Calorie Consumption, Food Choices, Food Selection
Conditions
Brief summary
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)
Detailed description
The overall objective is to determine the extent to which racially congruent Facebook food ads influence adolescents' food purchases and actual caloric intake. The investigators are conducting three randomized controlled trials (RCTs). The first two aims involve 15-minute online surveys in which participants (Black and White adolescents) rate ads then complete a food purchasing task through a virtual vending machine. The third trial will involve an in-person, hour long lab study where participants will be shown ads while investigators covertly monitor their eye movements.
Interventions
BEHAVIORALRacially Congruent Ads
(Aim 1) Facebook food ads that are racially congruent.
BEHAVIORALRacially Incongruent Ads
(Aim 1) Facebook food ads that are racially incongruent.
BEHAVIORALBlack Ads
(Aim 2 and 3) Food ads that feature Black individuals.
BEHAVIORALWhite Ads
(Aim 2 and 3) Food ads that feature White individuals.
BEHAVIORALMany Likes
(Aim 2 and 3) Food ads that have many likes
BEHAVIORALFew Likes
(Aim 2 and 3) Food ads that have few likes
BEHAVIORALBlack-Non Food
(Aim 3) Ads featuring a Black person with a non-food product
BEHAVIORALWhite-Non Food
(Aim 3) Ads featuring a White person with a non-food product
BEHAVIORALNon Food-Many Likes
(Aim 3) Ads with Many likes featuring a non-food product
BEHAVIORALNon Food-Few Likes
(Aim 3) Ads with Few likes featuring a non-food product
Sponsors
National Cancer Institute (NCI)
New York University
National Institutes of Health (NIH)
NYU Langone Health
Study design
Allocation
RANDOMIZED
Intervention model
FACTORIAL
Primary purpose
PREVENTION
Masking
DOUBLE (Subject, Investigator)
Eligibility
Sex/Gender
ALL
Age
13 Years to 17 Years
Healthy volunteers
Yes
Inclusion criteria
1. be 13-17 years of age; 2. identify as only non-Latino White or only Black/African American; 3. report that they log into Facebook at least once daily; and 4. read and speak English.
Exclusion criteria
* Any criteria not met as listed above will bar an adolescent from participating in the study.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Visual Attention to Ad Features - Number of Fixations | Day 0 (approximately 60 minutes) | Aim 3 Participants only. Measured as the number of fixations on ad features. |
| Caloric Intake | Day 0 (approximately 60 minutes) | Aim 3 Participants only. Number of calories consumed during the study protocol. |
| Visual Attention to Ad Features - First Fixation | Day 0 (approximately 60 minutes) | Aim 3 Participants only. Measured as time to first fixation to the advertisement. |
| Visual Attention to Ad Features - Gaze Duration | Day 0 (approximately 60 minutes) | Aim 3 Participants only. Measured as the gaze duration during the advertisement. |
| Number of Calories Purchased | Day 0 (approximately 15 minutes ) | Aim 1 Participants only. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Time Spent Viewing Ad | Day 0 (approximately 15 minutes ) | Aim 1 Participants only. |
| Engagement with Ads | Day 0 (approximately 5 minutes) | 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. |
| Attitude Toward Ad | Day 0 (approximately 15 minutes ) | 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. |
Countries
United States
Contacts
Primary ContactProgram Manager
Backup ContactZora Hall
Outcome results
None listed