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National Trends in the Provision of Human Milk at Hospital Discharge Among Very Low-Birth-Weight Infants.
JAMA Pediatr. 2019 Sep 03 [Online ahead of print]JP

Abstract

Importance

Human milk confers important health benefits to very low-birth-weight (VLBW) infants (≤1500 g). The extent to which the use of human milk has changed over time and the factors associated with human milk use nationally in this population are poorly understood.

Objectives

To describe US trends in the provision of human milk at hospital discharge for VLBW infants during the past decade according to census region and maternal race/ethnicity, quantify associations of census region and maternal race/ethnicity with the provision of human milk at hospital discharge, and examine regional and state variations in any provision of human milk at hospital discharge among racial/ethnic groups.

Design, Setting, and Participants

A cohort study was conducted of 346 248 infants, born at 23 to 29 weeks' gestation or with a birth weight of 401 to 1500 g, who were cared for at 802 US hospitals in the Vermont Oxford Network from January 1, 2008, to December 31, 2017. The US census region was categorized as West, Midwest, Northeast, and South (reference). Maternal race/ethnicity was categorized as non-Hispanic white (reference), non-Hispanic black, Hispanic, Asian and Pacific Islanders, and Native American.

Main Outcomes and Measures

Any provision of human milk at hospital discharge, defined as the use of human milk as the only enteral feeding or the use of human milk in combination with fortifier or formula.

Results

Of the 346 248 infants in the study (172 538 boys and 173 710 girls), 46.2% were non-Hispanic white, 30.1% were non-Hispanic black, 18.3% were Hispanic of any race, 4.7% were Asian and Pacific Islanders, and 0.8% were Native American. Any provision of human milk at hospital discharge increased steadily among all infants, from 44% in 2008 to 52% in 2017. There were increases across all US census regions and racial/ethnic groups. Any provision of human milk at hospital discharge was higher in the West (among singleton births: adjusted prevalence ratio, 1.32; 95% CI, 1.25-1.39; among multiple births: adjusted prevalence ratio, 1.28; 95% CI, 1.21-1.35) and Northeast (among singleton births: adjusted prevalence ratio, 1.11; 95% CI, 1.04-1.19; among multiple births: adjusted prevalence ratio, 1.11; 95% CI, 1.04-1.19), compared with the South, and was higher among Asian mothers (among singleton births: adjusted prevalence ratio, 1.21; 95% CI, 1.18-1.25; among multiple births: adjusted prevalence ratio, 1.12; 95% CI, 1.09-1.15) and lower among Hispanic (among singleton births: adjusted prevalence ratio, 0.98; 95% CI, 0.96-1.01; among multiple births: adjusted prevalence ratio, 0.88; 95% CI, 0.86-0.91), Native American (among singleton births: adjusted prevalence ratio, 0.64; 95% CI, 0.59-0.70; among multiple births: adjusted prevalence ratio, 0.59; 95% CI, 0.50-0.69), and non-Hispanic black mothers (among singleton births: adjusted prevalence ratio, 0.67; 95% CI, 0.65-0.70; among multiple births: adjusted prevalence ratio, 0.57; 95% CI, 0.54-0.60), compared with non-Hispanic white mothers. These results were robust to adjustment for birth year and infant characteristics. Wide regional and state variations were found in any provision of human milk at hospital discharge.

Conclusions and Relevance

Overall prevalence of any provision of human milk at hospital discharge among VLBW infants has steadily increased during the past decade. Disparities by US region and race/ethnicity in the provision of human milk exist and have not diminished over time.

Authors+Show Affiliations

Department of Pediatrics, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts.Vermont Oxford Network, Burlington, Vermont.Vermont Oxford Network, Burlington, Vermont. Department of Pediatrics, Robert Larner College of Medicine, University of Vermont, Burlington. Department of Mathematics and Statistics, College of Engineering and Mathematical Sciences, University of Vermont, Burlington.Vermont Oxford Network, Burlington, Vermont. Department of Pediatrics, Robert Larner College of Medicine, University of Vermont, Burlington.Department of Pediatric Newborn Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.Vermont Oxford Network, Burlington, Vermont. Department of Pediatrics, Robert Larner College of Medicine, University of Vermont, Burlington.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31479097

