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Altruistically Framed Messages and Impact on Parents' Reported Willingness to Immunize Their Children

NCT ID: NCT02015689

Last Updated: 2013-12-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

802 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-05-31

Study Completion Date

2012-05-31

Brief Summary

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The purpose of this study is to examine the impact of different message framing (i.e., communication strategies) on parents' intentions to vaccinate their infants for measles, mumps, and rubella. We hypothesize that information specifically emphasizing various benefits of MMR vaccination will have different impacts on parents' reported levels of intention.

Detailed Description

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The purpose of this study is to investigate attitudes concerning the Measles, Mumps, \& Rubella (MMR) vaccine among adult parents in the United States. Attitudes will be assessed via a web-based survey administered by Survey Sampling International (SSI). Project sample size is 1,000, all to be recruited by SSI. The survey will take no more than 20-30 minutes to complete. The survey questions and response options attached. With the exception of demographic questions (e.g., age, sex, race) at the end of the survey, questions will not be able to be "skipped" because 1) the survey questions primarily assess attitudes and beliefs, 2) the questions are not of a sensitive nature, 3) responses are anonymous, 4) respondents have indicated their desire and willingness to respond to surveys like this by virtue of their enrollment as an SSI panel member, 5) there is no pressure for respondents to complete the survey, 6) respondents may cease responding to the survey at any time after they begin.

Respondents will be asked to provide information about their children's ages and sex, as well as historical recall information about their past vaccine decisions for their child/children. All respondents will receive general information from the Centers for Disease Control and Prevention (CDC) regarding MMR and the MMR vaccine (taken from the CDC's Vaccine Information Sheet), followed by summarized information about MMR and the MMR vaccine. A quarter of respondents will receive only this information. The other three-quarters of respondents will also receive additional "benefit" information that either underscores: a) the MMR vaccine's benefit to the child who receives it, b) the MMR vaccine's benefits to society as a whole, or c) the MMR vaccine's benefit to both the child who receives it as well as to society as a whole. The purpose of this additional "benefit" information (which will randomly vary among respondents) is to compare people's attitudes when they're given this information about the MMR vaccine's benefit to people's attitudes when they receive the general information. This information is noted in the attached survey, and mimics the information that parents are typically given in clinic settings regarding MMR and the MMR vaccine. The purpose of this study is to systematically assess people's responses to this information, which is already offered in clinical settings and is publicly available via the CDC.

Conditions

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Parental Vaccine Intentions for Their Children

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

SINGLE

Participants

Study Groups

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Benefits to Child

CDC VIS + message emphasizing benefits of MMR vaccine to child

Group Type EXPERIMENTAL

Benefits to Child

Intervention Type BEHAVIORAL

CDC VIS + message emphasizing benefits to child of MMR vaccine

CDC VIS

Intervention Type BEHAVIORAL

CDC Vaccine Information Statement (VIS)

CDC VIS

CDC Vaccine Information Statement (VIS)

Group Type ACTIVE_COMPARATOR

CDC VIS

Intervention Type BEHAVIORAL

CDC Vaccine Information Statement (VIS)

Benefits to Society

CDC VIS + message emphasizing benefits of MMR vaccine to society

Group Type EXPERIMENTAL

Benefits to Society

Intervention Type BEHAVIORAL

CDC VIS + message emphasizing benefits to society of MMR vaccine

CDC VIS

Intervention Type BEHAVIORAL

CDC Vaccine Information Statement (VIS)

Benefits to Child and Society

CDC VIS + message emphasizing benefits of MMR vaccine to both child and to society

Group Type EXPERIMENTAL

Benefits to Child and Society

Intervention Type BEHAVIORAL

CDC VIS + message emphasizing benefits both to child and to society of MMR vaccine

CDC VIS

Intervention Type BEHAVIORAL

CDC Vaccine Information Statement (VIS)

Interventions

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Benefits to Child

CDC VIS + message emphasizing benefits to child of MMR vaccine

Intervention Type BEHAVIORAL

Benefits to Society

CDC VIS + message emphasizing benefits to society of MMR vaccine

Intervention Type BEHAVIORAL

Benefits to Child and Society

CDC VIS + message emphasizing benefits both to child and to society of MMR vaccine

Intervention Type BEHAVIORAL

CDC VIS

CDC Vaccine Information Statement (VIS)

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* 18 years of age or older
* fluent in English
* parent or primary caregiver to at least 1 child 17 years of age or younger

Exclusion Criteria

* not fluent in English
* younger than 18 years of age
* not a parent or primary caregiver to someone 17 years of age or younger
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Indiana University

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Kristin S Hendrix, PhD

Role: PRINCIPAL_INVESTIGATOR

Indiana University

References

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Hendrix KS, Finnell SM, Zimet GD, Sturm LA, Lane KA, Downs SM. Vaccine message framing and parents' intent to immunize their infants for MMR. Pediatrics. 2014 Sep;134(3):e675-83. doi: 10.1542/peds.2013-4077. Epub 2014 Aug 18.

Reference Type DERIVED
PMID: 25136038 (View on PubMed)

Other Identifiers

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1203008361

Identifier Type: -

Identifier Source: org_study_id