NCT01421108

Brief Summary

This study explores the effectiveness of message framing, loss-framed vs. gain-framed messages on oral health in Iran.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
372

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Jul 2011

Shorter than P25 for phase_2

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

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 1, 2011

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

August 12, 2011

Completed
10 days until next milestone

First Posted

Study publicly available on registry

August 22, 2011

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2012

Completed
Last Updated

March 6, 2012

Status Verified

March 1, 2012

Enrollment Period

7 months

First QC Date

August 12, 2011

Last Update Submit

March 4, 2012

Conditions

Health Behavior

Keywords

oral healthdental brushingdental flossing

Outcome Measures

Primary Outcomes (1)

  • changes in frequencies of dental brushing and flossing

    changes from baseline, two weeks after the intervention and six months follow-up

Secondary Outcomes (4)

  • Changes in psychological predictors of dental brushing (attitude, intention).

    changes from baseline, two weeks after the intervention and six months follow-up

  • Changes in Community Periodontal Index (CPI)

    changes from baseline, two weeks after the intervention and six months follow-up

  • Changes in Turesky Modification of the Quigley-Hein Plaque Index

    changes from baseline, two weeks after the intervention and six months follow-up

  • Oral health related quality of life

    changes from baseline and six months follow-up

Study Arms (2)

Loss-framed messages

EXPERIMENTAL
Behavioral: Framing (Loss-framed messages)

gain-framed messages

EXPERIMENTAL

Adolescents will randomly assign to three groups: gain-framed message , loss-framed message and a control group. Each group of adolescents will read the respective pamphlets with the exception of the control group. The gain-framed pamphlet contains six positive messages with three related full-color images (6.1 X 4.5). The gain-framed pamphlet, entitled The Benefits of good oral hygiene", emphasizes the benefits of brushing, and flossing.

Behavioral: Framing (Gain-framed messages)

Interventions

Framing (Gain-framed messages)BEHAVIORAL

The adolescents will randomly assign to three groups: gain-framed message and loss- framed message. Each group of adolescents will read the respective pamphlets with the exception of the control group. The gain-framed pamphlet contains six positive messages with three related full-color images(6.1 X 4.5). The gain-framed pamphlet, entitled The Benefits of good oral hygiene", emphasizes the benefits of brushing, and flossing.

Also known as: designing persuasive messages
gain-framed messages
Framing (Loss-framed messages)BEHAVIORAL

The adolescents will randomly assign to three groups: gain-framed message , loss- framed message and a control group. Each group of adolescents will read the respective pamphlets with the exception of the control group. The loss-framed pamphlet contains six negative messages with three related full-color images (6.1 X 4.5). The loss-framed pamphlet, entitled The disadvantages of poor oral hygiene, emphasizes the costs of not brushing and flossing.

Loss-framed messages

Eligibility Criteria

Age14 Years - 19 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • They are not involved in the oral health education
  • Ability to understand Persian language Adolescents attending high schools in Qazvin

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Organization for Education

Qazvin, Qazvin Province, Iran

Location

Related Publications (1)

  • Pakpour AH, Yekaninejad MS, Sniehotta FF, Updegraff JA, Dombrowski SU. The effectiveness of gain-versus loss-framed health messages in improving oral health in Iranian secondary schools: a cluster-randomized controlled trial. Ann Behav Med. 2014 Jun;47(3):376-87. doi: 10.1007/s12160-013-9543-1.

    PMID: 24163187DERIVED

MeSH Terms

Conditions

Health Behavior

Condition Hierarchy (Ancestors)

Behavior

Study Officials

  • Amir H Pakpour, PhD

    Qazvin university medical of sciences

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant professor

Study Record Dates

First Submitted

August 12, 2011

First Posted

August 22, 2011

Study Start

July 1, 2011

Primary Completion

February 1, 2012

Study Completion

February 1, 2012

Last Updated

March 6, 2012

Record last verified: 2012-03

Locations

IR(1)