Participants in the STOP RCT
The main inclusion criteria is regular smoking of at least five cigarettes per day, a willingness to quit or reduce tobacco consumption, and a low socio-economic position (low SEP). To assess SEP, individuals had to be either unemployed or eligible for a social benefit reserved to low-income individuals living in France. Participants also have to be at least 18 years of age, available for four follow-up appointments over the course of six months, and covered by the French national health insurance system. Patients who are already attempting to quit smoking, or those under guardianship or legal curatorship were not eligible to be included, as were persons who did not speak French.