Table 1 Demographic characteristics and particular residence of origin of the examined subjects

n

319

10

85

41

43

42

Age

17.9 ± 0.6

18.3 ± 0.7

17.8 ± 0.7

17.9 ± 0.7

17.9 ± 0.6

17.8 ± 0.5

Gender(F/M)

175/144

6/4

49/36

17/24

22/21

18/24

BMI (kg/m²)

20.93 ± 3.1

21.2 ± 3.1

21.2 ± 2.7

20.8 ± 3.4

20.2 ± 3.2

21.9 ± 2.5

Waist (cm)

72.9 ± 8.2

73.3 ± 10.3

73.2 ± 8.4

73.4 ± 8.3

71.0 ± 9.0

75.2 ± 7.2

Province

Zhejiang-16

Liaoning-3

Tianjin-7

Shaanxi-10

Yunnan-14

Hunan-17

Shanghai-2

Jilin-4

Shandong-14

Shanxi-10

Sichuan-17

Guangxi-16

Jiangxi-18

Heilongjiang-3

Hubei-10

Qinghai-5

Guizhou-12

Guangdong-9

Jiangsu-248

Henan-31

Ningxia-1

Fujian-13

Hebei-23

Gansu-15

Anhui-22