Table 4:
Reasons for Ineligibility
| Reason | n | 
|---|---|
| Ineligible based on initial phone screening (n=72/625) | 72 | 
| < 18 years of age | 2 | 
| Daily user of tobacco products (>27 days in last 30) | 14 | 
| Smoked cigarettes and/or little cigars on <4 or >27 days in last 30 | 23 | 
| Non-daily smoker for < 3 months (only among non-daily smokers) | 18 | 
| Smoked < 100 cigarettes/little cigars in lifetime (i.e., non-smoker) | 8 | 
| Unwilling to use choice of nicotine patch, gum, or lozenge as part of the study for the next 3 months | 1 | 
| Unwilling to refrain from use of other smoking cessation pharmacotherapies, including e-cigarettes for the next 6 months | 1 | 
| Unwilling to provide urine for biomarker analyses | 2 | 
| Unable to make study-related visits | 1 | 
| Another household member enrolled in study | 1 | 
| Moving out of area in next 6 months | 5 | 
| Pharmacotherapy- or electronic cigarette-assisted quit attempt in the past 30 days | 17 | 
| Medical ineligibility | |
| Hospitalized for heart attack or irregular heart beat in past 30 days | 2 | 
| Experienced angina or heart-related chest pain in past 30 days | 5 | 
| Pregnant, planning to get pregnant, or breastfeeding (females only) | 2 | 
| Unwilling to use birth control methods to avoid pregnancy (pre-menopausal or unsterilized females only) | 1 | 
| Did not return for final, in-person eligibility screening (n=249/553) | 249 | 
| Ineligible based on final in-person eligibility screening (n=25/304) | 25 | 
| Unable to provide enough urine for biomarker analyses | 24 | 
| Medical ineligibility | |
| Refused or positive pregnancy test (only among pre-menopausal or unsterilized females) | 4 |