Table 2 Final Characteristics of study sample, by treatment group

Sex (%)

Females

52.1 (47.7,56.5)

49.6 (45.2,54.0)

0.43

Males

47.9 (43.5, 52.3)

50.4 (46.0,54.8)

Age (y) (%)

< 10

0.5 (0.0,1.3)

0.6 (0.0,1.2)

0.82

10

52.1 (47.7, 56.5)

53.0 (48.6,57.4)

11

41.1 (36.8,45.4)

39.0 (34.7,43.3)

12

4.6 (2.8,6.4)

4.8 (2.9,6.7)

≥ 13

1.6 (0.5,2.7)

2.6 (1.2,4.0)

Socioeconomic Index (SEI) (%)

Low

34.7 (30.6,38.9)

34.4 (30.2,38.6)

0.12

Medium

33.9 (29.8,38.1)

39.4 (35.1,43.7)

High

31.3 (27.3,35.4)

26.2 (22.3,30.1)

Overweight

Females

21.8 (16.8,26.9)

22.8 (17.5,28.0)

0.32

Males

16.3 (11.6,21.0)

20.3 (15.3,25.3)

Obesity (%)

Females

8.8(5.4,12.3)

9.8 (6.1,13.5)

0.98

Males

16.3 (11.6,21.0)

16.3 (11.7,20.9)

Body Mass Index (BMI) (X)

Females

45.3 (31.8,58.9)

43.5 (29.3,57.5)

0.85

Males

54.3 (38.8,69.8)

60.8 (45.4,76.2)

0.56

Dietary intake (X)

Energy (Kcal)

1829.0 (1761.3,1896.6)

1818.7 (1743.4,1894.0)

0.84

Carbohydrates (g)

337.0 (323.4,350.6)

341.0 (325.7,356.2)

0.71

Lipids (g)

37.9 (36.3,39.6)

35.9 (34.3,37.5)

0.08

Physical Activity (%)

Non active

13.8 (10.8,16.8)

16.3 (13.0,19.5)

0.53

Moderately active

13.4 (10.4,16.4)

13.5 (10.5,16.5)

Active

72.9 (69.0,76.8)

70.3 (66.3,74.3)

Knowledge (X)

Eating

8.2 (8.1,8.4)

7.7 (7.6,7.8)

0.000

Physical Activity

7.8 (7.7,7.9)

7.6 (7.5,7.7)

0.028

Eating (%)

passed > 6

91.0 (88.5,93.5)

86.1 (83.1,89.2)

0.016

failed < 6

9.0 (6.5,11.5)

13.9 (10.8,16.9)

Physical Activity

passed > 6

92.2 (89.8,94.5)

91.8 (89.3,94.2)

0.81

failed < 6

7.8 (5.5,10.2)

8.2 (5.8,10.7)

Self-efficacy (X)

Eting

9.0 (8.9,9.1)

8.9 (8.8,9.0)

0.044

Physical Activity

7.1 (7.0,7.3)

6.9 (6.7,7.0)

0.014

Eating

High

98.2 (97.0,99.4)

96.0 (94.3,97.7)

0.038

Medium

1.8 (0.6,3.0)

4.0 (2.3,5.7)

Low

-

-

Physical Activity

High

53.1 (48.7,57.9)

44.8 (40.4,49.2)

0.028

Medium

43.7 (39.3,48.0)

52.0 (47.6,56.4)

Low

3.2 (1.7,4.8)

3.2 (1.7,4.8)