Vulnerable newborn types: analysis of subnational, population-based birth cohorts for 541 285 live births in 23 countries, 2000-2021.

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dc.contributor.affiliationDepartment of Statistics, Kintampo Health Research Centre, Kintampo, Ghana.
dc.contributor.affiliationCentre for Medical Parasitology, Department for Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
dc.contributor.affiliationInfectious Diseases Research Collaboration, Kampala, Uganda.
dc.contributor.affiliationHealth Systems Research Unit, South African Medical Research Council, Cape Town, South Africa.
dc.contributor.affiliationDepartment of Obstetrics & Gynaecology, University of Colombo, Colombo, Sri Lanka.
dc.contributor.affiliationSection of Infectious Diseases, Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA.
dc.contributor.affiliationCenter for Child, Adolescent and Maternal Health Research, Faculty of Medicine and Health Technology, Tampere University and Tampere University Hospital, Tampere, Finland.
dc.contributor.affiliationHealth Specialist PMTCT and Pediatric AIDS, UNICEF, Lusaka, Zambia.
dc.contributor.affiliationDepartment of Women's and Children's Health, Uppsala University, Uppsala, Sweden.
dc.contributor.affiliationAravind Eye Care System, Madurai, India.
dc.contributor.affiliationDepartment of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA.
dc.contributor.affiliationResearch Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa.
dc.contributor.affiliationInstitute for Global Health Sciences and Department of Obstetrics and Gynecology, University of California San Francisco, San Francisco, California, USA.
dc.contributor.affiliationCollege Graduate of Studies, University of South Africa, Johannesburg, South Africa.
dc.contributor.affiliationIntraHealth International, Dhaka, Bangladesh.
dc.contributor.affiliationProjahnmo Research Foundation, Dhaka, Bangladesh.
dc.contributor.affiliationNepal Nutrition Intervention Project - Sarlahi (NNIPS), Kathmandu, Nepal.
dc.contributor.affiliationDepartment of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA.
dc.contributor.affiliationDepartment of Pediatric Newborn Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
dc.contributor.affiliationJiVitA Maternal and Child Health Research Project, Rangpur, Bangladesh.
dc.contributor.affiliationDepartment of Health Policy Planning and Management, Makerere University School of Public Health, New Mulago Hospital Complex, Kampala, Uganda.
dc.contributor.affiliationDepartment of Obstetrics and Gynecology, Columbia University Medical Center, New York, New York, USA.
dc.contributor.affiliationDivision of Birth Cohort Study, Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangzhou, China.
dc.contributor.affiliationEpidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, UK.
dc.contributor.affiliationKintampo Health Research Centre, Research and Development Division, Kintampo, Ghana.
dc.contributor.affiliationMedicine Department, Faculty of Medicine, University of Namur, Namur, Belgium.
dc.contributor.affiliationDepartment of Paediatrics and Child Health, The Aga Khan University, Karachi, Pakistan.
dc.contributor.affiliationPoverty, Health and Nutrition Division, International Food Policy Research Institute, Washington, DC, USA.
dc.contributor.affiliationDepartment of Food Technology, Safety and Health, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium.
dc.contributor.affiliationArgentine Society of Paediatrics, Ciudad Autónoma de Buenos Aires, Argentina.
dc.contributor.affiliationDepartment of Maternal, Newborn, Child and Adolescent Health and Ageing, World Health Organization, Geneva, Switzerland.
dc.contributor.affiliationDepartment of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
dc.contributor.affiliationDepartment of Nutrition and Food Science, University of Ghana, Accra, Ghana.
dc.contributor.affiliationUniversity of Alabama at Birmingham, Birmingham, Alabama, USA.
dc.contributor.affiliationDepartment of Global Health, Milken Institute School of Public Health, Washington, DC, USA.
dc.contributor.affiliationDepartment of Population Medicine, College of Medicine, QU Health, Qatar University, Doha, Qatar.
dc.contributor.affiliationBeth Israel Deaconess Medical Center, Boston, Massachusetts, USA.
dc.contributor.affiliationASEAN Institute for Health Development, Mahidol University, Salaya, Thailand.
dc.contributor.affiliationDepartment of Global Health, Boston University School of Public Health, Boston, Massachusetts, USA.
dc.contributor.affiliationDivision of Global Health Equity & Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA.
dc.contributor.affiliationDepartment of Disease Control, Faculty of Infectious & Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK.
dc.contributor.affiliationDepartment of Infectious Diseases, University of Melbourne, Doherty Institute, Melbourne, Victoria, Australia.
dc.contributor.affiliationDepartment of Nutrition and Dietetics, School of Public Health, Addis Ababa University, Addis Ababa, Ethiopia.
dc.contributor.affiliationInstitute for Global Nutrition, Department of Nutrition, University of California, Davis, California, USA.
dc.contributor.affiliationChild Health Research Foundation, Dhaka, Bangladesh.
