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The Effectiveness of Gain- vs. Loss-framed Health Messages to Improve Oral Health Among Iranian Adolescents:A Randomized Controlled Trial

The Effectiveness of Gain- vs. Loss-framed Health Messages to Improve Oral Health Among Iranian Adolescents:A Randomized Controlled Trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12611000885998
Enrollment
280
Registered
2011-08-19
Start date
2011-08-10
Completion date
Unknown
Last updated
2026-02-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

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.

Interventions

The adolescents will randomly assign to two groups: gain-framed message and loss- framed message. Each group of adolescences will read the respective pamphlets. The gain-framed pamphlet contains six positive messages with three related full-color images(6.1 X 4.5). Similarly the loss-framed pamphlet contains six negative messages with threerelated 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 flossin

The adolescents will randomly assign to two groups: gain-framed message and loss- framed message. Each group of adolescences will read the respective pamphlets. The gain-framed pamphlet contains six positive messages with three related full-color images(6.1 X 4.5). Similarly the loss-framed pamphlet contains six negative messages with threerelated 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, whereas the loss-framed pamphlet, entitled The disadvantages of poor oral hygiene, emphasizes the costs of not brushing and flossing. the adolescents only read the pamphlets once and are then followed up later.

Sponsors

Qazvin University Of Medical Sciences
Lead SponsorUniversity

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Educational / counselling / training
Masking
Blinded (masking used)

Eligibility

Sex/Gender
All
Age
14 Years to 19 Years
Healthy volunteers
Yes

Inclusion criteria

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

Exclusion criteria

They are involved in the oral health education Inability to understand Persian language

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026