A Photoaging Mobile App Promoting Poster Campaign for Preventing Smoking in Secondary Schools

Study Overview
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Brief Summary
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The purpose of this study is to determine whether photoaging mobile app promoting poster campaigns are effective to reduce smoking prevalence among adolescents in Germany. This is measured via questionnaire.

Detailed Description
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This RCT will investigate a novel mean of school-based tobacco prevention: Photoaging app promoting poster campaigns. The effects are measured via questionnaire.

Official Title
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Smokerface: A Photoaging Mobile App Promoting Poster Campaign for Preventing Smoking in Secondary Schools: Randomized Controlled Trial

Conditions
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Tobacco Addiction, Smoking Related Diseases, Adolescent Smoking

Intervention / Treatment
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* Behavioral: Photoaging mobile app promoting poster campaign.


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Students from Germany aged 9 to 14 years at baseline attending grades six and seven of regular German secondary schools (such as grammar, general, intermediate or comprehensive school) are eligible. Exclusion Criteria: Older or younger pupils or pupils from other school types or countries or schools who previously participated in an event where the Smokerface app was presented are not eligible.

Ages Eligible for Study
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Minimum Age: 9 Years
Maximum Age: 17 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Prevention
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Intervention<br>Schools in this arm receive a photoaging mobile app promoting poster campaign revealing the effects of smoking on the users face via a self portrait (i.e. a selfie). | Behavioral: Photoaging mobile app promoting poster campaign.<br>* Schools in this arm receive a photoaging mobile app promoting poster campaign revealing the effects of smoking on the users face via a self portrait (i.e. a selfie).<br>|
| No Intervention: Control<br>The control group consists of schools participating in the survey but not receiving the intervention. | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The change in smoking prevalence between baseline and 24 months of follow-up between the two groups measured via questionnaires. | The change in smoking prevalence between baseline and 24 months of follow-up between the two groups. A smoker is defined as someone who claims to have smoked cigarettes at least once in the past 30 days. | 24 months post intervention | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Difference in attitude towards smoking between the two groups at 24 months follow-up measured via questionnaires. | Difference in attitude towards smoking between the two groups at 24 months follow-up. | 24 months post intervention | 
| The change in never-smokers between baseline and 24 months of follow-up between the two groups measured via questionnaires. | The change in never-smokers between baseline and 24 months of follow-up between the two groups measured via questionnaires. | 24 months post intervention | 
| The difference in the number of quitters (=cigarette smokers at baseline but not at endline) between baseline and 24 months of follow-up between the two groups measured via questionnaires. | The difference in the number of quitters (=quitters are participants who are cigarette smokers at baseline but not at endline) between baseline and 24 months of follow-up between the two groups measured via questionnaires. | 24 months post intervention | 
| The difference in the number of starters (=starters are participants who are not cigarette smokers at baseline but at endline) between baseline and 24 months of follow-up between the two groups measured via questionnaires. | The difference in the number of starters (=starters are participants who are not cigarette smokers at baseline but at endline) between baseline and 24 months of follow-up between the two groups measured via questionnaires. | 24 months post intervention | 
| The change in smoking prevalence between baseline and 24 months of follow-up between female participants of the two groups measured via questionnaires. |  | 24 months post intervention | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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photoaging mobile apps, adolescent smoking, tobacco prevention, school-based prevention, adolescent health, school health, smoking, tobacco