The overarching aim of this proposed randomized controlled trial (RCT) is to test nicotine replacement therapy (NRT) with text message support for two smoking cessation approaches among young adult dual users of combustible cigarettes (CC) and electronic cigarettes (EC). The investigators will use a 2x2 factorial design to randomize 390 participants to receive A) NRT plus text messages to quit CCs only, B) NRT plus text messages to quit CCs and ECs simultaneously, C) text messages alone to quit CCs only, or D) text messages alone to quit CCs and ECs simultaneously. The investigators primary outcome will be 7-day point-prevalence abstinence at the end of treatment (i.e., 3 months after randomization). The investigators will recruit participants using national advertising strategies. All treatment will be provided remotely in order to increase treatment access and comply with current COVID-19 restrictions.
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Biochemically Confirmed 7-day Point-prevalence Cigarette Abstinence
Timeframe: End of treatment (ie., the 3 month follow up)
Self-reported 7-day Point-prevalence Cigarette Abstinence
Timeframe: End of treatment (ie., the 3 month follow up)
Adverse Events During Treatment
Timeframe: The 3 month treatment period.