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Table 3 Results of the association of sex, socio-economic status, bednet density at household level and distance to nearest health facility with child mortality, resulting from the bivariate and multivariate non-spatial models and spatial model

From: Spatial effects of mosquito bednets on child mortality

Indicator Bivariate model Multivariate model Spatial model
  IRRa 95% CIb IRRa 95% CIb IRRa 95% CIb
Sex       
Female 1.0   1.0   1.0  
Male 0.90 (0.75,1.07) 0.89 (0.75,1.06) 0.88 (0.73,1.06)
Socio-economic status       
Most poor 1.0   1.0   1.0  
Very poor 0.83 (0.64,1.09) 0.84 (0.65,1.11) 0.87 (0.63,1.21)
Poor 0.82 (0.63,1.08) 0.84 (0.64,1.10) 0.82 (0.64,1.05)
Less poor 0.69 (0.52,0.91) 0.70 (0.53,0.93) 0.68 (0.51,0.94)
Least poor 0.87 (0.67,1.14) 0.90 (0.69,1.18) 0.90 (0.68,1.20)
Bednet density at household level       
0 1.0   1.0   1.0  
0 – 0.2 0.96 (0.71,1.32) 0.99 (0.73,1.36) 1.03 (0.83,1.29)
0.2 – 0.3 0.99 (0.73,1.33) 1.02 (0.76,1.39) 1.04 (0.81,1.39)
0.3 – 0.5 0.77 (0.57,1.06) 0.81 (0.59,1.11) 0.84 (0.56,1.13)
> 0.5 0.78 (0.52,1.17) 0.81 (0.54,1.23) 0.76 (0.54,1.24)
Distance to nearest health facility 0.80 (0.16,3.96) 0.60 (0.10,3.68) 0.23 (0.03,3.71)
Spatial parameters       
σ 2      0.75 (0.35,1.16)
Range (3/ρ)c      0.43 (0.39,0.48)
  1. a: IRR:Incidence-rate ratios.
  2. b: Credible intervals.
  3. c: Spatial correlation is significant (> 5%) within this distance.