Table 1 Percentage distribution and 95% confidence intervals of sample sociodemographic characteristics by place of delivery

20,467

12,818

5100

2620

(100)

62.6 (59.8,65.3)

23.8 (22.0,25.6)

13.6 (11.9,15.5)

Area of residence

6790

36.8 (32.6,41.2)

36.3 (33.5,36.3)

26.9 (23.2,30.8)

13,402

76.9 (74.2,79.4)

16.8 (15.0,18.8)

6.3 (5.2,7.7)

Wealth quintile

4379

93.8 (92.4,95.0)

5.0 (4.1,6.1)

1.2 (0.8,1.9)

4603

81.8 (79.2,84.1)

13.4 (11.7,15.3)

4.8 (3.7,6.2)

4069

62.2 (58.7,65.5)

26.6 (24.0,29.3)

11.3 (9.4,13.4)

3798

42.5 (38.9,46.1)

39.4 (36.5,42.3)

18.2 (15.7,20.9)

3343

18.6 (16.2,21.3)

42.5 (38.7,46.3)

38.9 (34.3,43.7)

Maternal education

9171

88.0 (86.4,89.5)

10.2 (8.9,11.6)

1.8 (1.4,2.3)

4113

57.1 (54.0,60.3)

27.5 (25.2,29.9)

15.4 (13.4,17.6)

5565

33.8 (31.1,36.5)

39.0 (36.4,41.6)

27.2 (24.0,30.7)

1343

8.3 (8.3,10.7)

51.3 (46.7,55.9)

40.4 (35.5,45.5)

Health insurance

363

14.7 (10.4,20.4)

50.6 (43.8,57.4)

34.7 (27.8,42.3)

19,829

63.4 (60.6,66.1)

23.3 (21.6,25.1)

13.3 (11.6,15.1)

Parity

3624

51.7 (48.3,55.0)

31.4 (28.9,34.0)

16.9 (14.6,19.5)

16,568

65.0 (62.2,67.7)

22.1 (20.4,23.9)

12.9 (11.3,14.7)

Geopolitical zones

3095

53.0 (47.4,58.5)

31.3 (27.7,35.2)

15.7 (12.7,19.3)

4001

79.5 (74.9,83.4)

19.2 (15.5,23.5)

1.3 (0.8,2.1)

6206

87.2 (84.1,89.8)

12.3 (9.8,15.2)

0.5 (0.3,1.1)

1724

21.5 (17.0,26.8)

33.7 (28.9,38.9)

44.8 (38.4,51.4)

2500

49.2 (44.1,54.4)

36.6 (32.6,40.7)

14.2 (10.8,18.3)

2666

23.8 (19.3,29.0)

23.8 (31.9,40.6)

40.1 (35.2,45.1)

Age at birth

29.42 (29.2,29.6)

9.1 (8.9,10.5)

Not applicable

Not applicable