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Breastfeeding Trends Among Very Low Birth Weight, Low Birth Weight, and Normal Birth Weight Infants
Angela G Campbell1, Patricia Y Miranda1
1The Pennsylvania State University, University Park, PA.
Insights
Breastfeeding rates improved for all infant birth weights. However, low birth weight infants show lower breastfeeding rates, indicating a need for targeted support and policies to improve their outcomes.
Area of Science:
- Pediatrics
- Public Health
- Maternal and Child Health
Background:
- Breastfeeding is crucial for infant health.
- Understanding trends in breastfeeding across different birth weight categories is essential for public health initiatives.
- Previous research highlights disparities in infant feeding practices.
Purpose of the Study:
- To analyze changes in breastfeeding behaviors over time for low birth weight (LBW), very low birth weight (VLBW), and normal birth weight (NBW) infants.
- To compare breastfeeding rates and durations across these birth weight groups using national US data.
Main Methods:
- Utilized data from the Early Child Longitudinal Study-Birth Cohort (2001) and the National Study of Children's Health (2007, 2011/2012).
- Employed univariate statistics and bivariate logistic models to examine breastfeeding behaviors.
- Analyzed breastfeeding initiation and duration (≥6 months) across LBW, VLBW, and NBW infant populations.
Main Results:
- Breastfeeding behaviors showed improvement for all birth weight categories between 2007 and 2011/2012.
- In 2011/2012, very low birth weight infants had higher rates of ever being breastfed compared to low birth weight and normal birth weight infants.
- Low birth weight infants exhibited significantly lower odds of ever breastfeeding (28% lower) and breastfeeding for ≥6 months (52% lower) compared to normal birth weight infants.
Conclusions:
- Breastfeeding rates have increased for very low birth weight and normal birth weight infants, nearing Healthy People 2020 goals.
- Low birth weight infants lag behind in achieving breastfeeding goals, necessitating focused interventions.
- Policy development should prioritize enhancing breastfeeding support and promotion for low birth weight infants.
Objective:
To examine the change in breastfeeding behaviors over time, among low birth weight (LBW), very low birth weight (VLBW), and normal birth weight (NBW) infants using nationally representative US data.
Study Design:
Univariate statistics and bivariate logistic models were examined using the Early Child Longitudinal Study-Birth Cohort (2001) and National Study of Children's Health (2007 and 2011/2012).
Results:
Breastfeeding behaviors improved for infants of all birth weights from 2007 to 2011/2012. In 2011/2012, a higher percentage of VLBW infants were ever breastfed compared with LBW and NBW infants. In 2011/2012, LBW infants had a 28% lower odds (95% CI, 0.57-0.92) of ever breastfeeding and a 52% lower odds (95% CI, 0.38-0.61) of breastfeeding for ≥6 months compared with NBW infants. Among black infants, a larger percentage of VLBW infants were breastfed for ≥6 months (26.2%) compared with LBW infants (14.9%).
Conclusions:
Breastfeeding rates for VLBW and NBW infants have improved over time. Both VLBW and NBW infants are close to meeting the Healthy People 2020 ever breastfeeding goal of 81.9%. LBW infants are farther from this goal than VLBW infants. The results suggest a need for policies that encourage breastfeeding specifically among LBW infants.
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