Influence of Social Media Ads on Food Choice - Master Protocol

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age13-17
SponsorNYU Langone Health

About this trial

This is a Master ClinicalTrials.gov Protocol for study 20-01796:

Aim 1: Examining Influence of Social Media Ads on Black and White Adolescents' Food Choices - Study 1 (NCT05380505)

Aim 2: A Randomized Trial to Examine the Influence of "Likes" in Social Media Food Ads on Black and White Adolescents' Food Purchases - Study 2 (NCT06969638)

Aim 3: Comparing the Effects of Racial Congruence, "Likes," and Food Images in Social Media Ads on Adolescents' Caloric Intake - Study 3 (NCT06969651)

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

be 13-17 years of age;

identify as only non-Latino White or only Black/African American;

report that they log into Facebook at least once daily; and

read and speak English.

Disqualifiers

Any criteria not met as listed above will bar an adolescent from participating in the study.

Trial design

Design model

Factorial

Treatments tested in this trial

  • Racially Congruent Ads

    Behavioral

    (Aim 1) Facebook food ads that are racially congruent.

  • Racially Incongruent Ads

    Behavioral

    (Aim 1) Facebook food ads that are racially incongruent.

  • Black Ads

    Behavioral

    (Aim 2 and 3) Food ads that feature Black individuals.

  • White Ads

    Behavioral

    (Aim 2 and 3) Food ads that feature White individuals.

  • Many Likes

    Behavioral

    (Aim 2 and 3) Food ads that have many "likes"

  • Few Likes

    Behavioral

    (Aim 2 and 3) Food ads that have few "likes"

  • Black-Non Food

    Behavioral

    (Aim 3) Ads featuring a Black person with a non-food product

  • White-Non Food

    Behavioral

    (Aim 3) Ads featuring a White person with a non-food product

  • Non Food-Many Likes

    Behavioral

    (Aim 3) Ads with Many "likes" featuring a non-food product

  • Non Food-Few Likes

    Behavioral

    (Aim 3) Ads with Few "likes" featuring a non-food product

Treatment groups

3,650 Participants
are divided into 14 treatment groups

14

Treatment groups

See each treatment group below.

Group A: (Aim 1) Condition 1: Race Congruent AdsExperimental treatment 1 intervention
Group B: (Aim 1) Condition 2: Race Incongruent AdsExperimental treatment 1 intervention
Group C: (Aim 2) Black Many LikesExperimental treatment 2 interventions
Group D: (Aim 2) Black Few LikesExperimental treatment 2 interventions
Group E: (Aim 2) White Many LikesExperimental treatment 2 interventions
Group F: (Aim 2) White Few LikesExperimental treatment 2 interventions
Group G: (Aim 3) Block 1: Black-FoodExperimental treatment 1 intervention
Group H: (Aim 3) Block 2: White-FoodExperimental treatment 1 intervention
Group I: (Aim 3) Block 3: Black-Non FoodExperimental treatment 1 intervention
Group J: (Aim 3) Block 4: White-Non FoodExperimental treatment 1 intervention
Group K: (Aim 3) Block 5: Food-Many LikesExperimental treatment 1 intervention
Group L: (Aim 3) Block 6: Non Food-Many LikesExperimental treatment 1 intervention
Group M: (Aim 3) Block 7: Food-Few LikesExperimental treatment 1 intervention
Group N: (Aim 3) Block 8: Non Food-Few LikesExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Number of Calories Purchased

Aim 1 Participants only.

Time frame
Day 0 (approximately 15 minutes )
2

Number of Calories Purchased

Aim 2 Participants only.

Time frame
Day 0 (approximately 5 minutes)
3

Caloric Intake

Aim 3 Participants only. Number of calories consumed during the study protocol.

Time frame
Day 0 (approximately 60 minutes)
4

Visual Attention to Ad Features - First Fixation

Aim 3 Participants only. Measured as time to first fixation to the advertisement.

Time frame
Day 0 (approximately 60 minutes)

Secondary outcomes

1

Attitude Toward Ad

Aim 1 Participants only. Attitude will be reported on a Likert scale of 1 to 100 (1 = likeable, 100 = unlikeable). The higher the score, the less likeable the ad is to the participant.

Time frame
Day 0 (approximately 15 minutes )
2

Time Spent Viewing Ad

Aim 1 Participants only.

Time frame
Day 0 (approximately 15 minutes )
3

Attitude Toward Ad

Aim 2 Participants only. Attitude will be reported on a Likert scale of 1 to 100 (1 = likeable, 100 = unlikeable). The higher the score, the less likeable the ad is to the participant.

Time frame
Day 0 (approximately 5 minutes)
4

Engagement with Ads

Aim 2 Participants only. Participants indicate in which ways, if any, they would engage with each ad by answering the following question: "How you would respond if you saw this ad on social media"? \[Select all that apply: "Like" \[heart icon and other emojis\], comment, tag a friend, direct message a friend, re-post, none of the above\]). The outcome is measured as the number of participants who indicate they would engage with ads.

Time frame
Day 0 (approximately 5 minutes)

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

NYU Langone Health

Lead sponsor

National Cancer Institute (NCI)

Collaborator

New York University

Collaborator

National Institutes of Health (NIH)

Collaborator