Table 2

Other variables

Types of variable	Variables
Sociodemographic	Age Sex Marital status Living alone or not Living with child/children Planning a family or adoption Socioprofessional categories (INSEE scale level 1 in eight grades) Level of education
Comorbidity	Receiving treatment for a chronic disease or not
Dependency and consumption(Fagerstrom test36 in two questions)	Length of time between waking up and consuming Number of cigarettes/day Age at time of first smoke Daily consumption or not
Motivation (numerical scale of 1–10 as recommended by HAS32	Importance of quitting Abstinence self-efficacy
Experience of quitting	Experience of being supported
Support preferences32	List of HAS-recommended treatments including electronic cigarettes
External factors	Psychological and environmental factors beneficial to cessation (access to other methods; social support including support groups, friends and relatives, influence of a third party; combined work and personal life events) Psychological and environmental factors adverse to cessation
Mechanisms/components of the intervention	Number and types of BCTs encountered by the participant in his/her attempts to quit37–40 TIS usage data: number of connections, frequency of activity use, progress through the modules

BCT, behavioural change techniques; HAS, Haute Autorité de Santé; INSEE, Institut National de la Statistiques et des Etudes Economiques; TIS, Tabac Info Service.