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Pediatrics. 2014 Jun;133(6):e1724-37. doi: 10.1542/peds.2013-3867. Epub 2014 May 12.

"Greenlight study": a controlled trial of low-literacy, early childhood obesity prevention.

Author information

1
Department of Pediatrics, Center for Policy, Outcomes and Prevention, Stanford University, Stanford, California; leesanders@stanford.edu.
2
Division of General Pediatrics and Adolescent Medicine, Department of Pediatrics, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina;
3
Department of Pediatrics, School of Medicine/Bellevue Hospital Center, New York University, New York, New York; and.
4
Center for Health Services Research, Vanderbilt University Medical Center, Nashville, Tennessee.

Abstract

Children who become overweight by age 2 years have significantly greater risks of long-term health problems, and children in low-income communities, where rates of low adult literacy are highest, are at increased risk of developing obesity. The objective of the Greenlight Intervention Study is to assess the effectiveness of a low-literacy, primary-care intervention on the reduction of early childhood obesity. At 4 primary-care pediatric residency training sites across the US, 865 infant-parent dyads were enrolled at the 2-month well-child checkup and are being followed through the 24-month well-child checkup. Two sites were randomly assigned to the intervention, and the other sites were assigned to an attention-control arm, implementing the American Academy of Pediatrics' The Injury Prevention Program. The intervention consists of an interactive educational toolkit, including low-literacy materials designed for use during well-child visits, and a clinician-centered curriculum for providing low-literacy guidance on obesity prevention. The study is powered to detect a 10% difference in the number of children overweight (BMI > 85%) at 24 months. Other outcome measures include observed physician-parent communication, as well as parent-reported information on child dietary intake, physical activity, and injury-prevention behaviors. The study is designed to inform evidence-based standards for early childhood obesity prevention, and more generally to inform optimal approaches for low-literacy messages and health literacy training in primary preventive care. This article describes the conceptual model, study design, intervention content, and baseline characteristics of the study population.

TRIAL REGISTRATION:

ClinicalTrials.gov NCT01040897.

KEYWORDS:

early childhood; health literacy; injury prevention; obesity prevention; primary care; resident education

PMID:
24819570
PMCID:
PMC4035594
DOI:
10.1542/peds.2013-3867
[Indexed for MEDLINE]
Free PMC Article
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