Table 3

Sociodemographic characteristics and clinical features of COVID-19 related deaths during the two waves in Nigeria

VariableWave 1 (n=1221)Wave 2 (n=611)P value
Sociodemographic characteristics
Mean (SD) age, years56.93 (16.27)60.72 (17.42)<0.0001*
(n=1149)(n=580)
Age group, years<0.001†
 0–42 (0.16)5 (0.82)
 5–139 (0.74)4 (0.65)
 14–2017 (1.39)11 (1.80)
 21–3056 (4.59)13 (2.13)
 31–40106 (8.68)42 (6.87)
 41–50167 (13.68)59 (9.66)
 51–60276 (22.60)127 (20.79)
 61–70298 (24.41)142 (23.24)
 71–80161 (13.19)123 (20.13)
 >8057 (4.67)52 (0.51)
 Missing72 (5.90)33 (5.40)
Sex<0.001†
 Female301 (24.65)204 (33.39)
 Male911 (74.61)407 (66.61)
 Missing9 (0.74)0 (0.00)
Residential setting0.036†
 Rural78 (6.39)28 (4.58)
 Urban556 (45.54)314 (51.39)
 Missing587 (48.08)269 (44.03)
Education completed<0.001†
 None20 (1.64)7 (1.15)
 Nursery
 Primary22 (1.80)2 (0.33)
 Secondary142 (11.63)44 (7.20)
 Tertiary299 (24.49)194 (31.75)
 Alternative (eg, Almajiranci)41 (3.36)8 (1.31)
 Missing697 (57.08)356 (58.27)
Current occupation0.002†
 Pupil/student12 (0.98)1 (0.16)
 Housewife/child23 (1.88)6 (0.98)
 Trader/business103 (8.44)30 (4.91)
 Farmer/miner52 (4.26)18 (2.95)
 Healthcare worker50 (4.10)15 (2.45)
 Animal-related work3 (0.49)1 (0.16)
 Transporter6 (0.49)0 (0.00)
 Religious leader7 (0.57)1 (0.16)
 Traditional leader3 (0.25)1 (0.16)
 Other451 (36.94)237 (38.79)
 Missing511 (41.85)301 (49.26)
Admission to treatment centre<0.001†
 No504 (41.28)194 (31.75)
 Yes352 (28.83)115 (18.82)
 Missing365 (29.89)302 (49.43)
Symptomatic status0.028†
 Asymptomatic482 (39.48)274 (44.84)
 Symptomatic739 (60.52)337 (55.16)
  • *P value for t-test.

  • †P value for χ2 test.