Table 3 Multivariable regression of the predictors of preterm and post term births delivered in Tigray, Northern Ethiopia, April-July 2014
Model 1: | Model 2: | Model 3: | ||||
|---|---|---|---|---|---|---|
Immediate | Factors | Proximal | Factors | Distal | Factors | |
Predictors | RRR& CI preterm | RRR & CI post term | RRR& CI preterm | RRR& CI post term | RRR & CI preterm | RRR & CI post term |
Body mass index | ||||||
Normal (ref) | ref | ref | ref | ref | ||
Underweight | 0.59,0.29–1.2 | 1.7,0.59–4.82 | 0.47,0.2–0.99 | 2.18,0.6–7.2 | ||
Overweight | 0.57,0.1–1.69 | 3.34,1.1–11.2 | 0.5,0.15–1.63 | 3.88,1.01–15.05 | ||
Weight for age | ||||||
Normal | ref | ref | ref | ref | ||
SGA | 1.03,0.51–2.0 | 1.66,0.71–3.9 | 1.02,0.48–2.1 | 1.56,0.6–3.9 | ||
LGA | 2.48,1.37–4.4 | 1.47,0.77–2.8 | 1.87,0.95–3.6 | 1.57,0.8–3.0 | ||
Multi Birth (“sin”ref) | 2.74,1.44–5.2 | 0.65,0.2–2.31 | 2.86,1.4–5.65 | 0.75,0.2–2.7 | ||
Female (“male” ref) | 1.09,0.67–1.7 | 1.2,0.76–2.09 | 1.1,0.65–1.84 | 1.3,0.77–2.2 | ||
Complication (“yes”ref) | 0.5,0.34–0.9 | 1.34,0.7–2.1 | 0.69,0.4–1.17 | 1.33,0.66–2.7 | 0.85,0.47–1.5 | 1.34,0.6–2.8 |
Length of neonate | ||||||
< 46 cm | ref | ref | ref | ref | ||
46–56 cm | 0.15,0.09–0.2 | 2.57,0.76–8.6 | 0.12,0.07–0.2 | 2.3,0.69–3.0 | ||
> 56 cm | 0.05,0.01–0.4 | 3.68,0.8–15.8 | 0.05,0.01–0.4 | 2.6,0.47–14.3 | ||
Monthly Income | ||||||
Poor | ref | ref | ||||
Medium | 0.26,0.12–0.5 | 1.2,0.55–2.6 | ||||
Rich | 0.6,0.34–1.06 | 2.17,1.1–4.3 | ||||
Marital status | ||||||
Married | ref | ref | ||||
Others | 1.62, 0.6–4.2 | 2.4,1.02–5.8 | ||||