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Sökning: WFRF:(Msamanga Gernard) > (2015-2017) > Modifiers of the ef...

  • Smith, Emily RDepartment of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA, USA (författare)

Modifiers of the effect of maternal multiple micronutrient supplementation on stillbirth, birth outcomes, and infant mortality : a meta-analysis of individual patient data from 17 randomised trials in low-income and middle-income countries.

  • Artikel/kapitelEngelska2017

Förlag, utgivningsår, omfång ...

  • 2017
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:uu-331995
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-331995URI
  • https://doi.org/10.1016/S2214-109X(17)30371-6DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

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Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • BACKGROUND: Micronutrient deficiencies are common among women in low-income and middle-income countries. Data from randomised trials suggest that maternal multiple micronutrient supplementation decreases the risk of low birthweight and potentially improves other infant health outcomes. However, heterogeneity across studies suggests influence from effect modifiers. We aimed to identify individual-level modifiers of the effect of multiple micronutrient supplements on stillbirth, birth outcomes, and infant mortality in low-income and middle-income countries.METHODS: This two-stage meta-analysis of individual patient included data from 17 randomised controlled trials done in 14 low-income and middle-income countries, which compared multiple micronutrient supplements containing iron-folic acid versus iron-folic acid alone in 112 953 pregnant women. We generated study-specific estimates and pooled subgroup estimates using fixed-effects models and assessed heterogeneity between subgroups with the χ(2) test for heterogeneity. We did sensitivity analyses using random-effects models, stratifying by iron-folic acid dose, and exploring individual study effect.FINDINGS: Multiple micronutrient supplements containing iron-folic acid provided significantly greater reductions in neonatal mortality for female neonates compared with male neonates than did iron-folic acid supplementation alone (RR 0·85, 95% CI 0·75-0·96 vs 1·06, 0·95-1·17; p value for interaction 0·007). Multiple micronutrient supplements resulted in greater reductions in low birthweight (RR 0·81, 95% CI 0·74-0·89; p value for interaction 0·049), small-for-gestational-age births (0·92, 0·87-0·97; p=0·03), and 6-month mortality (0·71, 0·60-0·86; p=0·04) in anaemic pregnant women (haemoglobin <110g/L) as compared with non-anaemic pregnant women. Multiple micronutrient supplements also had a greater effect on preterm births among underweight pregnant women (BMI <18·5 kg/m(2); RR 0·84, 95% CI 0·78-0·91; p=0·01). Initiation of multiple micronutrient supplements before 20 weeks gestation provided greater reductions in preterm birth (RR 0·89, 95% CI 0·85-0·93; p=0·03). Generally, the survival and birth outcome effects of multiple micronutrient supplementation were greater with high adherence (≥95%) to supplementation. Multiple micronutrient supplements did not significantly increase the risk of stillbirth or neonatal, 6-month, or infant mortality, neither overall or in any of the 26 examined subgroups.INTERPRETATION: Antenatal multiple micronutrient supplements improved survival for female neonates and provided greater birth-outcome benefits for infants born to undernourished and anaemic pregnant women. Early initiation in pregnancy and high adherence to multiple micronutrient supplements also provided greater overall benefits. Studies should now aim to elucidate the mechanisms accounting for differences in the effect of antenatal multiple micronutrient supplements on infant health by maternal nutrition status and sex.

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Shankar, Anuraj HDepartment of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA (författare)
  • Wu, Lee S-FThe JiVitA Project, Johns Hopkins University in Bangladesh, Gaibandha, Bangladesh (författare)
  • Aboud, SaidDepartment of Microbiology and Immunology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania (författare)
  • Adu-Afarwuah, SethDepartment of Nutrition and Food Science, University of Ghana, Legon, Accra, Ghana (författare)
  • Ali, HasmotThe JiVitA Project, Johns Hopkins University in Bangladesh, Gaibandha, Bangladesh (författare)
  • Agustina, RinaSummit Institute of Development, Mataram, Indonesia (författare)
  • Arifeen, ShamsInternational Centre for Diarrhoeal Diseases Research Bangladesh (ICDDR,B), Dhaka, Bangladesh (författare)
  • Ashorn, PerCentre for Child Health Research and Department of Paediatrics, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland (författare)
  • Bhutta, Zulfiqar ACenter for Global Child Health, Hospital for Sick Children, Toronto, ON, Canada (författare)
  • Christian, ParulThe JiVitA Project, Johns Hopkins University in Bangladesh, Gaibandha, Bangladesh (författare)
  • Devakumar, DelanjathanUCL Institute for Global Health, London, UK (författare)
  • Dewey, Kathryn GDepartment of Nutrition and Program in International and Community Nutrition, University of California-Davis, Davis, CA, USA (författare)
  • Friis, HenrikDepartment of Nutrition Exercise and Sports, University of Copenhagen, Copenhagen, Denmark (författare)
  • Gomo, ExneviaCollege of Health Sciences, University of Zimbabwe, Harare, Zimbabwe (författare)
  • Gupta, PiyushDepartment of Pediatrics, University College of Medical Sciences, Delhi, India (författare)
  • Kæstel, PernilleDepartment of Nutrition Exercise and Sports, University of Copenhagen, Copenhagen, Denmark (författare)
  • Kolsteren, PatrickNutrition and Child Health Unit, Department of Public Health, Prince Leopold Institute of Tropical Medicine, Antwerp, Belgium (författare)
  • Lanou, HermannInstitut de Recherche en Sciences de la Santé, Ministry of Scientific Research and Innovation, Ouagadougou, Burkina Faso (författare)
  • Maleta, KennethSchool of Public Health and Family Medicine, University of Malawi College of Medicine, Blantyre, Malawi (författare)
  • Mamadoultaibou, AissaFood and Agriculture Organization of the United Nations, Libreville, Gabon (författare)
  • Msamanga, GernardDepartment of Community Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania (författare)
  • Osrin, DavidUCL Institute for Global Health, London, UK (författare)
  • Persson, Lars-Åke,1947-Uppsala universitet,Internationell mödra- och barnhälsovård (IMCH),Internationell barnhälsa och nutrition/Mårtensson(Swepub:uu)laper499 (författare)
  • Ramakrishnan, UshaHubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, USA (författare)
  • Rivera, Juan AInstituto Nacional de Salud Publica, Cuernavaca, Mexico (författare)
  • Rizvi, ArjumandCenter of Excellence in Women and Child Health, The Aga Khan University, Karachi, Pakistan (författare)
  • Sachdev, H P SPediatric and Clinical Epidemiology Unit, Sitar am Bhartia Institute of Science and Research, New Delhi, India (författare)
  • Urassa, WillyDepartment of Microbiology and Immunology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania (författare)
  • West, Keith P,JrThe JiVitA Project, Johns Hopkins University in Bangladesh, Gaibandha, Bangladesh (författare)
  • Zagre, NoelUNICEF Regional Office for West and Central Africa, Dakar, Senegal (författare)
  • Zeng, LingxiaDepartment of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, China (författare)
  • Zhu, ZhonghaiDepartment of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, China (författare)
  • Fawzi, Wafaie WDepartment of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA, USA (författare)
  • Sudfeld, Christopher RDepartment of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA, USA (författare)
  • Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA, USADepartment of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:The Lancet Global Health5:11, s. e1090-e11002214-109X

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