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Table 2 Association of individual and school level characteristics with adolescents' health risk behaviours and their perceptions of school personnel smoking.

From: Contribution of parental and school personnel smoking to health risk behaviours among Finnish adolescents

  Smoking prevalence Smoking cessation* Smoking intensity during school time† Reporting personnel smoking at school Weekly alcohol use Binge drinking One-month drug use
  OR (95% CI)‡ OR (95% CI)‡ COR (95% CI)‡ COR (95% CI)‡ OR (95% CI)‡ OR (95% CI)‡ OR (95% CI)‡
Sex        
   Boy 1.00 1.00 1.00 1.00 1.00 1.00 1.00
   Girl 1.17 (1.11-1.24) 0.72 (0.66-0.78) 0.73 (0.65-0.83) 0.78 (0.73-0.83) 0.63 (0.58-0.68) 0.70 (0.65-0.74) 1.10 (1.00-1.20)
Grade level        
   8th (secondary school) 1.00 1.00 1.00 1.00 1.00 1.00 1.00
   9th (secondary school) 1.50 (1.40-1.62) 0.86 (0.78-0.96) 1.30 (1.12-1.50) 1.05 (0.97-1.13) 1.77 (1.59-1.98) 1.59 (1.47-1.73) 1.17 (1.05-1.30)
   1st (upper secondary school) 1.42 (1.24-1.63) 0.93 (0.81-1.08) 1.69 (1.26-2.28) 0.78 (0.55-1.12) 1.95 (1.63-2.33) 1.79 (1.55-2.07) 0.88 (0.75-1.04)
   2nd (upper secondary school) 1.98 (1.72-2.27) 0.88 (0.77-1.02) 1.98 (1.47-2.66) 1.01 (0.70-1.44) 4.24 (3.57-5.04) 3.11 (2.69-3.59) 0.98 (0.83-1.16)
Parental education        
   I highest 1.00 1.00 1.00 1.00 1.00 1.00 1.00
   II 1.02 (0.95-1.09) 0.99 (0.90-1.09) 1.06 (0.91-1.23) 0.97 (0.89-1.04) 1.00 (0.90-1.10) 1.05 (0.97-1.13) 1.03 (0.93-1.15)
   III 1.28 (1.19-1.38) 0.87 (0.79-0.97) 1.36 (1.16-1.59) 1.04 (0.96-1.14) 1.21 (1.09-1.34) 1.32 (1.21-1.43) 1.14 (1.01-1.27)
   IV lowest 1.56 (1.39-1.75) 0.72 (0.61-0.84) 1.42 (1.13-1.77) 1.15 (1.00-1.32) 1.60 (1.37-1.87) 1.55 (1.37-1.76) 1.48 (1.25-1.75)
Proportion (%) of pupils at school with low parental education§        
   < 22 1.00 1.00 1.00 1.00 1.00 1.00 1.00
   ≥ 22 < 33 1.11 (0.96-1.28) 0.87 (0.76-1.00) 1.16 (0.85-1.59) 1.25 (0.83-1.88) 0.90 (0.75-1.08) 1.04 (0.89-1.21) 1.26 (1.08-1.47)
   ≥ 33 1.21 (1.05-1.41) 0.88 (0.77-1.02) 1.57 (1.15-2.14) 1.53 (1.02-2.29) 0.99 (0.88-1.19) 1.11 (0.96-1.30) 1.35 (1.15-1.58)
  1. *Among ever smokers (n = 11,323).
  2. † Smokes at school and/or in the vicinity of school during schooldays; among regular smokers (n = 4764).
  3. ‡ Fully adjusted model.
  4. § Parental education level comprehensive school or comprehensive school and vocational school.
  5. Note. Multilevel analysis, all variables entered simultaneously. OR, odds ratio; COR, cumulative odds ratio; CI, confidence interval.