Table 2.

Sample characteristics (M, 95% CI)

MUS-SLCMUS-Tampa
n1715
    Order 1 (ML-MUS-MUL; n)910
    Order 2 (ML-MUL-MUS; n)85
Age27.7 (24.3-31.0)27.8 (23.5-32.1)
Female gender: n (%)12 (70.6)9 (60.0)
Ethnicity, n (%):
    White16 (94.1)11 (73.3)
    Black1 (5.9)2 (13.3)
    Asian1 (6.7)
    Hispanic/Latino1 (6.7)
Highest school completed: n (%)
    High school2 (11.8)1 (6.7)
    Some college5 (31.6)8 (53.3)
    College graduate9 (52.9)5 (31.3)
    Postgraduate1 (5.9)1 (6.7)
Age started smoking daily17.1 (15.7-18.4)17.4 (15.8-19.0)
Cigarettes/day15.7 (12.0-19.3)15.9 (9.5-22.2)
Months smoking at current level78.0 (40.9-115.1)72.5 (32.9-112.2)
Previous quit attempts2.8 (1.6-4.0)1.8 (1.0-2.6)
Longest quit attempt (mo)3.2 (0.4-6.0)2.8 (0.2-5.4)
Time since last quit attempt (mo)25.6 (14.8-36.5)30.2 (14.9-45.6)
Fagerstrom score3.9 (2.5-5.4)4.4 (3.0-5.8)
  • Abbreviations: M, Mean 95% CI, 95% confidence interval.