Table 1 Socio-demographic factors of mothers by mode of delivery

Age (Years) [a]

   < 20

77 (1.7)

41 (1.6)

32 (2.0)

4 (0.9)

   20 - 35

4011 (87.1)

2275 (88.1)

1379 (87.1)

357 (81.0)

   > 35

519 (11.3)

266 (10.3)

173 (10.9)

80 (18.1)

Marital status

   Married

4519 (97.9)

2530 (97.9)

1555 (97.8)

434 (98.4)

   Not married

96 (2.1)

54 (2.1)

35 (2.2)

7 (1.6)

Parity

   Primiparous

2316 (50.2)

1290 (49.9)

861 (54.2)

165 (37.4)

   Multiparous

2299 (49.8)

1294 (50.1)

729 (45.8)

276 (62.6)

Ethnicity

   Yoruba

3478 (75.4)

2055 (79.5)

1107 (69.6)

316 (71.7)

   Hausa

128 (2.8)

77 (3.0)

43 (2.7)

8 (1.8)

   Ibo & Others

1009 (21.9)

452 (17.5)

440 (27.7)

117 (26.5)

Religion

   Muslim

1888 (40.9)

1173 (45.4)

555 (34.9)

160 (36.3)

   Christianity

2727 (59.1)

1411 (54.6)

1035 (65.1)

281 (63.7)

Education

   Primary or none

420 (9.1)

244 (9.5)

147 (9.3)

29 (6.5)

   Secondary

2419 (52.4)

1344 (52.0)

872 (54.8)

203 (46.0)

   Tertiary

1776 (38.5)

996 (38.5)

571 (35.9)

209 (47.4)

Occupation

   None

899 (19.5)

534 (20.7)

309 (19.4)

56 (12.7)

   Small trade/casual job

2309 (50)

1296 (43.3)

803 (50.5)

210 (47.7)

   Full-time job

1407 (30.5)

754 (29.2)

478 (30.1)

175 (39.7)

Social class

   High

808 (17.5)

441 (17.1)

244 (15.3)

123 (27.9)

   Middle

3231 (70.0)

1791 (69.3)

1164 (73.2)

276 (62.6)

   Low

576 (12.5)

352 (13.6)

182 (11.4)

42 (9.5)

Accommodation

   Owned

228 (4.9)

150 (5.8)

63 (4.0)

15 (3.4)

   Rented

4387 (95.1)

2434 (94.2)

1527 (96.0)

426 (96.6)

Housing sanitation facilities

   Not Shared

2391 (51.8)

1321 (51.1)

792 (49.8)

278 (63.0)

   Shared

2224 (48.2)

1263 (48.9)

798 (50.2)

163 (37.0)