Correlations between Excessive Body Mass Index, Body Perception, Physical Activity, and Respiratory Functions among Youths in an Urban Setting of Vietnam

Table 2

Anthropometric index and body perception.

Characteristics	BMI classification
	Normal	Underweight	Overweight/obesity
	Mean (SD)	Mean (SD)	Mean (SD)
Anthropometric index
Height (cm)	161.7 (8.3)	161.7 (8.3)	166.6 (8.5)	<0.01
Weight (kg)	45.6 (5.1)	45.6 (5.1)	68.0 (8.2)	<0.01
Waist (cm)	64.4 (4.3)	64.4 (4.3)	77.9 (12.4)	<0.01
BMI (kg/m^2)	17.4 (0.9)	17.4 (0.9)	24.4 (1.6)	<0.01
Pignet	45.6 (5.3)	45.6 (5.3)	17.0 (10.8)	<0.01
Waist height ratio (%)	39.9 (2.6)	39.9 (2.6)	46.8 (7.4)	<0.01
Body perception (compared to BMI classification)	(%)	(%)	(%)
Same	143 (64.4)	57 (67.9)	27 (44.3)	<0.01
Different	79 (35.6)	27 (32.1)	34 (55.7)