1,023
Participants
Start Date
July 1, 2017
Primary Completion Date
October 31, 2018
Study Completion Date
March 31, 2019
Video+brief smoking cessation+pamphlet
The videos presented the health effects of smoking, especially emphasizing the importance of smoking cessation on pregnant women, fetuses, and newborns.
Text-message+brief smoking cessation+pamphlet
The text -message contains the same content with the videos
brief smoking cessation+pamphlet
"The pamphlet showed the general information related to the smoking cessation, the brief smoking cessation only contains a sentence like You'd better quit smoking."
The University of Hong Kong, Hong Kong
The University of Hong Kong
OTHER