. Author manuscript; available in PMC: 2011 Dec 29.

Published in final edited form as: Nicotine Tob Res. 2008 Mar;10(3):463–470. doi: 10.1080/14622200801901922

TABLE 2.

CIGARETTE SMOKING VARIABLES

	Age <50	Age 50⁺	p-value
Usual number of cigarettes per day	18.44 (6. 8)	20.8 (8.9)	<.0001*
Number of years smoked regularly	20.2 (7.9)	37.9 (8.1)	<.0001*
FTND Total score at Baseline	4.88 (2.02)	4.88 (2.08)	.9781
FTND Smoked within 30 minutes of arising	N=235 (69.5%)	N=316 (70.2%)	.8831
Number (and percent) of subjects reporting >25 cigarettes per day at Baseline	N=35 (10.3%)	N=95 (20.6%)	<.0001

Variables used for test of hypotheses 1 in bold; hypothesized comparison exceeding the set probability level of .017 indicated by *