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

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*