Table 1

Distribution of postneonatal, infant, child and under-5 mortality, reported in three demographic and health surveys in Nigeria, 2003–2013 (N=6285)

VariablesPostneonatal, n (%)Infant, n (%)Child, n (%)Under-5, n (%)
Community-level factors
Residence type
 Urban444 (23.9)1042 (25.3)379 (17.4)1421 (22.6)
 Rural1416 (76.1)3071 (74.7)1793 (82.6)4864 (77.4)
Geopolitical zone
 North Central250 (13.5)521 (12.7)211 (9.7)732 (11.6)
 North East377 (20.3)806 (19.6)486 (22.4)1291 (20.5)
 North West721 (38.8)1530 (37.2)1052 (48.5)2583 (41.1)
 South East193 (10.4)405 (9.9)135 (6.2)540 (8.6)
 South West174 (9.4)438 (10.6)169 (7.8)607 (9.7)
 South South143 (7.7)413 (10.0)119 (5.5)533 (8.5)
Household wealth index
 Poor845 (45.4)1784 (43.4)1088 (50.1)2872 (45.7)
 Middle760 (40.9)1658 (40.3)867 (39.9)2525 (40.2)
 Rich254 (13.7)671 (16.3)218 (10.0)889 (14.1)
Individual-related factors
Mother’s religion*
 Traditionalist and other190 (10.3)366 (9.0)252 (11.6)618 (9.9)
 Islam1030 (55.7)2226 (54.4)1410 (65.0)3636 (58.1)
 Catholic and other Christian618 (33.4)1472 (36.0)495 (22.8)1966 (31.4)
Mother’s age at birth
 <20125 (6.7)322 (7.8)91 (4.2)413 (6.6)
 20–29886 (47.7)1929 (46.9)1023 (47.1)2952 (47.0)
 30–39641 (34.5)1394 (33.9)780 (35.9)2174 (34.6)
 40–49206 (11.1)468 (11.4)278 (12.8)746 (11.9)
Mother’s education
 No education1078 (58.0)2213 (53.8)1435 (66.1)3648 (58.0)
 Primary382 (20.5)917 (22.3)432 (19.9)1350 (21.5)
 Secondary or higher399 (21.5)983 (23.9)305 (14.0)1287 (20.5)
Mother’s literacy level*
 Cannot read at all1312 (70.6)2755 (67.0)1691 (77.9)4446 (70.7)
 Able to read542 (29.1)1330 (32.3)465 (21.4)1795 (28.6)
Mother’s desire for pregnancy*
 Wanted then1611 (86.6)3541 (86.1)1909 (87.9)5450 (86.7)
 Wanted later112 (6.1)234 (5.7)107 (4.9)341 (5.4)
 Wanted no more53 (2.9)124 (3.02)48 (2.2)172 (2.7)
Mother’s body mass index*
 Greater than 18.51621 (87.2)3634 (88.3)1892 (87.1)5526 (87.9)
 Less than or equal to 18.5201 (10.8)408 (9.9)241 (11.1)650 (10.3)
Mother’s working status*
 Not working632 (35.2)1402 (35.4)784 (37.2)2186 (36.0)
 Working1158 (64.5)2548 (64.3)1320 (62.6)3867 (63.7)
Father’s education*
 No education865 (46.5)1762 (42.8)1151 (53.0)2913 (46.4)
 Primary388 (20.9)867 (21.1)450 (20.7)1316 (20.9)
 Secondary or higher552 (29.7)1360 (33.1)509 (23.5)1869 (29.7)
Sex of child
 Female887 (47.7)1838 (44.7)1057 (48.7)2895 (46.1)
 Male973 (52.3)2275 (55.3)1115 (51.3)3390 (53.9)
Mother’s perceived baby size*
 Small or very small301 (16.2)795 (19.3)352 (16.2)1148 (18.3)
 Average or larger1446 (77.8)3006 (73.1)1702 (78.4)4708 (74.9)
Birth order and birth interval
 First child347 (18.7)947 (23.0)370 (17.0)1317 (21)
 2 or 3 child, interval >2337 (18.1)699 (17.0)398 (18.3)1098 (17.5)
 2 or 3 child, interval ≤2229 (12.3)497 (12.1)218 (10.0)715 (11.4)
 4 or more child, interval >2542 (29.1)1114 (27.1)700 (32.2)1814 (28.9)
 4 or more child, interval ≤2404 (21.7)856 (20.8)486 (22.4)1341 (21.3)
Mode of delivery*
 Non-caesarean1831 (98.5)3978 (96.7)2149 (98.9)6127 (97.5)
 Caesarean section17 (0.9)103 (2.5)13 (0.6)115 (1.8)
Delivery assistance*
 Health professional493 (26.5)1307 (31.8)411 (18.9)1718 (27.3)
 Non-Health professional1049 (56.4)2104 (51.2)1424 (65.6)3528 (56.1)
Birth place of child*
 Health facility271 (25.3)1239 (30.1)386 (17.8)1625 (25.9)
 Home1307 (70.3)2673 (65.0)1693 (78.0)4367 (69.5)
  • N, weighted total.

  • *Percentages did not add up to 100% because of missing values; n (%), frequency (and proportion dead) across variables.