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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT04912375
Other study ID # 2021effood
Secondary ID
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date June 24, 2021
Est. completion date December 2024

Study information

Verified date January 2024
Source The University of Hong Kong
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Background: Experimental and cross-sectional evidence suggests that poor executive function can lead to heightened reactivity to food cues and perceived greater reward of unhealthy but palatable foods and subsequently lead to overeating or clinical eating disorders. This may be an important reason for the increasing trend of obesity in our society. Aims: This study will investigate the interrelationships among executive function, reactivity to food-related cues and eating style in young adults. In addition, this study will examine the influence of food environment and stress on reactivity to food-related cues and executive function and how executive function and reactivity to food-related cues would influence health risky behaviours in young adults. We will also conduct a pilot randomized control trial (RCT) to develop the culturally specific goal priming intervention for the Chinese adults and test its effect on decision-making for food choice among adults with low executive function. Design and subjects: This will be a three-wave cohort study in young adults who are recruited in their final-year of first post-secondary education and follow-up at six months and 12 months after their graduation. For the pilot RCT, a 2 (low vs. high executive function) x 2 (with vs. without goal priming intervention) will be used to test the effect of goal priming intervention on food choice. The goal priming intervention will be 5-min word-searching task to prime goals of healthy eating. Main outcome measures: Participants will be invited to complete a series on computerized tasks and other assessments online in each wave to assess their executive function, risk taking propensity, reactivity to food-related cues, perceived stress, exposure to food-related cues, eating style and other health-related behaviours. Structural equation modelling will be used to test the interrelationships among executive function, reactivity to food-related cues and eating style, among exposure to food-related cues, perceived stress and reactivity to food-related cues, and among executive function, reactivity to food-related cues, risk taking and adoption of health-related behaviours. For the pilot RCT, the effect of intervention on tendency of choosing healthy and low-calorie foods will be evaluated using logistic regression model with level of executive function and goal-priming intervention as the main between-group factors.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 126
Est. completion date December 2024
Est. primary completion date December 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 30 Years
Eligibility Inclusion Criteria: - Healthy adults who can speak Chinese or Mandarin - Aged between 18 and 30 years Exclusion Criteria: - Having cognitive difficulties to understand the study instruments - Having a physical or medical condition that requires certain food or dietary restrictions - Having been diagnosed with any pathogenic eating disorders - Participants whose subject is related to psychology

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Priming intervention
The pilot RCT will ask participants to complete a simple word-searching exercise as a goal-priming of healthy eating and can be completed in 5 min.

Locations

Country Name City State
China University of Hong Kong School of Public Health Hong Kong

Sponsors (1)

Lead Sponsor Collaborator
The University of Hong Kong

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary The effect of goal priming intervention on food choice The name of measure: participants' tendency to choose different categories of foods
Measurement tool: the force food choice task
The force food choice task evaluates participants' 'wanting' of foods with tempting cues. ("if you had to make a choice, which food would you most want to eat now?")
Software: Survey responses and test data were recorded in Inquisit via the web or lab-based service.
Unit of measure: the frequency of food selections
Immediately after participants completing the tasks
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