Table 1 Maternal characteristics associated with stillbirth

Mother’s enrolled, N

7,624

261,990

Maternal age

<20

732 (9.6)

31,729 (12.1)

1.0 (1.0, 1.1)

20-35

6,423 (84.4)

219,821 (84.0)

1.0

>35

454 (6.0)

10,020 (3.0)

1.6 (1.5, 1.8)

Education

No formal education

3,151 (41.5)

64,284 (24.6)

1.9 (1.7, 2.2)

Primary

2,281 (30.0)

99,567 (38.2)

1.3 (1.2, 1.5)

Secondary

1,776 (23.4)

78,329 (30.0)

1.2 (1.1, 1.3)

University+

383 (5.0)

18,619 (7.1)

1.0

Parity

0

2609 (34.3)

87,908 (33.7)

1.3 (1.2, 1.3)

1-2

2623 (34.5)

110,597 (42.3)

1.0

>2

2370 (31.2)

62,783 (24.0)

1.4 (1.3, 1.5)

Prior loss

No

4,277 (85.7)

163,142 (94.2)

1.0

Yes

712 (14.3)

10,064 (5.8)

2.4 (2.2, 2.7)