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Table 1 Basic characteristics of the women under study

From: Metabolic syndrome and its components in Polish women of childbearing age: a nationwide study

Parameter

All n = 1588

Age (years)

P value

20–29 n = 403

30–39 n = 600

40–49 n = 585

Marital status:

 Married (%)

68.3

35.7

79.8

79.0

<0.0001

Education:

 Primary (%)

19.8

3.7

22.7

27.9

<0.0001

 Secondary (%)

38.7

43.9

32.2

41.8

 Higher (%)

41.5

52.4

45.1

30.3

Occupational activity (%)

 Yes

64.0

52.1

65.9

70.1

<0.0001

 No

36.0

47.9

34.1

29.9

Net household income p.p. (%)a

  ≤ 500 PLN

16.5

15.9

17.9

15.4

ns

 501–1000 PLN

33.5

31.4

33.0

35.3

 1001–2000 PLN

36.9

37.8

36.2

37.0

 2001–3000 PLN

10.1

12.0

9.2

9.9

  > 3000 PLN

3.0

2.9

3.7

2.4

Smokers (%)b

19.3

17.9

17.4

22.2

ns

Self-assessment of health status (%)

 Very good + good

85.7

92.5

91.0

75.6

<0.0001

 Average

13.4

7.5

8.7

22.3

 Bad + very bad

0.9

0.0

0.3

2.1

Oral contraception (%)

12.7

13.9

16.0

8.0

0.0003

Number of born children

 x ± SD

1.51 ± 1.21

0.46 ± 0.73

1.63 ± 1.02

2.07 ± 1.20

 

Median

2.00

0

2.00

2.00

0.0001

Number of born children

 0 (%)

24.01

65.62

13.32

7.36

0.0001

 1 (%)

24.85

24.15

28.84

21.19

 2 (%)

35.86

8.66

45.19

44.31

 3 (%)

10.16

1.31

8.94

17.34

 4 and more

5.11

0.26

3.71

9.81

Diseases of the thyroid gland (%)

12.9

9.0

11.5

17.1

0.0005

  1. aincluded only those who answered the question, i.e. 136 subjects
  2. bat least one cigarette per day currently