Table 5.

Odds ratio for overweight and obesity related to life style

	Girls				Boys
	Overweight		Obesity		Overweight		Obesity
Variables	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
Regularity of breakfast*
Every day	1.0	(Ref.)	1.0	(Ref.)	1.0	(Ref.)	1.0	(Ref.)
4–6 days per week	1.2	(0.9–1.6)	1.3	(0.7–2.3)	1.3	(1.0–1.7)	1.2	(0.7–2.2)
1–3 days per week	1.8	(1.4–2.3)	2.6	(1.6–4.3)	1.6	(1.2–2.2)	1.8	(1.0–3.2)
Less than 1 day per week	1.5	(1.1–1.9)	2.4	(1.4–4.0)	1.6	(1.1–2.1)	1.8	(1.0–3.4)
Consumption of sweets*
Once per day or more	1.0	(Ref.)	1.0	(Ref.)	1.0	(Ref.)	1.0	(Ref.)
Every week, but not every day	1.7	(1.1–2.4)	1.0	(0.5–2.0)	1.5	(1.1–2.0)	1.0	(0.6–1.9)
Less than once per week	3.2	(2.2–4.7)	2.7	(1.3–5.8)	2.3	(1.7–3.2)	2.1	(1.1–4.1)
Consumption of vegetables*
Once per day or more	1.0	(Ref.)	1.0	(Ref.)	1.0	(Ref.)	1.0	(Ref.)
Every week, but not every day	0.9	(0.7–1.0)	0.6	(0.4–1.0)	1.0	(0.8–1.2)	0.8	(0.5–1.2)
Less than once per week	1.0	(0.7–1.3)	0.8	(0.4–1.3)	1.1	(0.8–1.3)	1.4	(0.9–2.3)
Physical activity*
4 days or more per week	1.0	(Ref.)	1.0	(Ref.)	1.0	(Ref.)	1.0	(Ref.)
2–3 days per week	1.2	(0.9–1.5)	2.2	(1.1–4.3)	1.4	(1.1–1.7)	2.1	(1.2–3.7)
1 day or less per week	1.4	(1.1–1.8)	3.1	(1.6–6.0)	2.0	(1.6–2.5)	3.7	(2.1–6.4)
Smoking status*
Non smokers	1.0	(Ref.)	1.0	(Ref.)	1.0	(Ref.)	1.0	(Ref.)
Smokers	1.1	(0.9–1.4)	1.6	(1.1–2.5)	1.2	(1.0–1.5)	1.4	(0.9–2.1)

*Adjusted for age.