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CHIME: Comparing Health Interventions for Maternal Equity
Sponsor: Stanford University
Summary
The goal of this comparative effectiveness trial is to compare how three different approaches to overcome barriers to resources and provide nutrition and physical activity counseling improve maternal healthy weight in pregnancy and postpartum. The main question it aims to answer is which of the two multi-level, multi-component interventions has greater effectiveness in reducing maternal postpartum weight retention at 12-months postpartum. Hypothesis (primary): Both multi-level, multi-component interventions will have greater effectiveness reducing maternal postpartum weight retention at 12-months postpartum than the usual care group. Hypothesis (secondary): The community-based intervention will have greater effectiveness than the self-management intervention. Participants will be asked to participate in one of the study interventions from early pregnancy until 12 months postpartum and complete five research visits. General procedures include completion of: * Questionnaires * Dietary recalls * In-depth interviews * Anthropometric measurements * Collection of blood via finger stick or blood panel
Key Details
Gender
FEMALE
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
795
Start Date
2026-01-22
Completion Date
2030-04-01
Last Updated
2026-03-05
Healthy Volunteers
Yes
Interventions
Self-Management
We will universally offer social needs supports (grocery, physical activity, transportation support) widely in use in clinical settings. Patients may elect to receive all, some, or none of the supports. The patient-directed, structured self-management intervention will be provided through mobile health technology (mHealth) and/or mailings, according to patient preference. Participants will receive health information to support health education and behavior change.
Community-Based
As is currently in use broadly by community health workers, participants will complete a detailed social needs assessment and active assistance with referrals to evidence-based home visiting programs; maternal child health services to promote social support and resource access; and services to improve social determinants of health including active enrollment assistance for WIC, SNAP, healthcare and insurance, legal support, housing, job training, mental health and others. Community health workers will deliver group and individual physical activity support and assistance with behavioral goal setting.
Locations (4)
Stanford University
Palo Alto, California, United States
New York Presbyterian Queens
Flushing, New York, United States
Columbia University Medical Center
New York, New York, United States
NYU Langone Health
New York, New York, United States