Address Tobacco Use Among Adolescents in Hong Kong

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

12868 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-10-13

Study Completion Date

2018-07-31

Brief Summary

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This study will examine the effectiveness of a social norms campaign in correcting smoking misperceptions, reducing smoking susceptibility and changing smoking-related behaviours in Hong Kong adolescents.

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Detailed Description

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The study involves a behavioural intervention with social norms approaches to correct smoking misperceptions, reduce smoking susceptibility and change smoking-related behaviours in Hong Kong adolescents. A 2-arm stratified clustered randomised controlled trial (RCT) will be conducted to evaluate the effectiveness of the intervention. A total of 18 secondary schools will be randomly selected from the 5 regions in Hong Kong and invited to the RCT. The schools will then be randomly allocated to intervention or control group in the ratio of 1:1. Secondary 1 to 5 (US Grade 7 to 11) students will be invited. Students in both intervention and control group will complete a baseline survey, and the intervention group will receive the intervention after the baseline. Intervention materials includes posters and table tents at school, flyers to students, and online banner on school website. The intervention adopts social norms approaches, and will highlight the prevalence of adolescents who do not smoke and have no intention to smoke. It will last for 2 months. Both intervention and control groups will complete follow-up surveys at 3 and 9 months. The control group will receive the intervention materials after the RCT.

Conditions

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Tobacco Use

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Intervention

Students in the schools assigned to the intervention group will receive the intervention after the baseline survey. The intervention will be a social norms campaign involving posters, table tents, flyers and an online banner.

Group Type EXPERIMENTAL

Social norms campaign

Intervention Type BEHAVIORAL

Intervention messages will mainly highlight the prevalence of Hong Kong adolescents who do not smoke cigarettes and have no intention to smoke cigarettes. The messages will be conveyed to students through posters, table tents, flyers and an online banner. Posters will be posted at prominent places in schools, table tents will be placed in school canteens, flyers will be distributed to students, and the online banner will be placed at the school website. The intervention will last for 2 months.

Control

Students in the schools assigned to the control group will not receive anything during the randomised controlled trial. They will receive the intervention materials after the trial.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Social norms campaign

Intervention messages will mainly highlight the prevalence of Hong Kong adolescents who do not smoke cigarettes and have no intention to smoke cigarettes. The messages will be conveyed to students through posters, table tents, flyers and an online banner. Posters will be posted at prominent places in schools, table tents will be placed in school canteens, flyers will be distributed to students, and the online banner will be placed at the school website. The intervention will last for 2 months.

Intervention Type BEHAVIORAL