Increasing Food Literacy in Preschoolers to Reduce Obesity Risk

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

770 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-10-03

Study Completion Date

2026-08-31

Brief Summary

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The goal of this clinical trial is to examine the effects of a nutrition education program on preschool children's food literacy and food acceptance, and to examine the added influence of a healthy eating curriculum and parent education on children's food knowledge and healthful food choices. The project will be evaluated with 450 children ages 3 to 5 years in center-based childcare programs serving predominantly Supplemental Nutrition Assistance Program (SNAP)-eligible families in Pennsylvania. Outcomes for children who receive the added healthy eating curriculum will be compared to children in classrooms that only receive the nutrition education program.

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Detailed Description

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Repeatedly exposing young children to new foods can increase their willingness to try those foods, and they may - with time - learn to like those foods. Being able to learn about, touch and taste new foods can be a powerful tool to foster young children's liking of new foods. This project's goals are to test whether a preschool nutrition education program can improve (1) children's ability to name and identify fruits and vegetables, (2) children's knowledge about food and nutrition, (3) children's healthful food choices during a meal, and (4) parenting around children's eating. Participants will include 450 children ages 3 to 5 years in center-based childcare programs serving a large majority of families experiencing poverty in Pennsylvania. In all classrooms, children will receive food literacy lessons designed to help them learn about different fruits and vegetables, where they grow, and why they are good for our bodies. Children in intervention classrooms will receive food literacy lessons, in addition to lessons on healthy eating designed to improve children's nutrition knowledge. Teachers in intervention classrooms will be provided with materials designed to increase children's knowledge about nutrition and healthy eating. Intervention parents will receive web-based lessons designed to improve parenting practices related to children's eating behaviors. The study will be conducted over a 14-month period, and a variety of child, teacher, classroom and parent outcomes will be measured before, during and after the intervention. The results of this study are anticipated to add new information on ways to improve children's nutrition knowledge and acceptance of fruits and vegetables.

Conditions

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Food Preferences Food Selection Eating, Healthy Obesity, Childhood

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

The project is a cluster-randomized trial, with a 1:1 ratio of classroom random assignment to intervention or control.

Primary Study Purpose

PREVENTION

Blinding Strategy

SINGLE

Outcome Assessors

Study team members who will conduct individual research assessments with each child will be blinded to study condition.

Study Groups

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Healthy Bodies Project Comparison (HBP)

All classrooms will receive the Eating the Alphabet curriculum, which includes 27 lessons that introduce children to a new fruit or vegetable from A-Z each week. Parents in comparison and intervention classrooms will receive access to web-based parent resources related to the Eating the Alphabet curriculum (e.g., food of the week fact sheets with recipes and suggestions for use, and coloring pages).

Group Type NO_INTERVENTION

No interventions assigned to this group

Healthy Bodies Project Plus (HBP+)

Intervention classrooms will receive the Eating the Alphabet curriculum described above for comparison classrooms, in addition to (1) the Healthy Eating curriculum, (2) classroom materials and teacher training designed to improve the classroom food and mealtime environment in ways that increase food acceptance, and (3) parent/caregiver education on responsive food parenting.

Group Type EXPERIMENTAL

Healthy Eating Curriculum

Intervention Type BEHAVIORAL

The Healthy Eating (HE) curriculum is designed to provide children with skills needed to develop healthy eating habits. Each lesson builds upon the overall goal of creating a healthy restaurant. Children are taught to identify differences between GO and WHOA foods, recognize the five food groups, and learn to make healthy food choices.

Improving the Classroom Food and Mealtime Environment

Intervention Type BEHAVIORAL

HBP+ Classrooms will receive additional sensory activities for each lesson (e.g., posters, food models, games) designed to improve the classroom food environment and provide repeated exposure to activities and messages about fruits and vegetables. Teachers in HBP+ classrooms will be provided with additional training on strategies shown to increase food acceptance in preschool children (e.g., modeling, encouraging children to try foods without coercion). In addition, HBP+ classrooms will include "tasting charts" that children will stamp to indicate their liking for each food each week.

Parent Education

Intervention Type BEHAVIORAL

Parents in intervention classrooms will be given access to 8 web-based lessons on food parenting and responsive parenting. Topics include: establishing mealtime routines, shopping healthy on a budget; modeling of healthy eating behaviors; addressing picky eating in children; structuring low-stress mealtime environments; the division of responsibility in feeding, and portion control.

ECE Food Acceptance Training

Intervention Type BEHAVIORAL

HBP+ early childhood educators (ECEs) will be asked to complete an online, self-paced course on increasing food acceptance in preschool children. Topics will include: repeated exposure to foods; modeling of healthy eating behaviors; addressing picky eating in children; structuring low-stress mealtime environments; and the division of responsibility in feeding.

Interventions

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Healthy Eating Curriculum

The Healthy Eating (HE) curriculum is designed to provide children with skills needed to develop healthy eating habits. Each lesson builds upon the overall goal of creating a healthy restaurant. Children are taught to identify differences between GO and WHOA foods, recognize the five food groups, and learn to make healthy food choices.

Intervention Type BEHAVIORAL

Improving the Classroom Food and Mealtime Environment

HBP+ Classrooms will receive additional sensory activities for each lesson (e.g., posters, food models, games) designed to improve the classroom food environment and provide repeated exposure to activities and messages about fruits and vegetables. Teachers in HBP+ classrooms will be provided with additional training on strategies shown to increase food acceptance in preschool children (e.g., modeling, encouraging children to try foods without coercion). In addition, HBP+ classrooms will include "tasting charts" that children will stamp to indicate their liking for each food each week.

Intervention Type BEHAVIORAL

Parent Education

Parents in intervention classrooms will be given access to 8 web-based lessons on food parenting and responsive parenting. Topics include: establishing mealtime routines, shopping healthy on a budget; modeling of healthy eating behaviors; addressing picky eating in children; structuring low-stress mealtime environments; the division of responsibility in feeding, and portion control.

Intervention Type BEHAVIORAL

ECE Food Acceptance Training

HBP+ early childhood educators (ECEs) will be asked to complete an online, self-paced course on increasing food acceptance in preschool children. Topics will include: repeated exposure to foods; modeling of healthy eating behaviors; addressing picky eating in children; structuring low-stress mealtime environments; and the division of responsibility in feeding.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Preschool children enrolled in participating centers

Exclusion Criteria

* Severe food allergies that prevent children from consuming project foods
* Presence of a developmental or sensory disability that affects food intake and/or learning
* Lack of English fluency (children and caregivers)
* Children not regularly present during days/times that intervention lessons are delivered
* Parents who are not involved in feeding/preparing meals for children at least 50% of the time

Minimum Eligible Age

3 Years

Maximum Eligible Age

6 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes