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Table 4 Logistic Regression predicting the association between stillbirth and characteristics of mothers and newborn

From: Prevalence and determinants of stillbirth in Nigerian referral hospitals: a multicentre study

VariableModel 1
Unadjusted Odds Ratio (OR) (95% CI)
Model 2
Adjusted Odds Ratio (AOR) (95% CI)
Age
  ≤ 19 (RC)1.001.00
 20–240.56 (0.26–1.21)1.19 (0.25–5.51)
 25–290.47 (0.22–0.99)*0.62 (0.12–3.17)
 30–340.62 (0.29–1.29)0.80 (0.15–4.27)
 35–490.95 (0.45–2.01)0.62 (0.10–3.65)
Booked for antenatal
 No (RC)1.001.00
 Yes0.35 (0.25–0.48)***0.61 (0.29–1.26)
Referral
 Not referred (RC)1.001.00
 Referred3.64 (2.48–5.34)***3.74 (1.65–8.49)**
Parity
 0 (RC)1.001.00
 11.04 (0.64–1.68)1.46 (0.60–3.52)
 2–41.56 (1.04–2.33)*3.07 (1.26–7.45)*
 5+3.38 (2.08–5.50)***4.45 (1.20–16.50*
No of past stillbirths
 0 (RC)1.001.00
 1+8.09 (5.44–12.0)***3.79 (1.60–9.00)**
Complications in past pregnancy
 Yes (RC)1.001.00
 No0.44 (0.27–0.73)**1.02 (0.35–2.97)
Birth weight
  < 1.50 kg (RC)1.001.00
 1.50–2.49 kg0.22 (0.11–0.44)***0.47 (0.14–1.59)
 2.50–3.99 kg0.04 (0.02–0.07)***0.18 (0.05–0.65)**
  ≥ 4.00 kg0.12 (0.05–0.29)***0.24 (0.04–1.31)
Gestation age at delivery
 < 37 weeks (RC)1.001.00
 ≥ 37 weeks0.25 (0.17–0.36)***0.33 (0.16–0.67)**
Delivery mode
 Normal vaginal (RC)1.001.00
 Caesarean section1.48 (0.93–2.34)0.44 (0.16–1.17)
 Others4.44 (2.14–9.18)***4.58 (1.41–14.8)*
Facility
 AKTH (RC)1.001.00
 KGH0.34 (0.10–1.13)0.80 (0.215–4.13)
 GHM1.93 (1.12–3.32)*3.43 (0.71–16.4)
 ABTH1.09 (0.53–2.22)0.54 (0.13–2.28)
 AMH1.12 (0.68–1.84)1.47 (0.50–4.31)
 CHB1.26 (0.78–2.02)1.00 (0.30–3.30)
 SHI1.63 (0.77–3.42)1.79 (0.48–6.55)
 CHW0.51 (0.24–1.06)0.30 s (0.02–3.31)
  1. Note: ***p < 0.001; **p < 0.01; *p < 0.05; OR Odds Ratio, CI Confidence Interval