Introduction
Cancer
CANCER
Emerging evidence supports the efficacy of mobile phone interventions for smoking cessation.The most common mobile smoking cessation programs have been based on messages sent through short messaging services or smartphone apps.Many studiesChina has a dual burden of smoking and limited health resources; however, mobile cessation interventions have neither been integrated into routine tobacco control programs nor attracted additional attention at the policy-maker level. An important reason for this gap in mobile interventions is the lack of a smoking cessation tool that has been proven effective for Chinese people via data from a large-sample study. We found only 2 previous studiesThe purpose of this study was to compare the efficacy of an investigator-developed behavior change theory–based smoking cessation intervention using personalized text messages (intervention group) with a US National Cancer Institute (NCI)–developed smoking cessation intervention using nonpersonalized text messages (control group).