Clinical trial NCT05403957: A Cluster RCT on TID
Official title: A Cluster Randomised Controlled Trial on Tobacco Industry Denormalisation
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: NA
Conditions: Tobacco Industry
Denormalisation
Lead sponsor: The University of Hong Kong
Sponsor class: OTHER
First posted: 2022-06-03
Enrollment: 2881
Sex: ALL
Minimum age (years): 8
Standard ages: CHILD
ADULT
OLDER_ADULT
Accepts healthy volunteers: yes
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: PREVENTION

Brief summary: The brief intervention comprised the main intervention (tobacco industry denormalisation \[TID\] video, TID worksheet and sugar-sweetened beverages \[SSB\] worksheet) and booster intervention (worksheets where key contents in the main intervention reappeared).

The worksheets in the main intervention were printed in colour and contained eight pictures and eight texts which described the pictures. Students needed to match the pictures and texts. The booster worksheets contained the previous eight coloured pictures for the TID and SSB worksheet groups or six coloured screenshots from the TID video. Students needed to complete the six true or false questions based on the pictures provided.

Assessments were conducted immediately (T1), two weeks (T2), one month (T3) and three months (T4) after the main intervention.


Eligibility criteria: Inclusion Criteria:

* Parents' consent to their children's participation;
* Parents and children could understand Chinese.

Exclusion Criteria:

-

Primary outcomes:
measure: TID beliefs
timeFrame: Immediately after the main intervention
measure: Alternative smoking product (ASP)-related knowledge
timeFrame: Immediately after the main intervention
measure: Risk perceptions of ASPs
timeFrame: Immediately after the main intervention
measure: Acceptability of ASPs
timeFrame: Immediately after the main intervention
measure: General views on the tobacco industry
timeFrame: Immediately after the main intervention
Secondary outcomes:
measure: Susceptibility to use ASPs
timeFrame: Immediately after the main intervention
measure: TID beliefs
timeFrame: One month after the main intervention
measure: ASP-related knowledge
timeFrame: One month after the main intervention
measure: Risk perceptions of ASPs
timeFrame: One month after the main intervention
measure: Acceptability of ASPs
timeFrame: One month after the main intervention
measure: General views on the tobacco industry
timeFrame: One month after the main intervention
measure: Susceptibility to use ASPs
timeFrame: One month after the main intervention
measure: TID beliefs
timeFrame: Three months after the main intervention
measure: ASP-related Knowledge
timeFrame: Three months after the main intervention
measure: Risk perceptions of ASPs
timeFrame: Three months after the main intervention
measure: Acceptability of ASPs
timeFrame: Three months after the main intervention
measure: General views on the tobacco industry
timeFrame: Three months after the main intervention
measure: Susceptibility to use ASPs
timeFrame: Three months after the main intervention
Other outcomes:
Locations:
city: Hong Kong
country: Hong Kong
facility: Local primary schools
Study officials:
affiliation: The University of Hong Kong
name: SAI YIN HO
role: PRINCIPAL_INVESTIGATOR
References: