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. Author manuscript; available in PMC: 2018 Jul 16.
Published in final edited form as: Contemp Clin Trials. 2018 May 19;70:72–82. doi: 10.1016/j.cct.2018.05.011

Table 2.

Measures at Each Time Pointa and Covariates to be Examined as Predictors of Outcomes

Eligibility Baseline Week 0 Week 1 Week 4 Week 8 Week 10 Week 12 Week 26
Smoking Abstinence Outcomes
Anatabine/anabasine (primary) x
Cotinine (secondary) x
Patient- and Provider-Centered Outcomes
Reduction in nicotine exposure (cotinine) x x
Reduction in carcinogen exposure (NNAL) x x
Days abstinent x x x x
Treatment-related side effects x x x x
Demographics
Demographics (e.g., age, gender, education, income) x x
Perceived health x
Body mass index x
Smoking and Tobacco Use History
Past 30 day use of all tobacco products x x x x x
Menthol/Non-Menthol x
Age first used cigarettes x
Identity as smoker x
Reasons for non-daily smoking x
Non-daily type (i.e., native, converted) x
Triggers for smoking x
Social smoking x
Withdrawal (Minnesota Withdrawal Questionnaire) x x
Craving (Questionnaire of Brief Smoking Urges) x x
Nicotine dependence (Time to First Cigarette) x
Dependence motives (Wisconsin Inventory of Smoking Dependence Motives) x
Social Influences on Smoking
Smoking status of partner/spouse x
Number of smokers in household x
Home smoking restrictions x
Number of friends/family who smoke x
Quitting History
Past year quitting (# of times and longest period) x
Use of pharmacological and behavioral aids to quit x
Alcohol, Other Drugs, and Depressive Symptoms
Depressive symptoms (Patient Health Questionnaire-2) x
Alcohol use (AUDIT-C) x x x x x
Marijuana use x x x x x
Use of prescription pain relievers x
Treatment Process
Counseling completion x x x x x
NRT use (C+NRT only) x x x x
a

Assessments were completed in-person at Weeks 0, 4, 8, 12, and 26 and by phone at Weeks 1 and10.