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Table 4 Adjusted odds ratio (OR) and 95% CI for high academic achievement in relation to smoking and snuffing in girls and boys

From: Association of lifestyle habits and academic achievement in Norwegian adolescents: a cross-sectional study

  GIRLS BOYS
  Low academic achievementan (%) High academic achievementan (%) AOR b(95% CI) Low academic achievementan (%) High academic achievementan (%) AOR b(95% CI)
Smoking 122 (37) 74 (10) 0.18 (0.12-0.25)* 91 (23) 54 (9) 0.37 (0.25-0.54)*
Snuffing 86 (26) 60 (8) 0.25 (0.17-0.37)* 103 (26) 91 (15) 0.51 (0.36-0.72)*
  1. aA mean school grade between 0 and 3 was characterized as low, whereas a mean school grade between 4 and 6 was characterized as high.
  2. bAdjusted for BMI and maternal and paternal education.
  3. *p < 0.05.