NCT01206686

Brief Summary

The goal of this project is to see if encouraging an individual to privately choose in advance a narrow time window in which to obtain a flu vaccination shot affects the likelihood that he or she will become vaccinated.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
50,000

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Sep 2009

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 2009

Completed
1 year until next milestone

First Submitted

Initial submission to the registry

September 14, 2010

Completed
8 days until next milestone

First Posted

Study publicly available on registry

September 22, 2010

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2012

Completed
Last Updated

August 17, 2016

Status Verified

August 1, 2016

Enrollment Period

2.8 years

First QC Date

September 14, 2010

Last Update Submit

August 15, 2016

Conditions

Seasonal Influenza

Keywords

seasonal influenzabehavioral economicsnudgeimplementations intentionsvaccination

Outcome Measures

Primary Outcomes (1)

  • Receipt of seasonal influenza vaccination

    up to 30 weeks

Study Arms (5)

1 Hour Planning Prompt

EXPERIMENTAL
Behavioral: Planning Prompt

2 Hour Planning Prompt

EXPERIMENTAL
Behavioral: Planning Prompt

1 Day Planning Prompt

EXPERIMENTAL
Behavioral: Planning Prompt

Default Planning Prompt

EXPERIMENTAL
Behavioral: Default Appointment

Control

ACTIVE COMPARATOR
Behavioral: Control

Interventions

Planning PromptBEHAVIORAL

Patients were prompted to write down a planned date (and in some cases time) for receiving a flu shot.

1 Day Planning Prompt1 Hour Planning Prompt2 Hour Planning Prompt
Default AppointmentBEHAVIORAL

Patients were given a suggested date and time for receiving a flu shot.

Default Planning Prompt
ControlBEHAVIORAL

Patients were provided with basic information (present in all conditions) about when and where they could receive a flu shot, but they were given no further treatment.

Control

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • seasonal influenza vaccine indications according to the CDC
  • employees of partner corporations executing study

You may not qualify if:

  • none

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Pennsylvania

Philadelphia, Pennsylvania, 19104, United States

Location

Study Officials

  • Katherine L Milkman, Ph.D.

    University of Pennsylvania

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 14, 2010

First Posted

September 22, 2010

Study Start

September 1, 2009

Primary Completion

July 1, 2012

Study Completion

July 1, 2012

Last Updated

August 17, 2016

Record last verified: 2016-08

Locations

US(1)