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Table 1 Baseline characteristics in percentages of cases and controls

From: Association between skin diseases and severe bacterial infections in children: case-control study

Age group

   
 

Cases (N = 101)

GP Controls1 (N = 597)

Hospital Controls2 (N = 583)

0 – 3 months

8.9

7.7

9.3

3 – 6 months

6.9

6.9

5.8

6 – 24 months

27.7

30.2

28.3

24 – 72 months

27.7

26.8

26.8

6 – 17 years

28.7

28.5

29.8

Gender

   

Boys

63.4

63.7

64.3

Girls

36.6

36.3

35.7

Urbanization

   

< 30,000

36.6

38.0

36.4

30,000 – 50,000

18.8

15.9

17.5

> 50,000

37.6

39.2

36.9

Big cities3

6.9

6.9

9.3

Region

   

Northern

19.8

20.1

18.0

Central

61.4

60.8

62.4

Southern

18.8

19.1

19.6

SES 4

   

Non-manual high

34.1

37.4

38.8

Non-manual middle

31.8

31.3

35.6

Non-manual low & farmers

15.9

13.5

5.0

Manual high/middle

2.3

7.5

9.6

Manual low

15.9

10.3

11.0

Ethnicity

   

Natives & Western immigrants

85.7

89.8

87.2

Non – Western immigrants

14.3

10.2

12.8

  1. 1 = control group randomly sampled from the general practitioners' (GP) patient lists irrespective of hospital admission and GP consultation
  2. 2 = control group randomly sampled from those children who were hospitalized for other reasons than sepsis or bacteraemia
  3. 3 = Amsterdam, Rotterdam, The Hague
  4. 4 = according to fathers occupation