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NCT06129487 · REGISTRY CONDITION SEARCH

Evaluations of Alcohol Warning Labels

Found through the registry condition index, not selected as a treatment recommendation. This discovery collection was restricted to studies with posted results.

Phase
NA
Status at capture
COMPLETED
Registry last update
2025-11-14

The goal of this study is to determine the effectiveness of pictorial warning labels (PWLs) featuring narrative (vs. non-narrative) content in communicating the cancer risk of alcohol. Participants will be randomized to view either three narrative or non-narrative PWLs. Key outcome variables include visual attention, message reactance, risk perceptions, and intentions to reduce and stop drinking.

Open the original ClinicalTrials.gov record → · Download preserved record

What did the study report?

Outcomes, safety and baseline populations are separate source sections. Quality-of-life measures appear under their original outcome titles.

flow

Participant flow

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baseline

Baseline characteristics

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outcome · POSTED

Dwell Time

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outcome · POSTED

Visit Count

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outcome · POSTED

Reactance

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outcome · POSTED

Affective Risk Perceptions

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outcome · POSTED

Experiential Risk Perceptions

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outcome · POSTED

Perceived Susceptibility

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outcome · POSTED

Comparative Risk

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outcome · POSTED

Perceived Severity of Harm

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outcome · POSTED

Intentions to Reduce Drinking

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outcome · POSTED

Intentions to Stop Drinking

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adverse events

Adverse events

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more info

Limitations, agreements, and source contact

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Who could take part
eligibility Criteria
Inclusion Criteria: 1. be at least 21 years old; 2. have consumed more than three alcoholic drinks per week over the past year; 3. be willing to participate in remote eye tracking tasks and have necessary technical support to complete remote eye tracking tasks (i.e., having access to high-speed Internet and a computer/tablet/phone equipped with a high-speed camera). Exclusion Criteria: 1. be younger than 21 years old; 2. has not consumed more than three alcoholic drinks per week over the past year; 3. be not willing to participate in remote eye tracking tasks and have no necessary technical support to complete remote eye tracking tasks (i.e., having access to high-speed Internet and a computer/tablet/phone equipped with a high-speed camera).
healthy Volunteers
true
minimum Age
21 Years
sex
ALL
std Ages
  1. ADULT
  2. OLDER_ADULT
Treatment arms and interventions
arm Groups
  1. description
    Participants in this arm will be presented with three narrative pictorial warning labels for alcoholic beverages.
    intervention Names
    1. Behavioral: Narrative pictorial warning labels for alcoholic beverages
    label
    Narrative Pictorial Warning Labels
    type
    EXPERIMENTAL
  2. description
    Participants in this arm will be presented with three non-narrative pictorial warning labels for alcoholic beverages.
    intervention Names
    1. Behavioral: Non-narrative pictorial warning labels for alcoholic beverages
    label
    Non-Narrative Pictorial Warning Labels
    type
    EXPERIMENTAL
interventions
  1. arm Group Labels
    1. Narrative Pictorial Warning Labels
    description
    Pictorial warning labels consisting of text and narrative imagery (e.g., photos of cancer patients) conveying the risk of alcohol for oral cancer, esophageal cancer, and larynx cancer.
    name
    Narrative pictorial warning labels for alcoholic beverages
    type
    BEHAVIORAL
  2. arm Group Labels
    1. Non-Narrative Pictorial Warning Labels
    description
    Pictorial warning labels consisting of text and non-narrative imagery (e.g., images of diseased organs) conveying the risk of alcohol for oral cancer, esophageal cancer, and larynx cancer.
    name
    Non-narrative pictorial warning labels for alcoholic beverages
    type
    BEHAVIORAL
Study design
allocation
RANDOMIZED
intervention Model
PARALLEL
masking Info
masking
SINGLE
who Masked
  1. PARTICIPANT
primary Purpose
PREVENTION
Enrollment
count
1053
type
ACTUAL
Registered outcome plans (not posted results)
primary Outcomes
  1. description
    Dwell time measures the total duration of attention to an area of interest (AOI). Each warning label consisted of two AOIs: image AOI and text AOI. Dwell time for each AOI was averaged across three PWLs within each arm.
    measure
    Dwell Time
    time Frame
    Assessed during the one-time 15-minute online survey experiment.
  2. description
    Visit count measures the total number of times participants viewed an area of interest (AOI). Each warning label consisted of two AOIs: image AOI and text AOI. Visit count for each AOI was averaged across three PWLs within each arm.
    measure
    Visit Count
    time Frame
    Assessed during the one-time 15-minute online survey experiment.
  3. description
    Reactance were measured after exposure to each PWL (i.e., three times in total). It was assessed using the brief Reactance to Health Warnings Scale (Hall et al., 2017). Participants were asked to indicate how much each warning tried to manipulate them, annoyed them, and was overblown (1 = not at all, 5 = a great deal). Reactance for each PWL was averaged across three PWLs within each arm.
    measure
    Reactance
    time Frame
    Assessed during the one-time 15-minute online survey experiment.
  4. description
