Visual Attention to Text and Pictorial Food Labels: An Eye Tracking Experiment

NCT05958888 | Completed Results

• 2 other identifiers: 23-0659K01HL147713
• Study Type: interventional
• Target: 63
• Locations: 1 country
• Sites: 1

Brief Summary

The goal of this study is to examine attention elicited by icon, text-only, and control front-of-package food labels. The study also aims to explore whether English language proficiency moderates the impact of icon vs. text-only labels on attention.

Conditions

Health Behavior

Outcome Measures

Primary Outcomes (1)

• Amount of Time Spent Looking at the Front-of-package Sodium Label (i.e., Dwell Time)

  This outcome will be measured using eye tracking technology.

  During ~5-minute eye tracking task, as part of a one-time study visit lasting ~30 minutes

Secondary Outcomes (6)

• Number of Times Looking at the Front-of-package Sodium Label (i.e., Fixation Count)

  During ~5-minute eye tracking task, as part of a one-time study visit lasting ~30 minutes

• Time to First Fixation on the Front-of-package Sodium Label

  During ~5-minute eye tracking task, as part of a one-time study visit lasting ~30 minutes

• Dwell Time on "Natural" Claim

  During ~5-minute eye tracking task, as part of a one-time study visit lasting ~30 minutes

• Self-reported Attention to the Front-of-package Sodium Label

  During ~10 minute online survey, as part of one-time study visit lasting ~30 minutes

• Perceived Message Effectiveness of the Front-of-package Sodium Label

  During ~10 minute online survey, as part of one-time study visit lasting ~30 minutes

Study Arms (1)

Front of package food label

EXPERIMENTAL

4 labels (3 sodium labels, 1 control barcode label) are shown on an image of a soup can

Behavioral: Text only sodium label; Behavioral: Icon sodium label; Behavioral: Pictorial sodium label; Behavioral: Barcode label

Interventions

Text only sodium label BEHAVIORAL

"Warning: High in sodium." is shown in a black square label on the can of soup.

Front of package food label

Icon sodium label BEHAVIORAL

"Warning: High in sodium." is shown beneath a yellow triangle icon with an exclamation mark all in a black square label on the can of soup.

Front of package food label

Pictorial sodium label BEHAVIORAL

"Warning: High in sodium." is shown beneath an image of a spilled salt shaker, all in a black square label on the can of soup.

Front of package food label

Barcode label BEHAVIORAL

Barcode is shown in white square label on the can of soup

Front of package food label

Eligibility Criteria

• Age: 18 Years - 99 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Adult aged 18 or older
• Self-identifies as Hispanic or Latino

You may not qualify if:

• Less than 18 years old
• Does not identify as Hispanic or Latino
• Has one of the following conditions: (Wears bifocals, glaucoma, permanently dilated pupils, eye implants \[artificial lenses, not contact lenses\], less than 2 eyes, or blindness)

Sponsors & Collaborators

• University of North Carolina, Chapel Hill: lead
• National Heart, Lung, and Blood Institute (NHLBI): collaborator

Study Sites (1)

University of North Carolina Chapel Hill

Chapel Hill, North Carolina, 27599, United States

Location

MeSH Terms

Conditions

Health Behavior

Condition Hierarchy (Ancestors)

Behavior

Results Point of Contact

• Title: Marissa Hall, PhD
• Organization: University of North Carolina at Chapel Hill

mghall@unc.edu

(919) 445-1310

Study Officials

• Marissa Hall, PhD

  University of North Carolina, Chapel Hill

  PRINCIPAL INVESTIGATOR

Publication Agreements

• PI is Sponsor Employee: Yes

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: NA
• Masking: NONE
• Purpose: PREVENTION
• Intervention Model: SINGLE GROUP
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Model Details: All participants will see the same 4 labels (3 sodium labels \[text only, text + icon, and text + pictorial\] and a control bar code label) in a random order.

Study Record Dates

• First Submitted: July 12, 2023
• First Posted: July 25, 2023
• Study Start: August 2, 2023
• Primary Completion: September 29, 2023
• Study Completion: September 29, 2023
• Last Updated: August 13, 2024
• Results First Posted: August 13, 2024

Record last verified: 2023-10

Data Sharing

• IPD Sharing: Will share
• Shared Documents: SAP, ANALYTIC CODE
• Time Frame: Data will be available 9 months after and up to 10 years following publication.
• Access Criteria: The investigator has approved IRB, IEC, or REB and an executed data use/sharing agreement with UNC.

Locations

US (1)