Table 1.

Definitions of Spontaneous Versus Planned and With Cutting Down First (Abrupt) Versus Not (Gradual) Quit Attempts

Quit attempts	Without cutting down first (abrupt)	With cutting down first (gradual)
Spontaneous (quit at the moment the decision was made)	Attempted to cease all smoking the moment the decision to stop was made	Attempted to begin the process of stopping smoking the moment the decision to stop was made by reducing consumption, or after a period of reduction had already taken place
Planned (for later the same day or in the future)	Attempted to cease smoking in one step but delayed initiation until a later point in time	Attempted to stop smoking by reducing cigarette consumption first, delaying initiation until a later point in time