Citation

Parker, Margaret G., et al. "National Trends in the Provision of Human Milk at Hospital Discharge Among Very Low-Birth-Weight Infants." JAMA Pediatrics, 2019.
Parker MG, Greenberg LT, Edwards EM, et al. National Trends in the Provision of Human Milk at Hospital Discharge Among Very Low-Birth-Weight Infants. JAMA Pediatr. 2019.
Parker, M. G., Greenberg, L. T., Edwards, E. M., Ehret, D., Belfort, M. B., & Horbar, J. D. (2019). National Trends in the Provision of Human Milk at Hospital Discharge Among Very Low-Birth-Weight Infants. JAMA Pediatrics. https://doi.org/10.1001/jamapediatrics.2019.2645
Parker MG, et al. National Trends in the Provision of Human Milk at Hospital Discharge Among Very Low-Birth-Weight Infants. JAMA Pediatr. 2019 Sep 3; PubMed PMID: 31479097.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - National Trends in the Provision of Human Milk at Hospital Discharge Among Very Low-Birth-Weight Infants. AU - Parker,Margaret G, AU - Greenberg,Lucy T, AU - Edwards,Erika M, AU - Ehret,Danielle, AU - Belfort,Mandy B, AU - Horbar,Jeffrey D, Y1 - 2019/09/03/ PY - 2020/09/03/pmc-release PY - 2019/9/4/entrez PY - 2019/9/4/pubmed PY - 2019/9/4/medline JF - JAMA pediatrics JO - JAMA Pediatr N2 - Importance: Human milk confers important health benefits to very low-birth-weight (VLBW) infants (≤1500 g). The extent to which the use of human milk has changed over time and the factors associated with human milk use nationally in this population are poorly understood. Objectives: To describe US trends in the provision of human milk at hospital discharge for VLBW infants during the past decade according to census region and maternal race/ethnicity, quantify associations of census region and maternal race/ethnicity with the provision of human milk at hospital discharge, and examine regional and state variations in any provision of human milk at hospital discharge among racial/ethnic groups. Design, Setting, and Participants: A cohort study was conducted of 346 248 infants, born at 23 to 29 weeks' gestation or with a birth weight of 401 to 1500 g, who were cared for at 802 US hospitals in the Vermont Oxford Network from January 1, 2008, to December 31, 2017. The US census region was categorized as West, Midwest, Northeast, and South (reference). Maternal race/ethnicity was categorized as non-Hispanic white (reference), non-Hispanic black, Hispanic, Asian and Pacific Islanders, and Native American. Main Outcomes and Measures: Any provision of human milk at hospital discharge, defined as the use of human milk as the only enteral feeding or the use of human milk in combination with fortifier or formula. Results: Of the 346 248 infants in the study (172 538 boys and 173 710 girls), 46.2% were non-Hispanic white, 30.1% were non-Hispanic black, 18.3% were Hispanic of any race, 4.7% were Asian and Pacific Islanders, and 0.8% were Native American. Any provision of human milk at hospital discharge increased steadily among all infants, from 44% in 2008 to 52% in 2017. There were increases across all US census regions and racial/ethnic groups. Any provision of human milk at hospital discharge was higher in the West (among singleton births: adjusted prevalence ratio, 1.32; 95% CI, 1.25-1.39; among multiple births: adjusted prevalence ratio, 1.28; 95% CI, 1.21-1.35) and Northeast (among singleton births: adjusted prevalence ratio, 1.11; 95% CI, 1.04-1.19; among multiple births: adjusted prevalence ratio, 1.11; 95% CI, 1.04-1.19), compared with the South, and was higher among Asian mothers (among singleton births: adjusted prevalence ratio, 1.21; 95% CI, 1.18-1.25; among multiple births: adjusted prevalence ratio, 1.12; 95% CI, 1.09-1.15) and lower among Hispanic (among singleton births: adjusted prevalence ratio, 0.98; 95% CI, 0.96-1.01; among multiple births: adjusted prevalence ratio, 0.88; 95% CI, 0.86-0.91), Native American (among singleton births: adjusted prevalence ratio, 0.64; 95% CI, 0.59-0.70; among multiple births: adjusted prevalence ratio, 0.59; 95% CI, 0.50-0.69), and non-Hispanic black mothers (among singleton births: adjusted prevalence ratio, 0.67; 95% CI, 0.65-0.70; among multiple births: adjusted prevalence ratio, 0.57; 95% CI, 0.54-0.60), compared with non-Hispanic white mothers. These results were robust to adjustment for birth year and infant characteristics. Wide regional and state variations were found in any provision of human milk at hospital discharge. Conclusions and Relevance: Overall prevalence of any provision of human milk at hospital discharge among VLBW infants has steadily increased during the past decade. Disparities by US region and race/ethnicity in the provision of human milk exist and have not diminished over time. SN - 2168-6211 UR - https://www.unboundmedicine.com/medline/citation/31479097/National_Trends_in_the_Provision_of_Human_Milk_at_Hospital_Discharge_Among_Very_Low-Birth-Weight_Infants L2 - https://jamanetwork.com/journals/jamapediatrics/fullarticle/10.1001/jamapediatrics.2019.2645 DB - PRIME DP - Unbound Medicine ER -
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