Behaviors
|
Smoking statusa
|
Sex
|
Location of school
|
---|
Boys
|
Girls
|
Urban
|
Rural
|
---|
AORc (95% CI)
|
AORc (95% CI)
|
AORc (95% CI)
|
AORc (95% CI)
|
---|
Dietary
|
Breakfast (Daily)\a
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
0.58 (0.51–0.65)
|
0.50 (0.37–0.66)
|
0.65 (0.53–0.79)
|
0.57 (0.49–0.65)
|
Fruits (≥2 times/d)a
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
0.91 (0.79–1.05)
|
0.81 (0.60–1.09)
|
0.58 (0.46–0.72)
|
0.94 (0.81–1.10)
|
Vegetables (≥2 times/d)a
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
0.83 (0.73–0.95)
|
0.65 (0.50–0.86)
|
0.77 (0.63–0.94)
|
0.84 (0.73–0.96)
|
Milk (≥3 d/wk)a
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
0.66 (0.58–0.75)
|
0.81 (0.62–1.07)
|
0.64 (0.52–0.78)
|
0.73 (0.64–0.84)
|
Soft drinks (≥1 times/d)b
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
1.67 (1.42–1.95)
|
1.87 (1.28–2.73)
|
2.26 (1.78–2.87)
|
2.00 (1.67–2.40)
|
Fast food (≥2 d/wk)b
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
1.37 (1.15–1.63)
|
1.61 (1.18–2.19)
|
1.18 (0.93–1.51)
|
1.28 (1.06–1.54)
|
Physical Activity
|
Moderate physical activity (≥2d/wk)b
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
0.91 (0.79–1.05)
|
0.68 (0.52–0.90)
|
0.86 (0.69–1.06)
|
0.96 (0.83–1.11)
|
Muscle strengthening activity (≥2 d/wk)b
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
1.10 (0.97–1.26)
|
1.55 (1.12–2.12)
|
1.79 (1.45–2.22)
|
1.65 (1.43–1.91)
|
Attend physical education classes (≥2 d/wk)
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
0.65 (0.55–0.77)
|
0.75 (0.53–1.04)
|
0.53 (0.42–0.66)
|
0.79 (0.64–0.96)
|
Sedentary Activity
|
Watch TV (≥2 h/d)
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
0.97 (0.84–1.12)
|
1.20 (0.89–1.60)
|
0.84 (0.66–1.07)
|
0.90 (0.77–1.05)
|
Use computer (≥2 h/d)b
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
2.07 (1.81–2.37)
|
1.41 (1.05–1.88)
|
2.35 (1.88–2.93)
|
1.73 (1.50–2.00)
|
Other
|
Sleep duration (≥8 h/d)a
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
0.99 (0.86–1.14)
|
0.96 (0.73–1.28)
|
1.18 (0.96–1.45)
|
0.93 (0.80–1.08)
|
Drink alcohol (yes)a
|
Nonsmokers
|
Ref.
|
Ref.
|
Ref.
|
Ref.
|
|
Current smokers
|
4.49 (3.94–5.11)
|
10.62 (7.67–14.72)
|
4.67 (3.79–5.75)
|
5.80 (5.03–6.69)
|
- Bold numbers represent significant results
-
aDuring the past 30 days.
-
bDuring the past 7 days
-
cAdjusted for all the covariates listed in the table