2,881
Participants
Start Date
June 1, 2021
Primary Completion Date
October 22, 2021
Study Completion Date
February 19, 2022
TID video
"Main intervention: A video introducing the tobacco industry's marketing tactics to attract children and adolescents to smoke and their manipulation of tobacco control policy formation.~Booster intervention: 6 screenshots from the video and 6 true or false questions."
TID worksheet
"Main intervention: A worksheet using pictures and texts to introduce the tobacco industry's marketing tactics to attract children and adolescents to smoke and their manipulation of tobacco control policy formation.~Booster intervention: 8 pictures from the TID worksheet in the main intervention and 6 true or false questions."
SSB worksheet
"Main intervention: A worksheet using pictures and texts to introduce the beverage industry's marketing tactics to attract children and adolescents to drink SSBs and the health risks of SSBs.~Booster intervention: 8 pictures from the SSB worksheet in the main intervention and 6 true or false questions."
Local primary schools, Hong Kong
The University of Hong Kong
OTHER