NCT02261363

Trial name or title	A mixed method EMA assessment of cognition and behavior among new ENDS users: an observational cohort study
Methods	Observational cohort study Setting: community Recruitment: volunteers
Participants	Estimated enrolment: 120, 100 not intending to quit in next 30 days, 20 intending to quit Selected inclusion criteria: aged 18 years or older daily smoker with at least 5 years of established daily smoking not taking smoking cessation medications have not used an ENDS product (electronic cigarette) in the last 30 days be interested in trying an ENDS not have heart disease/uncontrolled blood pressure not have psychosis/suicidal thoughts not be currently enrolled in an alcohol treatment programme
Interventions	Unclear whether participants will be encouraged to use EC or not
Outcomes	Wks 1 ‐ 3: Primary: cigarette use, EC use Secondary: motivation to quit
Starting date	August 2014
Contact information	Jennifer Pearson, American Legacy Foundation
Notes	May not be eligible