dc.contributor.affiliationThe Aga Khan University, Karachi, Pakistan.
dc.contributor.affiliationDepartment of Global and Community Health, College of Public Health, George Mason University, Fairfax, Virginia, USA.
dc.contributor.affiliationDivision of Global Health, Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden.
dc.contributor.affiliationIndian Institute of Public Health, Public Health Foundation of India, Bengaluru, India.
dc.contributor.affiliationMenzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia.
dc.contributor.affiliationUniversity Obstetrics Unit, De Soysa Hospital for Women, Colombo, Sri Lanka.
dc.contributor.affiliationAriadne Labs, Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA.
dc.contributor.affiliationUniversity of Ghana School of Public Health, Accra, Ghana.
dc.contributor.affiliationCollege of Medicine and Public Health, Ubon Ratchathani University, Ubon Ratchathani, Thailand.
dc.contributor.affiliationGertrude H Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, New York, USA.
dc.contributor.affiliationInstitute for Global Health Sciences, Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA.
dc.contributor.affiliationIfakara Health Institute, Dar es Salaam, Tanzania.
dc.contributor.affiliationNational Institute for Medical Research, Dar es Salaam, Tanzania.
dc.contributor.affiliationDepartment of Food Technology, Safety and Health, Ghent University, Ghent, Belgium.
dc.contributor.affiliationSchool of Global and Public Health, Kamuzu University of Health Sciences, Blantyre, Malawi.
dc.contributor.affiliationNational Institute of Perinatology, Maternal-Fetal Medicine Department, Mexico City, Mexico.
dc.contributor.affiliationSchool of Public Health, College of Medicine and Health Sciences, University of Rwanda, Kigali, Rwanda.
dc.contributor.affiliationDepartment of Obstetrics and Gynecology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA.
dc.contributor.affiliationCentre for Infectious Disease Research in Zambia, Lusaka, Zambia.
dc.contributor.affiliationAddis Continental Institute of Public Health, Addis Ababa, Ethiopia.
dc.contributor.affiliationDepartment of Obstetrics and Gynecology, St. Paul's Hospital Millennium Medical College, Addis Ababa, Ethiopia.
dc.contributor.affiliationInstitute for Maternal and Child Health - IRCCS 'Burlo Garofolo', WHO Collaborating Centre for Maternal and Child Health, Trieste, Italy.
dc.contributor.affiliationNational Institute for Medical Research, Tanga Centre, Tanga, Tanzania.
dc.contributor.affiliationDepartment of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China.
dc.contributor.affiliationCentre for Health Research and Development, Society for Applied Studies, Delhi, India.
dc.contributor.affiliationDepartment of Global Health, Milken Institute School of Public Health, George Washington University, Washington, DC, USA.
dc.contributor.affiliationDepartment of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA.
dc.contributor.affiliationHIV and Other Infectious Diseases Research Unit, South African Medical Research Council, Cape Town, South Africa.
dc.contributor.affiliationPostgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil.
dc.contributor.affiliationMinistry of Health Zanzibar, Zanzibar, Tanzania.
dc.contributor.affiliationDepartment of Biological Sciences, School of Natural Sciences, University of Zambia, Lusaka, Zambia.
dc.contributor.affiliationDepartment of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA.
dc.contributor.affiliationZvitambo Institute for Maternal and Child Health Research, Harare, Zimbabwe.
dc.contributor.affiliationCIDRZ
dc.contributor.affiliationCentre for Infectious Disease Research in Zambia (CIDRZ)
dc.contributor.authorErchick DJ
dc.contributor.authorHazel EA
dc.contributor.authorKatz J
dc.contributor.authorLee ACC
dc.contributor.authorDiaz M
dc.contributor.authorWu LSF
dc.contributor.authorYoshida S
dc.contributor.authorBahl R
dc.contributor.authorGrandi C
dc.contributor.authorLabrique AB
dc.contributor.authorRashid M
dc.contributor.authorAhmed S
dc.contributor.authorRoy AD
dc.contributor.authorHaque R
dc.contributor.authorShaikh S
dc.contributor.authorBaqui AH
dc.contributor.authorSaha SK
dc.contributor.authorKhanam R
dc.contributor.authorRahman S
dc.contributor.authorShapiro R
dc.contributor.authorZash R
dc.contributor.authorSilveira MF
dc.contributor.authorBuffarini R
dc.contributor.authorKolsteren P
dc.contributor.authorLachat C
dc.contributor.authorHuybregts L
dc.contributor.authorRoberfroid D
dc.contributor.authorZeng L
dc.contributor.authorZhu Z
dc.contributor.authorHe J
