Table 1. Demographic characteristics of study subjects.

	Smokers (N = 168)	Non-smokers (N = 363)
Mean (SD)
Age	37.0 (11.9)	35.0 (11.6)
Cigarettes/day	14.1 (11.1)	-
Age of smoking onset	17.0 (4.0)	-
N (%)
Male*	86 (51.2)	228 (62.8)
Stable relationship	117 (69.6)	262 (72.2)
Employed	135 (80.4)	317 (87.3)
11+years of schooling**	54 (32.1)	144 (39.7)
FTDN (Moderate/Severe)***	89 (53.6)	-

^*P = 0.02.

^**P = 0.002.

^***FTND = Fagerstrom Test for Nicotine Dependence: Moderate/High (4–10) vs Low dependence nicotine level scores (0–3).