Variable

Underweight (n = 53)

N (%)

Normal

(n = 912)

N (%)

Overweight

(n = 172)

N (%)

Obese

(n = 61)

N (%)

χ²

P value

Involvement in household chores

None

1 (1.9)

28 (53.8)

15 (28.8)

8 (15.5)

26.54

<0.001

1 - 2

19 (8.4)

152 (67.3)

41 (18.1)

14 (6.2)

df = 3

3+

33 (3.6)

732 (79.6)

116 (12.6)

39 (4.2)

Means of

commuting

to school

Underweight

n = 55 (%)

Normal

n = 739 (%)

Overweight

n = 113 (%)

Obese

45 (%)

Trekking

35 (9.9)

277 (78.2)

33 ( 9.3)

8 (2.3)

32.07

<0.001

Motorbike

10 (5.2)

152 (79.6)

20 (10.4)

9 (4.7)

df = 6

Car/Bus

10 (2.5)

310 (76.2)

60 (14.7)

28 (6.8)