Table 1: Characteristics of primary school children in control and obese groups in Hai Phong city.

Characteristics

Control group (n = 175)

Obese group (n = 169)

P

Boy (%)

65.2

70.2

0.084

Age (year)

8.6 ± 1.8

8.5 ± 1.6

0.337

Height (cm)

126.5 ± 8.7

129.0 ± 8.9

< 0.0001

Weight (kg)

24.2 ± 3.2

39.1 ± 4.1

< 0.0001

BMI (kg/m2)

15.4 ± 1.8

23.8 ± 2.0

< 0.0001