Table 1.

Sample featuring based on obesity in students in the age group 12–17, from Belo Horizonte City, Minas Gerais State, Brazil, 2013 -2014

Variable	Total	Obese	Non-obese	Non-adjusted OR *	CI 95%		P-value
	%	%	%
Sex (n = 2.530)
Male	50.32	50.08	50.34	Ref
Female	49.68	49.92	49.66	1.04	0.95	1.15	0.352
Age group (n = 2.530)
< 15 years	51.21	63.82	50.23	Ref
>  = 15 years	48.79	36.18	49.77	0.67	0.6	0.76	< 0.001*
Self-referred skin color (n = 2.473)
White	33.8	24.51	34.49	Ref
Black or brown	62.53	71.19	61.89	2.21	1.95	2.5	< 0.001*
Asian	2.31	3.18	2.25	1.21	0.78	1.87	0.389
Indigenous	1.36	1.12	1.37	1.22	0.71	2.09	0.454
Socioeconomic score (n = 2.473)
High	29.52	37.44	28.94	Ref
Medium	69.2	61.24	69.79	0.73	0.65	0.81	< 0.001*
Low	1.27	1.32	1.28	0.75	0.49	1.15	0.193*
Lives with parents (n = 2.530)
Both parents	56.65	61.04	56.31	Ref
Only with the mother or the father	38.81	33.02	39.26	0.78	0.7	0.87	< 0.001*
No	4.54	5.94	4.43	2.01	1.67	2.42	< 0.001*
How often the legal guardian has supper with the adolescent (n = 2,530)
Never or almost never	13.23	17.41	12.9	Ref
Sometimes	24.14	26.77	23.93	0.78	0.67	0.9	< 0.01*
Almost every day	21.04	17.47	21.31	0.48	0.41	0.57	< 0.001*
Every day	41.59	38.35	41.86	0.54	0.47	0.62	< 0.001*
Breakfast-having frequency (n = 2,530)
Does not have it	17.48	20.1	17.28	Ref
Sometimes	27.31	33.76	26.81	0.89	0.78	1.02	0.124*
Almost every day	12.59	11.17	12.7	0.56	0.46	0.67	< 0.001*
Every day	42.62	34.97	43.21	0.48	0.42	0.55	< 0.001*
Exercising (n = 2,530)
Inactive (0 min/week)	30.84	34.71	30.54	Ref
Insufficiently active (1 – 299 min/week)	27.18	27.79	27.13	0.85	0.75	0.96	0.01*
Active (≥ 300 min/week)	41.98	37.50	42.33	0.86	0.77	0.97	0.014*

Weighed sample rate. * p < 0.20