Attributes of this Class are:

K		START DATE
	O	END DATE
	O	NON SMOKING CONFIRMED AT 4 WEEKS
	O	NON SMOKING CONFIRMED AT 52 WEEKS
	O	OUTCOME AT 4 WEEK FOLLOW-UP
	O	OUTCOME AT 52 WEEK FOLLOW-UP
		PHARMACEUTICAL SMOKING CESSATION AID
	O	PREGNANCY STATUS
	O	QUIT DATE