120
Participants
Start Date
May 31, 2012
Primary Completion Date
March 31, 2013
Study Completion Date
March 31, 2013
Stress Ball vs Nicotine-free E-Cigarette
"In a cross over design, participants will be randomly allocated to:~1. use a stress ball for 5 minutes during a 1 hour controlled experiment. They will also use the stress ball for one day outside of the study centre.~2. use a nicotine-free EC for 5 minutes during a 1 hour controlled experiment. They will also use the EC ad-libitum for one day outside of the study centre.~One week later participants will complete the other arm."
Nicotine-free E-Cigarette vs De-nicotinised Cigarette
"In a cross over design, participants will be randomly allocated to:~1. use a nicotine-free EC for 5 minutes during a 1 hour controlled experiment. They will also use the EC ad-libitum for one day outside of the study centre.~2. smoke 1 de-nicotinised cigarette during a 1 hour controlled experiment. They will also be given a pack to smoke ad-libitum for one day outside of the study centre.~One week later participants will complete the other arm."
Tobacco Dependence Research Unit, London
Queen Mary University of London
OTHER