Table 1 Characteristics of family members, specified by generation and gender

Number of individuals

  Total

6369

6369

4132

2237

  18 ~ 25 years

0

0

2533

1717

  26 ~ 35 years

3

8

1474

469

  36 ~ 45 years

953

1498

119

48

  46 ~ 55 years

3578

3757

6

3

  56 ~ 65 years

1835

1106

0

0

Age (mean ± SD)

52.0 ± 6.2

49.8 ± 5.8

0.001

24.8 ± 5.0

23.0 ± 4.7

0.001

Body mass index (mean ± SD)

23.4 ± 3.3

24.2 ± 3.6

0.001

22.4 ± 3.5

21.6 ± 3.2

0.001

Systolic blood pressure (mean ± SD)

126.8 ± 19.4

126.2 ± 21.4

0.141

115.7 ± 12.1

108.1 ± 11.6

0.001

Diastolic blood pressure (mean ± SD)

81.6 ± 11.7

79.8 ± 11.8

0.001

75.1 ± 9.4

70.5 ± 8.7

0.001

Highly educated (High school and above) (%)

22.2

13.6

0.001

38.0

50.4

0.001

Employed (%)

78.9

53.0

0.001

89.8

80.3

0.001

Body weight classification (%)

0.001

0.001

  Normal weight

69.8

62.6

79.4

87.8

  Overweight

27.0

30.8

17.5

10.1

  Obesity

3.2

6.6

3.1

2.1

Blood pressure classification (%)

0.001

0.001

Normotension

28.7

35.0

51.2

75.7

  Prehypertension

41.4

36.8

41.1

21.3

  Stage 1 hypertension

19.1

17.5

6.5

2.6

  Stage 2 hypertension

10.8

10.7

1.2

0.3