Age group |
12–13 years | 54.8 (149) | 6.56 | 0.547 |
14–15 years | 45.2 (123) | 6.78 | |
Race/ethnicity |
White, non-Hispanic | 84.1 (228) | 6.62 | 0.6905 |
Other | 15.9 (43) | 6.82 | |
Education level of adult informant |
High school or less | 44.4 (120) | 6.74 | 0.6895 |
More than high school | 55.6 (150) | 6.60 | |
Baseline smoking status† |
Non-susceptible non-smoker | 53.3 (145) | 6.6 | 0.6733 |
Susceptible non-smoker | 22.4 (61) | 6.48 | |
Smoked at most 1 cigarette | 24.3 (66) | 6.91 | |
Belief at baseline that smoking keeps weight down |
Yes | 20.0 (53) | 6.94 | 0.4230 |
No | 80.0 (212) | 6.59 | |
Dieting behaviour |
Yes | 29.7 (80 | 8.21 | 0.0001 |
No | 70.3 (189) | 5.99 | |
Weight self evaluation |
Underweight | 9.4 (25) | 5.00 | 0.0001 |
Just about right | 71.8 (191) | 6.53 | |
Overweight | 18.8 (50) | 7.88 | |
Depression index |
Low | 34.9 (94) | 6.12 | 0.0774 |
Medium | 33.8 (91) | 6.86 | |
High | 31.2 (84) | 7.03 | |
Body mass index (kg/m2) |
BMI <20 | 58.6 (160) | 6.47 | 0.4434 |
20⩾ BMI <23 | 28.6 (78) | 6.95 | |
23⩾ BMI | 12.8 (35) | 6.83 | |