Between the age of 25 to 65 at baseline
Be willing to participate in a smoking cessation program
Be willing to attend all clinic visits
Must be currently smoking at least ½ pack/day at baseline (confirmed with cotinine level and CO Smokerlyzer
>5 pack-year history of smoking
Global Initiative for Chronic Obstructive Lung Disease (GOLD) 0: FEV1=0.80 and FEV1/FVC>0.70 Forced Expiratory Volume in 1 second (FEV1), Forced Vital Capacity (FVC)
GOLD 1: FEV1=0.80 and FEV1/FVC < 0.70
GOLD 2: 0.50=FEV1<0.80 and FEV1/FVC < 0.70
Be willing to abstain from using any nicotine patches, e-cigarettes, or marijuana for the duration of the study.

NCT03382106_inc_T1
Value
Between 25 to 65
NCT03382106_inc_T2
Person
age
NCT03382106_inc_T3
Temporal
at baseline
NCT03382106_inc_T4
Mood
willing to participate
NCT03382106_inc_T5
Procedure
smoking cessation program
NCT03382106_inc_T7
Observation
smoking
NCT03382106_inc_T8
Value
at least ½
NCT03382106_inc_T9
Measurement
pack/day
NCT03382106_inc_T10
Temporal
at baseline
NCT03382106_inc_T11
Procedure
cotinine level
NCT03382106_inc_T12
Procedure
CO Smokerlyzer
NCT03382106_inc_T13
Measurement
pack-year
NCT03382106_inc_T14
Value
>5
NCT03382106_inc_T15
Observation
smoking
NCT03382106_inc_T16
Measurement
Global Initiative for Chronic Obstructive Lung Disease (GOLD)
NCT03382106_inc_T17
Value
0
NCT03382106_inc_T18
Measurement
FEV1
NCT03382106_inc_T19
Value
=0.80
NCT03382106_inc_T20
Measurement
FEV1/FVC
NCT03382106_inc_T21
Value
>0.70
NCT03382106_inc_T23
Scope
Global Initiative for Chronic Obstructive Lung Disease (GOLD) 0
NCT03382106_inc_T24
Scope
FEV1=0.80 and FEV1/FVC>0.70
NCT03382106_inc_T25
Measurement
GOLD
NCT03382106_inc_T26
Value
1
NCT03382106_inc_T27
Measurement
FEV1
NCT03382106_inc_T28
Value
=0.80
NCT03382106_inc_T29
Measurement
FEV1/FVC
NCT03382106_inc_T30
Value
< 0.70
NCT03382106_inc_T31
Scope
FEV1=0.80 and FEV1/FVC < 0.70
NCT03382106_inc_T32
Scope
GOLD 1
NCT03382106_inc_T33
Measurement
GOLD
NCT03382106_inc_T34
Value
2
NCT03382106_inc_T35
Scope
GOLD 2
NCT03382106_inc_T36
Measurement
FEV1
NCT03382106_inc_T37
Value
V1<0. nd FE
NCT03382106_inc_T38
Measurement
FEV1/FVC
NCT03382106_inc_T39
Value
< 0.70
NCT03382106_inc_T40
Scope
0.50=FEV1<0.80 and FEV1/FVC < 0.70