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Table 2 Association between different measures of access and vaccination of children before and after adjusting for socio-economic status and age of the child (1 = not vaccinated, 0 = vaccinated)

From: Physical accessibility and utilization of health services in Yemen

Measures of access Crude odds ratio (95%CI) p-value Adjusted odds ratio (95%CI) p-value
Area of residence     
Urban 1(Reference) 0.04   
Semi-urban 2.75(0.77-9.8)    
Rural 3.50(1.18-10.43)    
Socio-economic status     
Least poor 1(Reference) <0.001   
Middle poor 2.22(1.47-3.56)    
Most poor 3.80(2.63-5.50)    
Straight-line distance (km)     
   Zero- 1(Reference) <0.001 1(Reference) 0.001
   1 km- 1.96(1.34-2.87)   2.02(1.36-3.00)  
   2.5 km- 1.40(0.95-2.08)   1.49(0.99-2.23)  
   4.5 km- 2.20(1.49-3.24)   1.92(1.29-2.86)  
Driving distance (km)     
   Zero- 1(Reference) <0.001 1(Reference) 0.005
   2 km- 1.48(0.95-2.29)   1.41(0.90-2.22)  
   7 km- 2.49(1.58-3.91)   2.24(1.40-3.57)  
   12 km- 1.69(1.08-2.64)   1.56(0.98-2.47)  
Driving time (minutes)     
   Zero- 1(Reference) <0.001 1(Reference) 0.003
   10 minutes- 1.86(1.23-2.82)   1.52(0.99-2.34)  
   17 minutes- 2.55(1.72-3.80)   2.14(1.42-3.23)  
   29 minutes- 1.96(1.30-2.94)   1.75(1.15-2.65)