N/A N=820 Randomized Prevention

The Doctors for Coronavirus Prevention Project Thanksgiving / Christmas Messaging Campaign

Covid19

Bottom Line

View on ClinicalTrials.gov: NCT04644328 ↗

Enrolled (actual)

820

Serious AEs

—

Results posted

Dec 2021

Primary outcome: Primary: Facebook Movement Metric — -6.082; -5.320; -2.603; -1.823 Percent change relative to Feb 2020

Study Design & Population

Study type: Interventional
Phase: N/A
Interventions: Facebook Ads on the importance of staying safe during the Thanksgiving / Christmas holiday (Behavioral)
Age: Adult, Older Adult · 18+ yrs
Sex: All
Sponsor: National Bureau of Economic Research, Inc.
Primary completion: Feb 2021

Outcome Measures

Outcome	Result	p-value
PRIMARY Facebook Movement Metric	-6.082; -5.320; -2.603; -1.823	—
PRIMARY Percentage Leaving Home on Day of Holiday	71.308; 71.468; 72.859; 72.852	—
PRIMARY Inverse Hyperbolic Sine of COVID-19 Cases	4.333; 4.298; 4.368; 4.442	—
SECONDARY Knowledge of COVID-19 Prevention Message (Recall of ad, Intent to Travel, Mask Wearing and Beliefs About Travel)	—	—
SECONDARY Average Number of Tiles People Occupy (Mobility Measure)	—	—
SECONDARY Percentage of Eligible Participants Only Observed in a Single Level-16 Bing Tile (no Change in Movement)	—	—

Summary

Facebook ads with physician-delivered videos were shown before the Thanksgiving and Christmas holidays and focused on staying safe during the COVID pandemic by limiting travel and mask-wearing.

Eligibility Criteria

Inclusion Criteria

Individuals viewing the ads must be Facebook users, 18 years and older. Facebook will decide specifically which users receive the messages within a target geographical area (zip or county).

Exclusion Criteria

View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT04644328). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.