Table 1.

Characteristics of Smokers by Quit History for TUS-CPS^a

	2006–07 survey				2003 survey
	Quit in last 12 months		Ever quit		Quit in last 12 months		Ever quit
	Attempt lasted <24 hr	Attempt lasted ≥24 hr	Attempt lasted <24 hr	Attempt lasted ≥24 hr	Attempt lasted <24 hr	Attempt lasted ≥24 hr	Attempt lasted <24 hr	Attempt lasted ≥24 hr
Demographics
Age	44	41	43	43	44	40	42	43
% Men	47	53	49	52	46	52	49	52
% Whiteb	78	76	79	81	76	77	76	82
% ≥HS	81	83	76	83	78	83	76	83
Dependence
Age of onset	17	18	17	17	17	17	17	17
Cigarettes/dayc	15	15	20	17	20	15	20	20
TTFCc	30	30	15	30	20	30	15	30

Note. HS = high school education; TTFC = time to first cigarette, in minutes.

^aAll data weighted (see text). Values in bold indicate where difference is greater than 15% for <24 hr versus ≥24 hr comparison.

^bNon-Hispanic also.

^cMedian.