Impact of a Nutrition and Health Education Program

Last registered on August 20, 2026
View Trial History

Pre-Trial

Trial Information

General Information

Title
Impact of a Nutrition and Health Education Program
RCT ID
AEARCTR-0019428
Initial registration date
August 17, 2026

Initial registration date is when the trial was registered.

It corresponds to when the registration was submitted to the Registry to be reviewed for publication.

First published
August 20, 2026, 9:19 AM EDT

First published corresponds to when the trial was first made public on the Registry after being reviewed.

Locations

Country
China
Region

Primary Investigator

Name
Man Zhang
Affiliation
Contact Primary Investigator

Other Primary Investigator(s)

Additional Trial Information

Status
Completed
Start date
2024-10-03
End date
2026-05-12
Keywords
Agriculture, Behavior, Education
Additional Keywords
JEL code(s)
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
We intend to study whether and how nutrition education will affect children's dietary behavior.
External Link(s)

Registration Citation

Citation
Zhang, Man. 2026. "Impact of a Nutrition and Health Education Program." AEA RCT Registry. August 20. https://doi.org/10.1257/rct.19428-1.0
Sponsors & Partners
Experimental Details

Interventions

Intervention(s)
Students will be randomly assigned to one of six groups: five intervention groups (education, incentive, reminder, parent education, and labels) and one control group. The interventions were implemented over a four-week period.
Intervention (Hidden)
Intervention Start Date
2024-11-05
Intervention End Date
2025-12-25

Primary Outcomes

Primary Outcomes (end points)
Beverage choice score
Primary Outcomes (explanation)
The score is calculated using the Shanghai beverage grading system, which is based on sugar content, in a discrete choice experiment

Secondary Outcomes

Secondary Outcomes (end points)
Dietary knowledge
Secondary Outcomes (explanation)
Dietary knowledge is measured through questionnaires

Experimental Design

Experimental Design
This experiment assigns primary school students to one of five behavioral intervention groups or a control group to test the effect of different strategies on improving child’s dietary behavior.
Experimental Design Details
Randomization Method
Computer-generated block randomization
Randomization Unit
Class
Was the treatment clustered?
Yes

Experiment Characteristics

Sample size: planned number of clusters
18 classes
Sample size: planned number of observations
1,080 students and their parents
Sample size (or number of clusters) by treatment arms
Control Group: 3 classes (180students)
Each intervetion group : 3 classes (180 students)
Total: 18 classes (1,080 students)
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Supporting Documents and Materials
IRB

Institutional Review Boards (IRBs)

IRB Name
School of Agricultural Economics and Rural Development, Renmin University of China, Beijing, China
IRB Approval Date
2024-09-27
IRB Approval Number
SARD-2024-11
Analysis Plan

Post-Trial

Post Trial Information

Study Withdrawal

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Intervention

Is the intervention completed?
No
Data Collection Complete
Data Publication

Data Publication

Is public data available?
No

Program Files

Program Files
Reports, Papers & Other Materials

Relevant Paper(s)

Reports & Other Materials