An observational study in Dysfunctional Breathing, Physical Activity and Nicotine Dependence, sponsored by Istinye University. Not yet recruiting. Open to participants aged 18 Years to 24 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-09-28.
Sponsored by Istinye University · Observational
We will structure the study's summary to provide a clear and accessible overview for patients, families, and healthcare providers. The research will examine young adult cigarette smokers aged 18 to 24 to estimate the prevalence of a dysfunctional breathing-compatible symptom pattern using the Nijmegen Questionnaire. Furthermore, the study will assess how nicotine dependence severity-measured via the Fagerström Test for Nicotine Dependence-and physical activity levels-assessed using the International Physical Activity Questionnaire-relate to this symptom burden. We will recruit participants through social media announcements and conduct face-to-face evaluations at Istinye University. The project will employ hierarchical linear and binary logistic regression models, adjusting for age, sex, and body mass index, to determine independent predictors of dysfunctional breathing. Ultimately, the findings will provide valuable insights into the combined impacts of smoking severity and physical activity on respiratory health in young adults.
The study population will consist of young adult cigarette smokers aged 18 to 24 recruited through social media announcements, who will undergo face-to-face evaluation and eligibility assessments at a single center.
Exclusion Criteria:
Other: Observational evaluation.
This study will not involve any experimental medical treatment or intervention. It will be an observational evaluation where participants will complete self-report instruments, including the Fagerström Test for Nicotine Dependence, the International Physical Activity Questionnaire, and the Nijmegen Questionnaire, along with a sociodemographic form during a single face-to-face session.
Fagerström Test for Nicotine Dependence
his instrument will assess the severity of nicotine dependence through six items evaluating daily cigarette consumption and smoking patterns.
Time frame: Measured once during the single face-to-face evaluation session
Nijmegen Questionnaire
This questionnaire will assess the symptom burden of respiratory, neurovegetative, and neuromuscular features to identify a dysfunctional breathing-compatible symptom pattern.
Time frame: Measured once during the single face-to-face evaluation session.
International Physical Activity Questionnaire Short Form
This tool will evaluate the participant's physical activity levels over the previous week by recording the duration and frequency of walking and physical activities.
Time frame: Measured once during the single face-to-face evaluation session.
No study locations are listed for this record.
This study is not yet recruiting, as verified in Sep 2026. You cannot join it, but the record below documents what was studied.
Get an email when the registry record changes — status, dates, results — or when someone posts here.
Sign in to followQuestions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.
Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.
Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.
Istinye University