An experimental comparison of mobile texting programs to help young adults quit smoking

Text messaging interventions may offer promise for health systems, but we need more evidence. We investigated efficacy of three text messaging programs in helping smokers quit. Arm 1 had cessation assessment and quit date reminder messages. Arm 2 had Arm 1 messages plus quit date preparation messages. Arm 3 had Arm 1 and Arm 2 messages plus 6 weeks of post-quit date messaging. Smokers aged 18–29 interested in quitting were randomly assigned to a...