The experimental design is a cluster randomized trial in 2 parallel groups: an intervention group with assessment of the pulmonary age and a control group without. The population studied is patients aged 25 or more, smoking for more than a year, seen in general practice consultation, for any reason. The progress of the study will be composed of an inclusion visit (M0) with a pulmonary age estimation for the intervention group and an measurement of the exhaled carbon monoxide for both groups, then a follow-up visit 6 months after the inclusion (M6) with an exhaled carbon monoxide measure for both groups, and a phone call at 12 months (M12) with a quality of life survey for both groups. The primary outcome is the smoking cessation at 6 months, confirmed by the carbon monoxide exhaled, at a scheduled consultation with the General practitioner (GP).
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Rate of smoking cessation at 6 months
Timeframe: 6 months