    Affective risk perceptions were assessed once after participants viewed all three PWLs. Participants were asked to indicate how worried they are about getting a specific type of cancer if they keep drinking the amount of alcohol like they do now. Participants responded on a five-point scale (1 = Not at all worried, 2=Slightly worried, 3=Moderately worried, 4=Very worried, 5=Extremely worried).
    measure
    Affective Risk Perceptions
    time Frame
    Assessed during the one-time 15-minute online survey experiment.
  5. description
    Experiential risk perceptions were assessed once after participants viewed all three PWLs. Participants were asked to indicate how vulnerable they feel about getting a specific type of cancer if they keep drinking the amount of alcohol like they do now. Participants responded on a five-point scale (1 = Not at all vulnerable, 2=Slightly vulnerable, 3=Moderately vulnerable, 4=Very vulnerable, 5=Extremely vulnerable).
    measure
    Experiential Risk Perceptions
    time Frame
    Assessed during the one-time 15-minute online survey experiment.
  6. description
    Perceived susceptibility were assessed once after participants viewed all three PWLs. Participants were asked to indicate how likely it is that they will get a specific type of cancer if they keep drinking the amount of alcohol like they do now. Participants responded on a five-point scale (1 = Not at all likely, 2=A little likely, 3=Somewhat likely, 4=Very likely, 5=Extremely likely).
    measure
    Perceived Susceptibility
    time Frame
    Assessed during the one-time 15-minute online survey experiment.
  7. description
    Comparative risk were assessed once after participants viewed all three PWLs. Participants were asked to indicate compared to an average person their age, race, and sex, how likely do they think they will get a specific type of cancer if they keep drinking the amount of alcohol like they do now. Participants responded on a five-point scale (1=Much less likely, 2=Less likely, 3=About as likely, 4=More likely, 5=Much more likely).
    measure
    Comparative Risk
    time Frame
    Assessed during the one-time 15-minute online survey experiment.
  8. description
    Perceived severity of harm were assessed once after participants viewed all three PWLs. Participants were asked to indicate how much getting a specific type of cancer because of drinking would affect their life. Participants responded on a five-point scale (1=Not at all, 2=Very little, 3=Somewhat, 4=Quite a bit, 5=A great deal).
    measure
    Perceived Severity of Harm
    time Frame
    Assessed during the one-time 15-minute online survey experiment.
  9. description
    Intentions to reduce drinking were assessed once after participants viewed all three PWLs. Participants were asked to answer questions such as "How interested are you in reducing drinking in the next 6 months?" Participants responded to these questions on an appropriately labeled 5-point scale (e.g., 1 = Not at all interested, 2=Slightly interested, 3=Moderately interested, 4=Very interested, 5=Extremely interested).
    measure
    Intentions to Reduce Drinking
    time Frame
    Assessed during the one-time 15-minute online survey experiment.
  10. description
    Intentions to stop drinking were assessed once after participants viewed all three PWLs. Participants were asked to answer three questions such as "How interested are you in stopping drinking in the next 6 months?" Participants responded to these questions on an appropriately labeled 5-point scale (e.g., 1 = Not at all interested, 2=Slightly interested, 3=Moderately interested, 4=Very interested, 5=Extremely interested).
    measure
    Intentions to Stop Drinking
    time Frame
    Assessed during the one-time 15-minute online survey experiment.
Full study description
brief Summary
The goal of this study is to determine the effectiveness of pictorial warning labels (PWLs) featuring narrative (vs. non-narrative) content in communicating the cancer risk of alcohol. Participants will be randomized to view either three narrative or non-narrative PWLs. Key outcome variables include visual attention, message reactance, risk perceptions, and intentions to reduce and stop drinking.
detailed Description
The goal of this study is to determine the effectiveness of pictorial warning labels (PWLs) featuring narrative (vs. non-narrative) content in communicating the cancer risk of alcohol. Participants will be recruited from online panels. Participants will first be invited to participate in an online screening survey. Eligible participants will be invited to participate in the main experiment. In the main experiment, participants will first answer questions concerning baseline alcohol consumption and other background information. Then they will engage with a webcam-based eye-tracking task through Sticky by Tobii. Participants will first read instructions and tips related to completing the eye-tracking task. They will complete a brief calibration procedure and be presented with either three narrative PWLs or three non-narrative PWLs. Sticky by Tobii will record participants' gaze, thereby measuring visual attention to each PWL. After viewing each PWL, participants will answer a few questions. After viewing all three PWLs, they will answer questions based on all images combined. Upon study completion, participants will be compensated. A follow-up survey will be sent to participants after two weeks, which includes questions about their drinking behaviors, information seeking behaviors, and social interactions.
Source references
Source notices and limitations
    Discovery and provenance
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      occurrences
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        exact text
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        start
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      offset unit
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      query cond
      Laryngeal Cancer
      query disease state id
      ds-laryngeal-cancer
      source file
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    Preserved source evidence · Not medical advice