Table 2 Tobacco abstinence outcomes at 6 months (7-day point prevalence; intent to treat analysis)

	Pre-NRT launch (11 July 2004–30 April 2005)		Post-NRT launch (11 July 2005–30 April 2006)
	No	% (95% CI)	No	% (95% CI)
All callers	n = 10 009	10.3 (9.7 to 10.9)	n = 13 233	14.9 (14.3 to 15.5)
	1034 quit		1977 quit
All quitline counselling participants	n = 5890	13.5 (12.6 to 14.4)	n = 11 136	16.6 (15.9 to 17.3)
	795 quit		1849 quit
Counselling participants receiving NRT	NA	NA	n = 6674	20.2 (19.2 to 21.2)
			1350 quit
Counselling participants not receiving NRT	n = 5890	13.5 (12.6 to 14.4)	n = 4462	11.2 (10.3 to 12.1)
	795 quit		499 quit
Self guided participants	n = 4119	5.8 (5.1 to 6.5)	n = 2097	6.1 (5.1 to 7.1)
	239 quit		128 quit