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Table 6 Association between overweight/ obesity and eating habits; physical/leisure activities and parent’s body mass index

From: Overweight and obesity and their associated factors among early adolescence school children in urban and rural Portugal

% of overweight and obese children in each category

Body mass index

P

OR

95% CI

Low/Normal

High/Obese

LL

UL

Gender

Male

(34/49)

69.4%

(15/49)

30.6%

0.773

Reference

Female

(46/64)

71.9%

(18/64)

28.1%

0.89

0.39

2.01

Age (years)

10/11

(58/76)

76.3%

(18/76)

23.7%

0.064

Reference

12

(22/37)

59.5%

(15/37)

40.5%

2.20

0.95

5.10

Setting

Urban

(28/42)

66.7%

(14/42)

33.3%

0.458

Reference

Rural

(52/71)

73.2%

(19/71)

26.8%

0.73

0.32

1.68

Has breakfast everyday

No

(5/6)

83.3%

(1/6)

16.7%

0.669

Reference

Yes

(75/107)

70.1%

(32/107)

29.9%

2.13

0.24

19.00

Chocolate milk or coffee, cakes/cookies

No

(47/64)

73.4%

(17/64)

26.6%

0.437

Reference

Yes

(32/48)

66.7%

(16/48)

33.3%

1.38

0.61

3.13

Soup every day

No

(22/31)

71.0%

(9/31)

29.0%

0.980

Reference

Yes

(58/82)

70.7%

(24/82)

29.3%

1.01

0.41

2.51

Vegetables and/or salads > =Once a day

No

(45/60)

75.0%

(15/60)

25.0%

0.296

Reference

Yes

(35/53)

66.0%

(18/53)

34.0%

1.54

0.68

3.49

Fish and/or meat everyday

No

(29/39)

74.4%

(10/39)

25.6%

0.545

Reference

Yes

(51/74)

68.9%

(23/74)

31.1%

1.31

0.55

3.13

1 or more pieces of fruit a day

No

(17/21)

81.0%

(4/21)

19.0%

0.257

Reference

Yes

(63/92)

68.5%

(29/92)

31.5%

1.96

0.60

6.33

Number of candies, pizzas, hamburgers or chocolate eaten a week

> = 4

(26/33)

78.8%

(7/33)

21.2%

0.230

Reference

<4

(54/80)

67.5%

(26/80)

32.5%

1.79

0.69

4.66

Never drinks high calorie drinks

No

(59/80)

73.8%

(21/80)

26.3%

0.282

Reference

Yes

(21/33)

63.6%

(12/33)

36.4%

1.62

0.68

3.82

Number of meals a day

>3

(73/101)

72.c3%

(28/101)

27.7%

0.328

Reference

3

(7/12)

58.3%

(5/12)

41.7%

1.86

0.55

6.36

Walks/High energy activities

No

(60/82)

73.2%

(22/82)

26.8%

0.434

Reference

Yes

(19/29)

65.5%

(10/29)

34.5%

1.44

0.58

3.56

≥30 minute walk a day

No

(52/72)

72.2%

(20/72)

27.8%

0.740

Reference

Yes

(27/39)

69.2%

(12/39)

30.8%

1.16

0.49

2.71

≥2 hours of television or video games a day

Yes

(60/85)

70.6%

(25/85)

29.4%

0.806

Reference

No

(19/26)

73.1%

(7/26)

26.9%

0.88

0.33

2.37

At least one obese parent

No

(59/73)

80.8%

(14/73)

19.2%

0.006

Reference

Yes

(12/23)

52.2%

(11/23)

47.8%

3.86

1.42

10.55

Obese father

No

(68/88)

77.3%

(20/88)

22.7%

0.020

Reference

Yes

(4/10)

40.0%

(6/10)

60.0%

5.10

1.31

19.87

Obese mother

No

(64/90)

71.1%

(26/90)

28.9%

0.525

Reference

Yes

(8/13)

61.5%

(5/13)

38.5%

1.54

0.46

5.14