In phase I, 359 patients were recruited from three
hospitals. Most of them (79.4%) were male, and 18.9% of
the participants had an intention to quit at enrollment (Table
1). At three months after enrollment, 189 patients were
responded to the mailed questionnaire. Among them, 27
patients (7.5% of 359 participants) quit, 17 (4.7%) once quit
but relapsed as shown in Table 2. The smoking cessation
rate differed according to quit intention at enrollment