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Table 3 Bivariate and multivariable logistic regression among factors of cases and controls attending public hospitals of Central zone, Tigray Region, North Ethiopia 2018

From: Risk factors of birth asphyxia among newborns in public hospitals of Central Zone, Tigray, Ethiopia 2018

Variables Category Cases Controls COR (95% CI) AOR (95% CI)
n = 88 (%) n = 176 (%)
Residence Urban 42 (47.7) 105 (59.7) 0.455 (0.270, 0.766) 1.209 (0.558, 2.024)
Rural 46 (53.3) 71 (40.3) 1 1
Educational status Unable to write and read 30 (34.1) 28 (15.9) 2.571 (0.918–7.20) 6 (1.512–23.805)*
Primary school 20 (22.7) 48 (27.3) 2.496 (1.003–6.207) 2.54 (0.807–7.999)
Secondary school 24 (27.3) 67 (38.1) 0.982 (0.435–2.217) 0.908 (0.318–2.593)
Diploma and above 14 (15.9) 33 (18.8) 1 1
Parity Primiparous 43 (48.9) 64 (36.4) 1.672 (0.995–2.809) 3.103 (1.510–6.377)*
Multiparous 45 (51.1) 112 (63.6) 1 1
Type of pregnancy Single 79 (89.8) 170 (96.6) 1 1
Twin and above 9 (10.2) 6 (3.4) 3.228 (1.111–9.381) 1.534 (0.335–7.036)
Maternal hypertension Yes 5 (5.7) 3 (1.7) 3.474 (0.811–14.88) 2.952 (0.476–18.313)
No 83 (94.3) 173 (98.3) 1 1
Antepartum hemorrhage Yes 8 (9.1) 3 (1.7) 5.767 (1.49–22.314) 12.032 (2.294–63.11)*
No 80 (90.9) 173 (98.3) 1 1
Preeclampsia Yes 11 (12.5) 6 (3.4) 4.048 (1.44–11.343) 1.386 (0.304–6.314)
No 77 (87.5) 170 (90.6) 1 1
Place of delivery Hospital 74 (84.1) 163 (92.6) 0.422 (0.189–0.941) 0.322 (0.108–0.903)
Other than study hospitals 14 (15.9) 13 (7.4) 1 1
History of abortion Yes 10 (11.4) 34 (19.3) 2.369 (1.124–4.992) 0.7133 (0.254–2.003)
No 78 (88.6) 142 (80.7) 1 1
Oligohydramnios Yes 6 (6.8) 3 (1.7) 4.220 (1.030–17.29) 2.571 (0.498–13.285)
No 82 (93.2) 173 (98.3) 1 1
Weight of newborn (kg) < 2.5 43 (48.9) 19 (10.5) 7.896 (4.191–14.87) 6.9 (3.011–15.812)*
≥ 2.5 45 (51.1) 157 (89.2) 1 1
GA (weeks) < 37 49 (55.7) 40 (22.7) 4.272 (2.468–7.395) 2.205 (1.022–4.758)*
≥ 37 39 (44.3) 136 (77.3) 1 1
Muonium stained Yes 21 (23.9) 9 (5.1) 5.816 (2.534–13.35) 7.88 (2.917–21.289)*
No 67 (76.1) 167 (94.9) 1 1
  1. The symbol (*) indicated that these factors had significant association with birth asphyxia