Introduction
This study assesses the impact of a culturally modified, motivationally targeted,
individually tailored intervention on postpartum weight retention among Hispanic women
with abnormal glucose tolerance during pregnancy.
Methods
Estudio Parto (Project Aiming to Reduce Type twO diabetes) was an RCT conducted in
Western Massachusetts (collected 2013‒2017, analyzed 2018–2020). Hispanic women with
blood glucose ≥140 mg/dL (7.77 mmol/L) on routine nonfasting oral glucose challenge
test were randomized to a Lifestyle Intervention (n=100) focusing on healthy exercise and diet or to a comparison Health and Wellness
Intervention (n=104) with no mention of exercise or diet behavior changes. The primary outcome was
change in weight, calculated as the difference between prepregnancy weight and 6-week,
6-month, and 12-month postpartum weight. The secondary outcome was achievement of
weight reduction to prepregnancy weight if prepregnancy BMI was normal, or a 5% reduction
if prepregnancy BMI was overweight/obese.
Results
In intent-to-treat analyses, there were no significant differences in weight change
pattern between the intervention arms across all follow-up timepoints (β=0.03, 95%
CI= −3.38, 3.45). However, at 12 months postpartum, women in the Lifestyle Intervention
arm had a statistically significant 2.5-fold higher odds of meeting the secondary
weight reduction outcome (OR=2.52, 95% CI=1.09, 5.82) than women in the Health and
Wellness arm. Regardless of intervention arm, women who reported higher levels of
postpartum sports/exercise had a greater decrease in weight (β= −2.39, 95% CI= −4.66,
−0.13, p=0.04) than women reporting lower levels.
Conclusions
In this randomized trial among Hispanic women, no significant overall differences
in weight change pattern between intervention arms were observed. Higher levels of
self-reported physical activity were associated with greater weight loss in both arms.
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Article Info
Publication History
Published online: May 13, 2021
Footnotes
Trial Registration: This study is registered at www.clinicaltrials.gov NCT01679210.
Identification
Copyright
© 2021 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.
