Table 2.

Anthropometric characteristics in different age groups

Parameter	All	Age (years)			P value	P for trend
		20–29	30–39	40–49
BMI (kg/m2)	n = 1518
x ± SD	24.9 ± 5.2	22.9 ± 4.1	24.7 ± 4.9	26.5 ± 5.6	<0.0001	<0.0001
Median	23.8	22.0	23.6	25.3
BMI (%)
<18.5 kg/m2	4.3	8.4	4.7	1.1	<0.0001	<0.0001
18.5–24.9 kg/m2	55.5	66.0	58.0	45.7		<0.0001
25–29.9 kg/m2	25.2	17.5	24.1	31.5		<0.0001
≥30 kg/m2	15.0	8.1	13.2	21.7		<0.0001
Waist (cm)	N = 1564
x ± SD	82.2 ± 12.1	77.3 ± 11.2	82.4 ± 12.1	85.3 ± 11.6	<0.0001	<0.0001
Median	80.0	75.3	80.0	83.0
Waist (%)a
<80 cm	46.9	65.0	46.6	34.8
≥ 80 cm	53.1	35.0	53.4	65.2	<0.0001	<0.0001
Waist (%)b
<88 cm	70.4	82.7	70.2	62.3
≥ 88 cm	29.6	17.3	29.8	37.7	<0.0001	<0.0001

^aaccording to the IDF criteria, ^baccording to the ATP III criteria