Hutchinson 2013.

Trial name or title	PREPASE (PREvent PAssive Smoke Exposure)
Methods	RCT
Participants	Families with children (birth to 13 years of age) having an asthma predisposition who experience passive smoke exposure at home
Interventions	A motivational interviewing tailored programme including urinary cotinine feedback with 6 sessions; based on the principles of the reasoned action model
Outcomes	Primary outcome measure: • Percentage of families curtailing passive smoking exposure in children (parental report verified with urine cotinine concentrations of children) after 6 months Secondary outcome measures: • Household nicotine level • Child’s lung function, airway inflammation and oxidative stress, presence of wheezing and questionnaires on respiratory symptoms, and quality of life.
Starting date	Unclear
Contact information	On paper: contact via Sasha Hutchinson
Notes	Dr. Hutchinson contacted on 28 June 2017; no response