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

BMC Public Health

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

	GIRLS			BOYS
	Low academic achievement^an (%)	High academic achievement^an (%)	AOR ^b(95% CI)	Low academic achievement^an (%)	High academic achievement^an (%)	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)*

^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.
^bAdjusted for BMI and maternal and paternal education.
*p < 0.05.

ISSN: 1471-2458