Muhammad 2015.

Trial name or title	A pilot randomized controlled trial on the effectiveness of a 'lung age' intervention on smoking cessation. Effectiveness of a 'lung age' intervention on smoking cessation rate in a Singaporean community
Methods	Pilot randomised controlled trial
Participants	108 participants (convenience sample) recruited from population health screenings in Singapore Inclusion criteria: Currently smoking Aged 35 years and above Able to read and/or speak in English and/or Mandarin Exclusion criteria: Known history of major psychiatric illness History of respiratory‐related diseases: COPD, asthma, bronchiectasis Ejection fraction < 4%, or diagnosed with congestive cardiac failure Diagnosed with acute myocardial infarction within 1 month Diagnosed with fluid overload/acute pulmonary oedema Receiving oxygen therapy Recent eye/thoracic/abdominal surgery Chest/abdominal/oral and facial pain Hyperventilation syndrome
Interventions	Intervention arm: lung age intervention A spirometry test will be conducted to determine the lung age of participants in the intervention group. These participants will then receive an educational intervention on their lung age in addition to standard smoking cessation counselling. Control arm: usual smoking education
Outcomes	Smoking cessation rates at 3 and 6 months
Starting date	4 September 2014 (end date 3 September 2015)
Contact information	Wenru Wang, PhD, RN nurww@nus.edu.sg
Notes	Study completed but data not published. Author contacted but no answer received.