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A comparison of breastfeeding rates by obesity class.
J Matern Fetal Neonatal Med 2018; 31(22):3021-3026JM

Abstract

PURPOSE

The purpose of this study is to compare breastfeeding initiation rates for women across body mass index (BMI) classes, including normal BMI (18.50-24.99 kg/m2), overweight (25.00-29.99 kg/m2), obese (30.00-39.99 kg/m2), morbidly obese (40.00-49.99 kg/m2) and extreme obesity (≥50.00 kg/m2).

MATERIALS AND METHODS

Retrospective cohort of women with singleton pregnancies, delivering in St. John's, NL between 2002 and 2011. The primary outcome was any breastfeeding on hospital discharge. Breastfeeding rates across BMI categories were compared, using univariate analyses. Multivariate analysis included additional maternal and obstetric variables.

RESULTS

Twelve thousand four hundred twenty-two women were included: 8430 breastfed and 3992 did not breastfeed on hospital discharge. Progressively decreasing rates of breastfeeding were noted with increasing obesity class: normal BMI (71.1%), overweight (69.1%), obese (61.6%), morbidly obese (54.2%), and extremely obese women (42.3%). Multivariate analysis confirmed that increasing obesity class resulted in lower odds of breastfeeding: overweight (adjusted odds ratios (aOR) 0.86, 95%CI 0.76-0.98), obese (aOR 0.65, 95%CI 0.57-0.74), morbidly obese (aOR 0.57, 95%CI 0.44-0.74), and extreme obesity (aOR 0.37, 95%CI 0.19-0.74).

CONCLUSION

Women in higher obesity classes are progressively less likely to initiate breastfeeding. Women with the highest prepregnancy BMIs should be particularly counseled on the benefits of breastfeeding.

Authors+Show Affiliations

a Department of Obstetrics and Gynecology , Memorial University of Newfoundland , St. John's , Canada.b Newfoundland and Labrador Support Unit Strategy for Patient-Oriented Research (SPOR - CIHR) , Ottawa , Ontario , Canada. c Department of Research, Grant and Contract Services , Memorial University of Newfoundland , St. John's , Canada.a Department of Obstetrics and Gynecology , Memorial University of Newfoundland , St. John's , Canada. d Perinatal Program Newfoundland and Labrador , Ottawa , Ontario , Canada. e Department of Pediatrics , Memorial University of Newfoundland , St. John's , Canada.f Department of Internal Medicine , Memorial University of Newfoundland , St. John's , Canada.a Department of Obstetrics and Gynecology , Memorial University of Newfoundland , St. John's , Canada.

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

28760080

Citation

Ramji, Naila, et al. "A Comparison of Breastfeeding Rates By Obesity Class." The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians, vol. 31, no. 22, 2018, pp. 3021-3026.
Ramji N, Challa S, Murphy PA, et al. A comparison of breastfeeding rates by obesity class. J Matern Fetal Neonatal Med. 2018;31(22):3021-3026.
Ramji, N., Challa, S., Murphy, P. A., Quinlan, J., & Crane, J. M. G. (2018). A comparison of breastfeeding rates by obesity class. The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians, 31(22), pp. 3021-3026. doi:10.1080/14767058.2017.1362552.
Ramji N, et al. A Comparison of Breastfeeding Rates By Obesity Class. J Matern Fetal Neonatal Med. 2018;31(22):3021-3026. PubMed PMID: 28760080.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A comparison of breastfeeding rates by obesity class. AU - Ramji,Naila, AU - Challa,Satyadeva, AU - Murphy,Phil A, AU - Quinlan,James, AU - Crane,Joan M G, Y1 - 2017/08/11/ PY - 2017/8/2/pubmed PY - 2018/12/12/medline PY - 2017/8/2/entrez KW - BMI KW - breastfeeding KW - breastfeeding initiation KW - obesity class KW - pregnancy outcome SP - 3021 EP - 3026 JF - The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians JO - J. Matern. Fetal. Neonatal. Med. VL - 31 IS - 22 N2 - PURPOSE: The purpose of this study is to compare breastfeeding initiation rates for women across body mass index (BMI) classes, including normal BMI (18.50-24.99 kg/m2), overweight (25.00-29.99 kg/m2), obese (30.00-39.99 kg/m2), morbidly obese (40.00-49.99 kg/m2) and extreme obesity (≥50.00 kg/m2). MATERIALS AND METHODS: Retrospective cohort of women with singleton pregnancies, delivering in St. John's, NL between 2002 and 2011. The primary outcome was any breastfeeding on hospital discharge. Breastfeeding rates across BMI categories were compared, using univariate analyses. Multivariate analysis included additional maternal and obstetric variables. RESULTS: Twelve thousand four hundred twenty-two women were included: 8430 breastfed and 3992 did not breastfeed on hospital discharge. Progressively decreasing rates of breastfeeding were noted with increasing obesity class: normal BMI (71.1%), overweight (69.1%), obese (61.6%), morbidly obese (54.2%), and extremely obese women (42.3%). Multivariate analysis confirmed that increasing obesity class resulted in lower odds of breastfeeding: overweight (adjusted odds ratios (aOR) 0.86, 95%CI 0.76-0.98), obese (aOR 0.65, 95%CI 0.57-0.74), morbidly obese (aOR 0.57, 95%CI 0.44-0.74), and extreme obesity (aOR 0.37, 95%CI 0.19-0.74). CONCLUSION: Women in higher obesity classes are progressively less likely to initiate breastfeeding. Women with the highest prepregnancy BMIs should be particularly counseled on the benefits of breastfeeding. SN - 1476-4954 UR - https://www.unboundmedicine.com/medline/citation/28760080/A_comparison_of_breastfeeding_rates_by_obesity_class_ L2 - http://www.tandfonline.com/doi/full/10.1080/14767058.2017.1362552 DB - PRIME DP - Unbound Medicine ER -