Table 3.

Proportion of participants in each smoking status by trajectory, grades 9 to 12

LevelAdolescent smoking trajectory (n = 968)
Never (n = 434)Experiment (n = 222)Late (n = 236)Early (n = 76)
9th grade
    Never10.6300.1130.003
    Puffer00.2870.3390.014
    Experimenter00.0820.5350.576
    Current00.0010.0090.220
    Frequent000.0050.188
10th grade
    Never10.4530.0340.001
    Puffer00.3900.1530.004
    Experimenter00.1550.7660.293
    Current00.0010.0310.261
    Frequent00.0010.0160.441
11th grade
    Never0.9940.3080.0120
    Puffer0.0050.4350.0600.001
    Experimenter0.0010.2540.8000.127
    Current00.0030.0810.177
    Frequent00.0000.0470.695
12th grade
    Never0.9330.1240.0060
    Puffer0.0560.5280.0290.001
    Experimenter0.0110.3430.7260.065
    Current00.0040.1440.108
    Frequent00.0010.0950.826