Table 1

Descriptions for the 3 broad categories and 11 specific classifications of European cigarette consumption trajectories

ClassificationDescription
Generally decreasing consumption trends
Continual declineCharacterised by consistent decline over the time period; lacks a well-defined period of plateau or single accelerated period of decrease
Continual decline with interruptionCharacterised by a steady decrease over the time period interrupted by at least one well-defined period of plateau or increase
Decline to stableCharacterised by a period of decline followed by a protracted plateau period
Stable to continual declineCharacterised by a protracted plateau period followed by a well-defined period of continual decrease
Stable with single declineCharacterised by a protracted plateau period interrupted by an acute period of decrease
Unstable, stable or reversing consumption trends
Inverted U shapeCharacterised by a well-defined period of increase, followed either by (a) a well-defined period of decrease, or (b) a short plateau period, and then a well-defined period of decrease
Sine wave or continual instabilityCharacterised by alternating but clearly defined periods of increase and decrease, and/or extended periods of rapid increases and decreases
StableCharacterised by a protracted plateau period; lacks a well-defined period of increase or decrease
Generally increasing consumption trends
Increase to stableCharacterised by a period of increase followed by a protracted plateau period
Stable with single increaseCharacterised by a protracted plateau period interrupted by an acute period of increase
Stable to continual increaseCharacterised by a protracted plateau period followed by a well-defined period of continual increase