Table 1

Percent distribution of women with and without a history of gestational diabetes, by selected variables

Characteristic

Gestational diabetes
p-Value






-
+


Number of women

37516
410

Percent

100
100

Age at first observed birth
< 25
47.2
32.4
< 0.0001

25–29
28.0
29.3


30–34
14.5
23.4


35+
10.3
14.9

Birth place of woman
Born in Israel
46.8
47.8
0.7

Born abroad
53.2
52.2

Birth place of woman's father
Israel
14.6
11.5
0.05

Other West Asia
28.3
27.6


North Africa
21.5
19.5


Europe etc.
35.5
41.5

Social class at last observed birth
Low
30.8
25.6
0.03

Middle
37.2
42.7


High
32.0
31.7

Heart disease at any observed birth
No
99.3
96.8
< 0.0001

Yes
0.7
3.2

Preeclampsia at any observed birth
No
97.2
87.8
< 0.0001

Yes
2.8
12.2

Birth order at last observed birth
1
22.1
11.7
< 0.0001

2–3
44.7
48.5


4+
33.2
39.8

Any offspring with birth weight ≤4000 g
No
88.7
73.7
< 0.0001

Yes
11.3
26.3

Any offspring with birth weight < 2500 g
No
89.0
80.0
< 0.0001

Yes
11.0
20.0

Any offspring with congenital malformations
No
92.5
88.3
0.001

Yes
7.5
11.7


Perrin et al. BMC Medicine 2007 5:25   doi:10.1186/1741-7015-5-25