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Table 4 Smoking status and its associations with health-related behaviors stratified by sex and location of school among students from 2012 Zhejiang Youth Risk Behavior Survey

From: The associations between cigarette smoking and health-related behaviors among Chinese school-aged adolescents

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)
  1. Bold numbers represent significant results
  2. aDuring the past 30 days.
  3. bDuring the past 7 days
  4. cAdjusted for all the covariates listed in the table
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