Table 4.

Correlation matrix for baseline covariates

(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)
(1) Gender1.0
(2) Race0.011.0
(3) Novelty−0.05−0.06*1.0
(4) DS0.140.06*0.151.0
(5) Peers0.040.130.190.151.0
(6) Alcohol−0.03−0.040.290.130.271.0
(7) MJ−0.120.020.180.060.240.511.0
(8) PA−0.15−0.140.04−0.110.060.160.091.0
(9) Teams−0.13−0.280.11−0.11−0.040.08−0.000.341.0
(10) Grades0.160.19−0.27−0.10−0.21−0.17−0.230.080.171.0
(11) TAR−0.10−0.010.220.130.170.260.220.080.07−0.131.0
Mean1.520.3710.7813.800.542.151.4410.511.593.010.46
SD0.500.483.869.080.501.551.145.061.180.780.50
  • NOTE: Gender: 0 = male, 1 = female; Race: 0 = Caucasian, 1 = non-Caucasian; Novelty, novelty seeking; DS, depressive symptoms (score range, 0-60); Peers: 1 = peers smoking, 0 = else; Alcohol: 1 = had at least one drink, 0 = else; MJ: 1 = smoked marijuana at least once, 0 = else; PA, hours of physical activity per week; Teams, number of teams in the past 12 months; Grades: self-reported grade point average on a four-point scale (4 = A, 3 = B, 2 = C, 1 = Mostly Ds and Fs); TAR: 1 = receptive to tobacco advertising, 0 = else.

  • * P < 0.05.

  • P < 0.0001.

  • P < 0.01.