{"groups":[{"description":"Patients receive oral varenicline once daily on days 1-3 and twice daily thereafter for a total of 6 months or when a comfortable level of smoking abstinence is reached.\n\nvarenicline: Given orally","id":"FG000","title":"Arm I"},{"description":"Patients receive oral varenicline placebo once daily on days 1-3 and twice daily thereafter for a total of 6 months or when a comfortable level of smoking abstinence is reached.\n\nplacebo: Given orally","id":"FG001","title":"Arm II"},{"description":"Patients receive a nicotine patch, with doses tapering over time for a total of 26 weeks. Patients also receive nicotine gum to quell breakthrough urges. Patients may stop treatment when a comfortable level of smoking abstinence is reached.\n\nnicotine: Given transdermally and orally","id":"FG002","title":"Arm III"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"20"},{"groupId":"FG001","numSubjects":"8"},{"groupId":"FG002","numSubjects":"20"}],"type":"Lost to Follow-up"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"2"},{"groupId":"FG002","numSubjects":"1"}],"type":"Death"},{"reasons":[{"groupId":"FG000","numSubjects":"2"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"}],"type":"Hospitalized"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"2"}],"type":"Residential Treatment"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"3"}],"type":"Incarcerated"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"137"},{"groupId":"FG001","numSubjects":"45"},{"groupId":"FG002","numSubjects":"133"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"115"},{"groupId":"FG001","numSubjects":"35"},{"groupId":"FG002","numSubjects":"107"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"22"},{"groupId":"FG001","numSubjects":"10"},{"groupId":"FG002","numSubjects":"26"}],"type":"NOT COMPLETED"}],"title":"End of Treatment (6 Month Interview)"},{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"66"},{"groupId":"FG001","numSubjects":"19"},{"groupId":"FG002","numSubjects":"50"}],"type":"Lost to Follow-up"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"137"},{"groupId":"FG001","numSubjects":"45"},{"groupId":"FG002","numSubjects":"133"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"71"},{"groupId":"FG001","numSubjects":"26"},{"groupId":"FG002","numSubjects":"83"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"66"},{"groupId":"FG001","numSubjects":"19"},{"groupId":"FG002","numSubjects":"50"}],"type":"NOT COMPLETED"}],"title":"End of Study (12 Month Interview)"}]}