The Effectiveness of Gain- Versus Loss-framed Health Messages to Improve Oral Health Among Iranian Adolescents

Phase 2

Completed

• Conditions: Health Behavior
• Interventions: Behavioral: Framing (Gain-framed messages); Behavioral: Framing (Loss-framed messages)

• Registration Number: NCT01421108
• Lead Sponsor: Qazvin University Of Medical Sciences

Brief Summary

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

Detailed Description

This is a study to explore the impact of two pamphlets with gain-framed and loss-framed messages on brushing and flossing attitudes, intentions , behaviors and clinical characteristics among a sample of adolescent students.

Study Timeline

• Study Start: 2011-07
• Study First Submitted: 2011-08-12
• Study First Submitted QC: 2011-08-19
• Study First Posted: 2011-08-22
• Primary Completion: 2012-02
• Study Completion: 2012-02
• Status Verified: 2012-03
• Last Update Submitted: 2012-03-04
• Last Update Posted: 2012-03-06

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 372

Inclusion Criteria

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

Exclusion Criteria

• Does not meet inclusion criteria

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
gain-framed messages	Framing (Gain-framed messages)	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.
Loss-framed messages	Framing (Loss-framed messages)	-

Primary Outcome Measures

Name	Time	Method
changes in frequencies of dental brushing and flossing	changes from baseline, two weeks after the intervention and six months follow-up

Secondary Outcome Measures

Name	Time	Method
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
Changes in psychological predictors of dental brushing (attitude, intention).	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

Trial Locations

Locations (1)

The Organization for Education; 🇮🇷 Qazvin, Iran, Islamic Republic of