Differences in early risk factors for obesity between African American formula-fed infants and White breastfed controls

被引：14

作者：

Berger P.K. ^{[1
]}

Lavner J.A. ^{[2
]}

Smith J.J. ^{[3
]}

Birch L.L. ^{[3
]}

机构：

[1] University of Southern California, Department of Preventive Medicine, Los Angeles, CA

[2] University of Georgia, Department of Psychology, Athens, GA

[3] University of Georgia, Department of Foods and Nutrition, Athens, GA

来源：

Pilot and Feasibility Studies | / 3卷 / 1期

关键词：

Growth; Infancy; Obesity; Prevention; Race/ethnicity;

D O I：

10.1186/s40814-017-0198-8

中图分类号：

学科分类号：

摘要：

Background: Previous RCTs to prevent early rapid weight gain were conducted in predominantly White, well-educated, middle-income mother-infants at low risk for obesity. To inform the design of an RCT in a higher-risk sample, we conducted a short-term, longitudinal study to compare maternal feeding beliefs and behaviors, infant sleep, intake, and growth of African American formula feeding (AAFF) dyads to a comparison sample of White breastfeeding (WBF) dyads. We also assessed the feasibility of recruiting and retaining AAFF participants. Methods: AAFF (n = 32) and WBF (n = 25) mother-infants were assessed at 2, 8, and 16 weeks postpartum. Data included demographics and maternal reports of feeding beliefs and behaviors, infant sleep, meal size, and feeding frequency, and measured infant length and weight. Results: AAFF and WBF mothers differed in demographics. AAFF mothers reported greater agreement with pressuring the infant to eat and feeding to soothe a fussy infant. Compared to WBF infants, AAFF infants slept fewer hours and consumed more grams/feeding from 2 to 16 weeks. There were no group differences in feeding frequency, which resulted in AAFF infants consuming more grams/day of milk than WBF infants. AAFF infants had lower gestational age, lower weight at 2 weeks, and had more rapid weight gain from 8 to 16 weeks. Conclusions: Findings point to potentially modifiable risk factors that may underlie disparities in early obesity among AAFF infants, including short sleep duration, feeding beliefs and behaviors, and rapid growth, but also confirm the challenges of recruiting and retaining AAFF participants, all of which inform the design and feasibility of an early preventive intervention. © 2017 The Author(s).

引用

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