TABLE 1

Descriptive Statistics for Advertising Exposure Measures and Covariates

Variablen (%)
Students2102 (100)
Age, y
    10–11561 (27)
    12753 (36)
    13572 (27)
    14–17214 (10)
Gender
    Female1158 (55)
    Male941 (45)
SES
    Quartile 1 (lowest)526 (25)
    Quartile 2564 (27)
    Quartile 3618 (29)
    Quartile 4 (highest)394 (19)
State
    Schleswig-Holstein874 (41)
    Hamburg580 (28)
    Brandenburg648 (31)
Have parent who smokes
    No1106 (53)
    Yes961 (47)
Have a friend who smokes
    No1515 (73)
    Yes574 (27)
Sensation-seeking
    Below median1394 (66)
    Above median704 (34)
School performance
    Excellent304 (15)
    Good1053 (50)
    Average/poor733 (35)
Television screen time
    None62 (3)
    ½ h296 (14)
    1 h640 (31)
    2 h599 (29)
    3 h283 (14)
    4 h110 (5)
    >4 h95 (5)
Cigarette-advertisement exposure
    Tertile 1 (low)1071 (51)
    Tertile 2 (medium)335 (16)
    Tertile 3 (high)696 (33)
Other advertisement exposure
    Tertile 1 (low)895 (43)
    Tertile 2 (medium)571 (27)
    Tertile 3 (high)636 (30)