Table 4. Variables according to physical activity levels of students.

	Inactive		Moderate active		Active
	n	%	n	%	n	%	p
Sex
Male	22,4	150	38,7	259	38,9	260	<0.0001*
Female	51,6	425	36,2	299	12,2	101
School status							0.001*
Public	40,5	486	36,9	443	22,6	271
Private	30,3	89	39,1	115	30,6	90
Level of income							<0.0001*
Low	43,6	68	31,4	49	25,0	39
Mid	39,6	441	37,9	421	22,5	250
High	25,3	44	39,6	69	35,1	61
Paternal educational status							0.003*
Primary school	42,3	361	35,9	307	21,8	186
High school and more	33,9	209	38,7	239	27,4	169
Maternal educational status							0.001*
Primary school	41,4	398	36,8	353	21,8	209
High school and more	32,7	163	38,4	192	28,9	144
Having breakfast status							0.006*
Never, sometimes	42,6	250	37,0	217	20,4	120
Usually, everyday	35,7	322	37,6	340	26,7	241
Have you been taught benefits of physical activity?							0.021*
Yes	33,6	157	38,3	179	28,1	131
No	40,6	327	37,0	280	22,4	169
Have you ever exercised to loose or control your weight?							<0.0001*
Yes	23,4	142	41,3	250	35,3	214
No	48,7	430	34,9	308	16,4	145
Night’s sleep status							0.032*
Less than 8 hours	35,6	298	39,5	331	24,9	209
More than 8 hours	42,1	274	34,8	226	23,1	150
Body mass index							0.448*
Underweight	47,8	32	37,3	25	14,9	10
Normal	36,8	388	38,3	404	24,9	263
Overweight	37,8	62	36,6	60	25,6	42
Obese	39,4	13	30,3	10	30,3	10
* Pearson’s chi-square test was performed; p<0.05 was considered statistically significant.