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Table 2 Odds ratios of child mortality by maternal fertility behavior in Tanzania 2011–2015

From: Bio-demographic factors affecting child loss in Tanzania

Variables Exp β 95 % CI for exp β
Lower Upper
Age group (ref: 15–19)
 20–24 1.6 0.5 5.8
 25–29 3.9 1.2 13.1
 30–34 3.6 1.1 12.21
 35–39 3.3 0.9 11.2
 40–44 3.3 0.9 11.1
 45–49 3.9 1.2 13.2
Age at 1st birth 0.9 0.9 1.0
Preceding birth interval (ref: <24)
 24–36 months 1.4 1.1 1.7
 37–48 months 1.4 1.1 1.9
 49+ months 0.9 0.7 1.3
Succeeding birth interval (ref: <24)
 24–36 months 2.2 1.8 2.6
 37–48 months 2.8 2.2 3.6
 49+ months 2.3 1.8 2.9
Birth parity (ref: ≤3)
 4–8 children 1.3 1.0 1.6
 9+ children 1.1 0.9 1.4
Multiplicity of birth (ref: single birth)
 1st of multiple 0.3 0.2 0.5
 2nd of multiple 0.5 0.3 0.7
 3rd of multiple 1.1 0.2 6.0
Birth order (ref: 1st order)
 2nd–3rd order 1.4 1.2 1.7
 4th order and higher 1.3 1.0 1.5
  1. Source: computed by the authors