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Using Nudge Strategies to Promote Healthier Beverage Intake Among College Students

NCT ID: NCT06596564

Last Updated: 2025-05-28

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

300 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-10-01

Study Completion Date

2026-07-30

Brief Summary

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The primary objective of this study is to investigate whether three nudging interventions would affect the beverage selection and consumption behaviors of Chinese university students. These interventions encompass providing information on the sugar content of sugar-sweetened beverages (SSBs), disseminating harmful information about SSBs, and showcasing the social norm that the majority of students opt for mineral water. Through a single-factor between-subjects experiment, we aim to examine the impact of these nudge interventions on the proportion of students choosing sugary drinks versus mineral water, thereby assessing their effectiveness in guiding healthier beverage choices.

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Detailed Description

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As the prevalence of overweight, obesity, and chronic diseases continues to escalate, excessive consumption of sugar-sweetened beverages (SSBs) has emerged as a growing public health concern globally. One approach to reducing beverage intake while conserving resources is the utilization of nudge strategies. Nudge strategies, characterized by their low cost and ease of implementation, facilitate individuals in making more accurate and beneficial choices in a predictable manner, through subtle interventions that do not prohibit any options or significantly alter incentives. This nudge experiment will be conducted in a classroom setting, where participants will be randomly assigned to four groups for beverage selection: No Nudge Intervention Group, Sugar Content Information Nudge Group, Sugar Harmful information Nudge Group and Social Norm Nudge Group. Participants will access the nudge content specific to their respective groups via the professional survey platform of Questionnaire Star and make a choice between cola and mineral water.

Conditions

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Obesity Food Selection

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

SINGLE

Participants
This experiment will invite university students under the pretext of conducting other surveys. The content of this nudge intervention experiment will appear at the end of the Questionnaire Star platform, framed as a token of appreciation for participants' time and effort, offering a gift choice between cola and mineral water. This approach aims to prevent participants from guessing the true purpose of the experiment, which could potentially bias the experimental results.

Study Groups

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Control

In this group, no nudge interventions were implemented, only data were collected.

Group Type NO_INTERVENTION

No interventions assigned to this group

choice architecture (Sugar Content Information)

Students are exposed to information about the sugar content of cola on the Questionnaire Star platform to "nudge" students towards healthier choices

Group Type EXPERIMENTAL

choice architecture

Intervention Type BEHAVIORAL

Display the sugar content of the drink on the platform.

choice architecture (Sugar Harm Information)

Students are exposed to information about the harms of cola on the Questionnaire Star platform to "nudge" students towards healthier choices

Group Type EXPERIMENTAL

choice architecture

Intervention Type BEHAVIORAL

Showing the various harms that can come from long-term excessive consumption of sugary beverages on the platform.

choice architecture (Social Norm Information)

Students are exposed to information about the most peers choose mineral water on the Questionnaire Star platform to "nudge" students towards healthier choices

Group Type EXPERIMENTAL

choice architecture

Intervention Type BEHAVIORAL

The platform shows the information that the majority of their peers have chosen mineral water.

Interventions

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choice architecture

Display the sugar content of the drink on the platform.

Intervention Type BEHAVIORAL

choice architecture

Showing the various harms that can come from long-term excessive consumption of sugary beverages on the platform.

Intervention Type BEHAVIORAL

choice architecture

The platform shows the information that the majority of their peers have chosen mineral water.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* college students
* 18 years or above of age
* willing to participate

Exclusion Criteria

* None
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Nanjing Medical University

OTHER

Sponsor Role lead

Responsible Party

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Yuan He

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Nanjing Medical University

Nanjing, Jiangsu, China

Site Status RECRUITING

Countries

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China

Central Contacts

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Yuan He, PHD

Role: CONTACT

[email protected]
18651625286

Facility Contacts

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Yuan He

Role: primary

[email protected]
18651625286

Other Identifiers

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2023-SR-052

Identifier Type: -

Identifier Source: org_study_id

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