Development of Typology-based Smoking Relapse Prevention: A Q-methodology and a Pilot Randomized Controlled Trial

"The typology-based intervention includes:~1. typology-based counselling,~2. personalized E-message based on the counselling content discussed~3. a booklet introducing the typology of quit identity.~All interventions and materials are delivered by smoking counselling."

"The routine smoking cessation intervention includes:~1. Routine counselling generic advice on preventing smoking relapse~2. Brief e-messages that consist of general quit advice for 4 weeks.~Counsellors implement both routine practices."