. Author manuscript; available in PMC: 2008 May 6.

Published in final edited form as: Nicotine Tob Res. 2006 Dec;8(Suppl 1):S69–S76. doi: 10.1080/14622200601039949

Table 1.

Baseline demographic and smoking characteristics by condition.

	NOT, n = 170, M (SD)	NOT Plus, n = 181, M (SD)	τ/χ²
Age	16.6 (1.14)	16.3 (1.04)	2.77^**
Female (%)	52.4	55.2	0.59
Race/ethnicity (%)			16.13^**
White	82.4	67.2
Latino	5.9	4.4
Black	6.5	20.0
Other	5.3	8.3
Mother smokes (%)	56.5	49.7	0.22
Father smokes (%)	46.7	46.5	0.98
Any previous quit attempts (%)	83.9	79.6	0.29
Average number of days smoking in past 7 days	6.5 (1.1)	6.2 (1.2)	2.42*
Average number of cigarettes smoked per day in past 7 days	9.2 (7.9)	7.3 (6.9)	2.38*
Average number of cigarettes smoked per day in past 30 days	11.9 (7.6)	8.9 (6.8)	4.00^***

p < .05,

^**

p < .01,

^***

p < .001.