Skip to main content

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)
  1. *ref reference, RRR Relative Risk Ratio, CI Confidence Interval, LBW Low Birth Weight