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Completed

NCT Number: NCT01421108

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

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

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Key information

Conditions

Health Behavior Behavior

Age range

14 year–19 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

The Organization for Education

Qazvin, Qazvin Province, Iran

About this study

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.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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

Treatment and study plan

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.

Other names: designing persuasive 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.

Primary outcomes

  1. changes in frequencies of dental brushing and flossing

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

Secondary outcomes

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

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

  2. Changes in Community Periodontal Index (CPI)

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

  3. Changes in Turesky Modification of the Quigley-Hein Plaque Index

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

  4. Oral health related quality of life

    Time frame: changes from baseline and six months follow-up

Sponsors and collaborators

Lead sponsor

Qazvin University Of Medical Sciences

Other

Registry information

Official study title

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

Important dates

Study start
2011
Primary completion
2012
Study completion
2012
First posted
Aug 22, 2011
Registry last updated
Mar 6, 2012

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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