Table 3 Multivariate analysis using hierarchical regression on predictors of low birth weight and macrosomia on neonates born in Tigray Region, Northern Ethiopia, April–July, 2014 (n = 1152)
From: Low birth weight and macrosomia in Tigray, Northern Ethiopia: who are the mothers at risk?
Predictors | Model 1: | Model 2: | Model 3: | |||
|---|---|---|---|---|---|---|
Proximal | Factors | Intermediate | Factors | Distal | Factors | |
RRR, 95% CI LBW | RRR, CI 95% macrosomia | RRR, 95% CI LBW | RRR, 95% CI macrosomia | RRR, 95% CI LBW | RRR, 95% CI macrosomia | |
Body mass index | ||||||
Normal | ref | ref | ref | ref | ||
Underweight | 1.0(0.5–1.99) | 1.93(0.68–5.5) | 1.01(0.50–2.03) | 1.9(0.67–5.48) | ||
Overweight | 1.73(0.67–4.5) | 5.2(1.6–16.5) | 1.9(0.73–5.05) | 5(1.56–16) | ||
Gestational age | ||||||
Term | ref | ref | ref | ref | ||
Preterm | 15.5(9.32–25.7) | 0.2(0.03–2.0) | 15.4(9.18–25.9) | 0.26(0.35–2.0) | ||
Post term | 0.21(0.02–1.59) | 2.26(1.08–4.7) | 0.2(0.027–1.52) | 2.23(1.06–4.6) | ||
Antenatal(Yes ref) | 6.9(2.49–19.5) | 0.8(0.11–7.26) | 6.78(2.39–19.2) | 0.9(0.11–7.76) | ||
Female sex(male ref) | 1.7(1.1–2.68) | 0.58(0.35–0.9) | 1.77(1.13–2.77) | 0.58(0.35–0.9) | ||
Complication(yes ref) | 0.52(0.34–0.8) | 0.48(0.29–0.81) | 0.74(0.44–1.23) | 0.47(0.27–0.8) | 0.74(0.44–1.24) | 0.46(0.27–0.8) |
Parity | ||||||
Priampre | ref | ref | ref | ref | ||
Two | 0.83(0.51–1.36) | 1.19(0.71–2.0) | 0.83(0.5–1.38) | 1.21(0.72–2.0) | ||
Multiparity (≥3) | 1.65(0.86–3.18) | 1.39(0.61–3.1) | 1.27(0.62–2.61) | 1.67(0.7–3.9) | ||
Age at marriage | ||||||
≥18 (“<18” ref) | 0.59(0.35–0.97) | 0.71(0.4–1.23) | ||||
Residence(“Rural” ref) | 0.53(0.32–0.9) | 1.08(0.6–1.96) | ||||
Education | ||||||
Unable to read & write | ref | ref | ||||
Primary | 0.53(0.27–1.01) | 1.31(0.2–2.7) | ||||
Secondary | 0.99(0.5–1.98) | 1.39(0.6–3.2) | ||||
Tertiary | 1.2(0.52–2.7) | 1.85(0.74–4.6) | ||||