Table 1

Characteristics of the study sample compared to the pregnant population of Baden-Württemberg

Sociodemographic and obstetric characteristics

Study population

(n = 344)

Pregnant population of Baden-Württemberg in 2001

(n = 86 849)


n

%

%


Age (years)

< 18

1

0.3

0.5

18-34

280

81.4

78.8

> 34

63

18.3

20.8

Nationality

German

314

91.3

79.0

Other

30

8.7

21.0

Occupationa

Housewife

70

20.9

45.4b

Trainee/student

15

4.5

2.5b

Unskilled worker

11

3.3

4.4b

Skilled worker/civil servant

207

61.8

35.0b

Executive position

32

9.6

12.7b

Gravidity

First

200

58.1

38.8

> 1

144

41.9

61.2

Parity

0

229

66.6

46.4

≥1

115

33.4

53.6

Risk factors documented in clinical dataa

Yes

151

61.6

63.4

No

94

38.4

36.6

Smoking during pregnancya

Yes

36

11.2

9.5

No

285

88.8

90.5

Mode of deliverya

Vaginal

224

68.9

70.0

Cesarean section

76

23.4

23.5

Forceps or vacuum

25

7.7

6.4


a Members sum < 344 due to missing data

b These data refer to the perinatal statistics of Baden-Württemberg in 2004 (n = 76 803) because data for 2001 were incomplete

Petersen et al. BMC Public Health 2009 9:490   doi:10.1186/1471-2458-9-490

Open Data