typesCGIAR single centre
cg.contributor.crpAgriculture for Nutrition and Health
cg.contributor.donorMathile Institute for the Advancement of Human Nutrition
cg.contributor.donorMicronutrient Initiative
cg.contributor.donorNestlé
cg.coverage.countryVietnam
cg.coverage.iso3166-alpha2VN
cg.coverage.regionAsia
cg.coverage.regionSouth-eastern Asia
cg.creator.identifierPhuong H Nguyen: 0000-0003-3418-1674
cg.identifier.doihttps://doi.org/10.1186/s12889-017-4379-4
cg.identifier.projectIFPRI - Poverty, Health, and Nutrition Division
cg.identifier.publicationRankA
cg.isijournalISI Journal
cg.issn1471-2458
cg.journalBMC Public Health
cg.number452
cg.reviewStatusPeer Review
cg.volume17
dc.contributor.authorGonzalez-Casanova, Ines
dc.contributor.authorNguyen, Phuong Hong
dc.contributor.authorYoung, Melissa F.
dc.contributor.authorHarding, Kimberly B.
dc.contributor.authorReinhart, Gregory A.
dc.contributor.authorNguyen, Hieu
dc.contributor.authorNechitillo, Meredith
dc.contributor.authorTruong, Truong V.
dc.contributor.authorPham, Hoa
dc.contributor.authorNguyen, Son
dc.contributor.authorNeufeld, Lynnette M.
dc.contributor.authorMartorell, Reynaldo
dc.contributor.authorRamakrishnan, Usha
dc.date.accessioned2024-06-21T09:23:55Zen
dc.date.available2024-06-21T09:23:55Zen
dc.identifier.urihttps://hdl.handle.net/10568/148146
dc.titlePredictors of adherence to micronutrient supplementation before and during pregnancy in Vietnamen
dcterms.abstractBackground: Poor adherence to micronutrient supplementation often limits the effectiveness of public health programs. While predictors of adherence to micronutrient supplementation during pregnancy are well documented, information on adherence to preconception supplements is scarce. The objective of this study was to describe the predictors of adherence to preconception and prenatal micronutrient supplementation among women participating in a randomized control trial in Vietnam. Methods: Adherence data were collected prospectively from a double blind randomized controlled trial in rural Vietnam. Five thousand eleven women of reproductive age were randomized to receive preconception supplements for weekly consumption containing either: Folic Acid, Iron and Folic Acid (IFA), or Multiple Micronutrients. Women who became pregnant received prenatal IFA supplements for daily consumption through delivery. Village health workers visited participants’ homes every two weeks to deliver supplements and record consumption and side effects. Multivariate logistic regression was used to assess individual, household, and programmatic predictors of supplement adherence. Results: Adherence was high with 78 and 82% of the women consuming more than 80% of the preconception and prenatal supplements, respectively. Women of minority ethnicity (OR = 0.78 95% CI = 0.67, 0.91) and farmers (OR = 0.71 95% CI = 0.58, 0.88) were less likely to consume >80% of the preconception supplements while socioeconomic status (SES) (OR = 2.71 highest vs. lowest quintile; 95% CI = 2.10, 3.52) was positively associated with >80% adherence in the entire preconception sample with available information (n = 4417). Women in their first pregnancy had lower prenatal adherence compared to multiparous women. At the programmatic level, each village health worker visit was associated with higher odds of >80% adherence by 3–5% before pregnancy and 18% during pregnancy. Conclusions: Key determinants of adherence included SES, ethnicity, occupation (farmer) and parity which may be helpful for targeting women for counseling on supplement adherence. Increased contact with village health workers was positively associated with adherence to micronutrient supplementation both before conception and during pregnancy indicating the need for resources to support community outreach to women of reproductive age. Trial registration: NCT01665378. Registered on August 12, 2012.en
dcterms.accessRightsOpen Access
dcterms.available2017-05-16
dcterms.bibliographicCitationGonzalez-Casanova, Ines; Nguyen, Phuong Hong; Young, Melissa; Harding, Kimberly B; Reinhart, Gregory A.; Nguyen, Hieu; Nechitillo, Meredith; Truong, Truong V.; Pham, Hoa; Nguyen, Son; Neufeld, Lynnette M.; Martorell, Reynaldo; and Ramakrishnan, Usha. 2017. Predictors of adherence to micronutrient supplementation before and during pregnancy in Vietnam. BMC Public Health 17: 452: https://doi.org/10.1186/s12889-017-4379-4en
dcterms.issued2017
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherSpringer
dcterms.replaceshttps://ebrary.ifpri.org/digital/collection/p15738coll5/id/5827
dcterms.subjectgenderen
dcterms.subjectsupplementsen
dcterms.subjectnutritionen
dcterms.subjectmineral supplementsen
dcterms.subjectchildrenen
dcterms.subjectside effectsen
dcterms.subjectmaternal nutritionen
dcterms.subjectwomenen
dcterms.typeJournal Article

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