Trial Outcomes & Findings for HOPE Intervention for COVID-19 (NCT NCT04376515)

NCT ID: NCT04376515

Last Updated: 2025-05-02

Results Overview

Whether or not the participant requested that our study team send them an electronic resource sheet on the COVID-19 vaccine and where they can get vaccinated.

• Recruitment status: COMPLETED
• Study phase: NA
• Target enrollment: 120 participants
• Primary outcome timeframe: 1 time request during the 4-week study
• Results posted on: 2025-05-02

Participant Flow

Participants (N = 120) were recruited through online advertisements from July 23 to August 20, 2021.

Participant milestones

Measure	HOPE Intervention HOPE peer-led intervention HOPE intervention: Online peer support community of peers trained in behavior change science	Control Control group- online community without peer leaders
Overall Study STARTED	60	60
Overall Study COMPLETED	54	54
Overall Study NOT COMPLETED	6	6

Reasons for withdrawal

Measure	HOPE Intervention HOPE peer-led intervention HOPE intervention: Online peer support community of peers trained in behavior change science	Control Control group- online community without peer leaders
Overall Study Found to have been vaccinated before study start	6	6

Baseline Characteristics

HOPE Intervention for COVID-19

Baseline characteristics by cohort

Measure	HOPE Intervention n=54 Participants HOPE peer-led intervention HOPE intervention: Online peer support community of peers trained in behavior change science	Control n=54 Participants Control group- online community without peer leaders	Total n=108 Participants Total of all reporting groups
Age, Categorical <=18 years	0 Participants n=5 Participants	0 Participants n=7 Participants	0 Participants n=5 Participants
Age, Categorical Between 18 and 65 years	53 Participants n=5 Participants	54 Participants n=7 Participants	107 Participants n=5 Participants
Age, Categorical >=65 years	1 Participants n=5 Participants	0 Participants n=7 Participants	1 Participants n=5 Participants
Age, Continuous	39.94 years STANDARD_DEVIATION 10.15 • n=5 Participants	38.09 years STANDARD_DEVIATION 11.63 • n=7 Participants	39.02 years STANDARD_DEVIATION 10.9 • n=5 Participants
Sex: Female, Male Female	43 Participants n=5 Participants	42 Participants n=7 Participants	85 Participants n=5 Participants
Sex: Female, Male Male	11 Participants n=5 Participants	12 Participants n=7 Participants	23 Participants n=5 Participants
Ethnicity (NIH/OMB) Hispanic or Latino	9 Participants n=5 Participants	11 Participants n=7 Participants	20 Participants n=5 Participants
Ethnicity (NIH/OMB) Not Hispanic or Latino	45 Participants n=5 Participants	39 Participants n=7 Participants	84 Participants n=5 Participants
Ethnicity (NIH/OMB) Unknown or Not Reported	0 Participants n=5 Participants	4 Participants n=7 Participants	4 Participants n=5 Participants
Race (NIH/OMB) American Indian or Alaska Native	3 Participants n=5 Participants	4 Participants n=7 Participants	7 Participants n=5 Participants
Race (NIH/OMB) Asian	2 Participants n=5 Participants	2 Participants n=7 Participants	4 Participants n=5 Participants
Race (NIH/OMB) Native Hawaiian or Other Pacific Islander	0 Participants n=5 Participants	1 Participants n=7 Participants	1 Participants n=5 Participants
Race (NIH/OMB) Black or African American	7 Participants n=5 Participants	3 Participants n=7 Participants	10 Participants n=5 Participants
Race (NIH/OMB) White	40 Participants n=5 Participants	42 Participants n=7 Participants	82 Participants n=5 Participants
Race (NIH/OMB) More than one race	1 Participants n=5 Participants	2 Participants n=7 Participants	3 Participants n=5 Participants
Race (NIH/OMB) Unknown or Not Reported	1 Participants n=5 Participants	0 Participants n=7 Participants	1 Participants n=5 Participants
Region of Enrollment United States	54 participants n=5 Participants	54 participants n=7 Participants	108 participants n=5 Participants
COVID-19 Vaccination Status: Unvaccinated	54 Participants n=5 Participants	54 Participants n=7 Participants	108 Participants n=5 Participants

PRIMARY outcome

Timeframe: 1 time request during the 4-week study

Whether or not the participant requested that our study team send them an electronic resource sheet on the COVID-19 vaccine and where they can get vaccinated.

Outcome measures

Measure	HOPE Intervention n=50 Participants HOPE peer-led intervention HOPE intervention: Online peer support community of peers trained in behavior change science	Control n=51 Participants Control group- online community without peer leaders
Requests for a COVID-19 Vaccine Resource Sheet	6 Participants	0 Participants

SECONDARY outcome

Timeframe: 1 time proof during 4-week study and up to 2 weeks after

Whether or not a participant sent us a proof of a COVID-19 Vaccination

Outcome measures

Measure	HOPE Intervention n=50 Participants HOPE peer-led intervention HOPE intervention: Online peer support community of peers trained in behavior change science	Control n=51 Participants Control group- online community without peer leaders
Proof of COVID-19 Vaccination	10 Participants	6 Participants

Adverse Events

HOPE Intervention

Serious events: 0 serious events

Other events: 0 other events

Deaths: 0 deaths

Control

Serious events: 0 serious events

Other events: 0 other events

Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Dominic Ugarte

University of California, Irvine

Phone: 949-508-0135

Email: dugarte@hs.uci.edu

Results disclosure agreements

• Principal investigator is a sponsor employee
• Publication restrictions are in place