dc.contributor.authorQiu X
dc.contributor.authorGebreyesus SH
dc.contributor.authorTesfamariam K
dc.contributor.authorBekele D
dc.contributor.authorChan G
dc.contributor.authorBaye E
dc.contributor.authorWorkneh F
dc.contributor.authorAsante KP
dc.contributor.authorKaali EB
dc.contributor.authorAdu-Afarwuah S
dc.contributor.authorDewey KG
dc.contributor.authorGyaase S
dc.contributor.authorWylie BJ
dc.contributor.authorKirkwood BR
dc.contributor.authorManu A
dc.contributor.authorThulasiraj RD
dc.contributor.authorTielsch J
dc.contributor.authorChowdhury R
dc.contributor.authorTaneja S
dc.contributor.authorBabu GR
dc.contributor.authorShriyan P
dc.contributor.authorAshorn P
dc.contributor.authorMaleta K
dc.contributor.authorAshorn U
dc.contributor.authorMangani C
dc.contributor.authorAcevedo-Gallegos S
dc.contributor.authorRodriguez-Sibaja MJ
dc.contributor.authorKhatry SK
dc.contributor.authorLeClerq SC
dc.contributor.authorMullany LC
dc.contributor.authorJehan F
dc.contributor.authorIlyas M
dc.contributor.authorRogerson SJ
dc.contributor.authorUnger HW
dc.contributor.authorGhosh R
dc.contributor.authorMusange S
dc.contributor.authorRamokolo V
dc.contributor.authorZembe-Mkabile W
dc.contributor.authorLazzerini M
dc.contributor.authorRishard M
dc.contributor.authorWang D
dc.contributor.authorFawzi WW
dc.contributor.authorMinja DTR
dc.contributor.authorSchmiegelow C
dc.contributor.authorMasanja H
dc.contributor.authorSmith E
dc.contributor.authorLusingu JPA
dc.contributor.authorMsemo OA
dc.contributor.authorKabole FM
dc.contributor.authorSlim SN
dc.contributor.authorKeentupthai P
dc.contributor.authorMongkolchati A
dc.contributor.authorKajubi R
dc.contributor.authorKakuru A
dc.contributor.authorWaiswa P
dc.contributor.authorWalker D
dc.contributor.authorHamer DH
dc.contributor.authorSemrau KEA
dc.contributor.authorChaponda EB
dc.contributor.authorChico RM
dc.contributor.authorBanda B
dc.contributor.authorMusokotwane K
dc.contributor.authorManasyan A
dc.contributor.authorPry JM
dc.contributor.authorChasekwa B
dc.contributor.authorHumphrey J
dc.contributor.authorBlack RE
dc.date.accessioned2025-05-23T11:40:36Z
dc.date.issued2023-May-08
dc.description.abstractOBJECTIVE: To examine prevalence of novel newborn types among 541 285 live births in 23 countries from 2000 to 2021. DESIGN: Descriptive multi-country secondary data analysis. SETTING: Subnational, population-based birth cohort studies (n = 45) in 23 low- and middle-income countries (LMICs) spanning 2000-2021. POPULATION: Liveborn infants. METHODS: Subnational, population-based studies with high-quality birth outcome data from LMICs were invited to join the Vulnerable Newborn Measurement Collaboration. We defined distinct newborn types using gestational age (preterm [PT], term [T]), birthweight for gestational age using INTERGROWTH-21st standards (small for gestational age [SGA], appropriate for gestational age [AGA] or large for gestational age [LGA]), and birthweight (low birthweight, LBW [<2500 g], nonLBW) as ten types (using all three outcomes), six types (by excluding the birthweight categorisation), and four types (by collapsing the AGA and LGA categories). We defined small types as those with at least one classification of LBW, PT or SGA. We presented study characteristics, participant characteristics, data missingness, and prevalence of newborn types by region and study. RESULTS: Among 541 285 live births, 476 939 (88.1%) had non-missing and plausible values for gestational age, birthweight and sex required to construct the newborn types. The median prevalences of ten types across studies were T+AGA+nonLBW (58.0%), T+LGA+nonLBW (3.3%), T+AGA+LBW (0.5%), T+SGA+nonLBW (14.2%), T+SGA+LBW (7.1%), PT+LGA+nonLBW (1.6%), PT+LGA+LBW (0.2%), PT+AGA+nonLBW (3.7%), PT+AGA+LBW (3.6%) and PT+SGA+LBW (1.0%). The median prevalence of small types (six types, 37.6%) varied across studies and within regions and was higher in Southern Asia (52.4%) than in Sub-Saharan Africa (34.9%). CONCLUSIONS: Further investigation is needed to describe the mortality risks associated with newborn types and understand the implications of this framework for local targeting of interventions to prevent adverse pregnancy outcomes in LMICs.
dc.identifier.doi10.1111/1471-0528.17510
dc.identifier.urihttps://pubs.cidrz.org/handle/123456789/10240
dc.sourceBJOG : an international journal of obstetrics and gynaecology
dc.titleVulnerable newborn types: analysis of subnational, population-based birth cohorts for 541 285 live births in 23 countries, 2000-2021.

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