Date of Award

1-1-2019

Document Type

Open Access Thesis

Degree Name

Master of Public Health (MPH)

Department

School of Public Health

First Advisor

Nicola Hawley

Abstract

Rising global obesity rates impact every aspect of health, including maternal-fetal health. Samoa has a disproportionate burden of obesity, with more than half of Samoan women entering pregnancy obese. Given Samoan women’s high parity (4), postpartum weight retention (PPWR) may be a significant source of weight gain over women’s lifetimes. Little is currently known about PPWR among Samoan women, so this analysis sought to document PPWR trajectories, assess factors – like breastfeeding -- associated with PPWR. Data of 127 mother-infant dyads from the 2017 Foafoaga O le Ola cohort were used in analysis. Researchers collected demographic and lifestyle data, as well as height measures. Maternal postpartum weight was collected at Visit 1 (1 week), Visit 2 (2 months), and Visit 3 (4 months). We a mixed method approach (“PROC MIXED”) with an unspecified covariance structure (“Type=un”) to evaluate PPWR and breastfeeding’s impact. The ‘lsmeans’ statement was used to generate least squares means and to compare means across different levels of the predictor variables. Women had an average age of 26.9 years, an average Visit 1 BMI of 34.1, and an average parity of 1.87. The final model included maternal education (F(2,116)=3.47, p=0.03), time (F(2,116)=13.3, p=

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