Table 1

Selected baseline characteristics of female adolescents in the study population* (n=273)

Perceived importance of being thin (0–10 scale)
Characteristic% (n)Meanp Value
*Subjects include female adolescents aged 12–15 who had smoked at most 1 cigarette by baseline
†Baseline smoking status: non-susceptible non-smoker = girls who had never even puffed and were not susceptible to smoking; susceptible non-smoker = girls who had never even puffed but were susceptible to smoking; smoked at most 1 cigarette = girls who had smoked or puffed at most a whole cigarette.
Age group
    12–13 years54.8 (149)6.560.547
    14–15 years45.2 (123)6.78
Race/ethnicity
    White, non-Hispanic84.1 (228)6.620.6905
    Other15.9 (43)6.82
Education level of adult informant
    High school or less44.4 (120)6.740.6895
    More than high school55.6 (150)6.60
Baseline smoking status†
    Non-susceptible non-smoker53.3 (145)6.60.6733
    Susceptible non-smoker22.4 (61)6.48
    Smoked at most 1 cigarette24.3 (66)6.91
Belief at baseline that smoking keeps weight down
    Yes20.0 (53)6.940.4230
    No80.0 (212)6.59
Dieting behaviour
    Yes29.7 (808.210.0001
    No70.3 (189)5.99
Weight self evaluation
    Underweight9.4 (25)5.000.0001
    Just about right71.8 (191)6.53
    Overweight18.8 (50)7.88
Depression index
    Low34.9 (94)6.120.0774
    Medium33.8 (91)6.86
    High31.2 (84)7.03
Body mass index (kg/m2)
    BMI <2058.6 (160)6.470.4434
    20⩾ BMI <2328.6 (78)6.95
    23⩾ BMI12.8 (35)6.83