Variable Total examined No (%) COR (95% CI) P-value AOR (95% CI) P-value
Sex          
  Male 137 (59.6) 0.44-1.36 (0.78) 0.320 0.25-1.67(0.43) 0.89
  Female 93(40.4) 1   1  
Age (Years)          
    18 – 30 128(55.7) 1      
    31 – 40 51(22.2) 0.70-2.92(1.43) 0.320 0.58-34(0.97) 0.68
    41 – 50 31(13.5) 0.56-3.12(1.33) 0.520 0.48-2.97(0.76) 0.62
    >=51 20(8.7) 0.26-1.72(0.66) 0.400 0.31-3.45(0.45) 0.54
Educational status          
   Literate 128(55.7) 1   1  
   Illitrate 102(44.3) 0.8-2.42(1.395) 0.240 0.67-2.32(0.34) 0.47
Residence          
   Urban 97(42.2) 0.51-1.55(0.888)   0.667 0.47-2.53(0.91) 0.72
   Rural 133(57.8) 1   1  
Previous drug exposure          
   New 165(71.7) 1      
   Re-treated cases 65(28.3) 2.47-8.37(4.547) 0.000 2.76-15.07 (6.4)   0.000
Bacterial load          
   Scanty 25(10.9) 1      
   1+ 89(38.7) 1.67-10.94(4.27) 0.002 2.10-18.87(6.3) 0.010
   2+ 76(33) 0.67-4.12(1.66) 0.270 0.66-5.25(1.86) 0.240
   3+ 40(17.4) 0.59-4.45(1.63) 0.340 0.64-6.51(2.04) 0.230
Overall 230        
Table 3: Drug susceptibility patterns of smear positive cases (n=230) with different variables in Eastern Amhara region, Ethiopia from September 2010 to June 2011.