Table 5 Results of multivariable logistical regression model

Gender

 Male

1.00

 Female

1.41

1.37

1.45

 < 0.0001

Age

 ≤ 9

1.00

 10–12

0.73

0.68

0.79

 < 0.0001

 13–15

0.63

0.56

0.70

 < 0.0001

 ≥ 16

0.66

0.57

0.76

 < 0.0001

Educational stage

 Primary school

1.00

 Junior high school

0.54

0.48

0.61

 < 0.0001

 Senior high school

0.59

0.48

0.73

 < 0.0001

School type

 Public school

1.00

 Private school

1.07

0.90

1.26

0.4523

Area

 Urban

1.00

 Suburb

1.43

1.21

1.70

 < 0.0001

 Remote town

3.33

2.71

4.09

 < 0.0001

BMI

 Normal

1.00

 Underweight

1.19

1.13

1.26

 < 0.0001

 Overweight

0.75

0.72

0.79

 < 0.0001

 Obesity

0.67

0.62

0.72

 < 0.0001