1,010
Participants
Start Date
August 24, 2024
Primary Completion Date
September 24, 2024
Study Completion Date
October 8, 2024
Branded pack with new PHWs covering 50% of the pack without quitline information
Participants received and were required to view six images depicting a branded cigarette pack with a new set of six pictorial health warnings covering 50% of the pack, without quitline information.
Branded pack with new PHWs covering 85% of the pack without quitline information
Participants received and were required to view six images depicting a branded cigarette pack with a new set of six pictorial health warnings covering 85% of the pack, without quitline information.
Branded pack with new PHWs covering 85% of the pack with quitline information
Participants received and were required to view six images depicting a branded cigarette pack with a new set of six pictorial health warnings covering 85% of the pack, with quitline information
Plain pack with new PHWs covering 85% of the pack with quitline information
Participants received and were required to view six images depicting a plain cigarette pack with a new set of six pictorial health warnings covering 85% of the pack, with quitline information
Branded pack with the current set of PHWs covering 50% of the pack without quitline information
Participants received and were required to view 6 images depicting a branded cigarette pack with a current set of 6 pictorial health warnings covering 50% of cigarette packs without quitline information (It is the current pictorial health warnings implemented in Vietnam)
Hanoi University of Public Health, Hanoi
Hanoi University of Public Health
OTHER
Georgia State University
OTHER