Table 3.

Food habits, physical activity and sedentary lifestyles in cases and control children

Characteristics	All	Obese	Normal-weight	p -value a
	(%)	(%)	(%)
Food habits
Parents informationb (n)	383	194	189
Having healthy dietary habitsc	58.6	51.8	65.6	0.007
Not having breakfast at home	23.5	26.5	20.3	0.15
Not bringing lunch to school	25.9	28.4	23.3	0.24
Bringing money to buy food at school	12.1	14.1	10.2	0.24
Children informationd (n)	402	202	200
Having healthy dietary habitsc	54.5	50.0	58.0	0.15
Not having breakfast at home	18.7	17.3	20.0	0.49
Not bringing lunch to school	18.4	22.3	14.5	0.04
Bringing money to buy food at school	34.3	36.1	32.5	0.44
Physical activity
At school (h/week)e
<1	67.7	72.8	62.5	0.02
≥1	32.3	27.2	37.5
Outside of school (METs) (tertiles)f
1 (0)	49.2	49.0	49.5
2 (0.17-2.52)	17.4	17.8	17.0
3 (2.53-14.28)	33.3	33.2	33.5	0.97
Sedentary
Televisions at home (number)
1-2	46.0	40.6	51.5
3-4	54.0	59.4	48.5	0.02
Hours in front of the screen
≤2	44.8	41.1	48.5
>2	55.2	58.9	51.5	0.13
Transportation (home/school)
Other	37.6	34.2	41.0
Car	62.4	65.8	59.0	0.15
Sleep hours
<9 h	39.3	44.5	33.4
≥9 h	60.7	55.5	66.6	0.03

^aPearson’s X ² test.

^bInformation given by parents covering the week prior to the interview.

^cHealthy dietary habits defined as follows: eating breakfast at home, bringing lunch to school, and not bringing money to purchase food.

^dInformation given by children only about the day prior to the interview.

^eIndependent of the time dedicated to recreation for the children.

^fMET, metabolic equivalent.