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Table 3 Binary logistic regression of factors associated with bacterial contamination of vegetables sold in local markets of Arba Minch Town from January to March 2018

From: Bacterial contamination of vegetables sold in Arba Minch Town, Southern Ethiopia

Variables Category Number examined Rate of bacteria contam N (%) COR (95% CI) p-value AOR (95% CI) p-value
Vegetable type Tomato 100 29 (29.0) 1.632 (0.845, 3.151) 0.144 2.244 (1.112, 4.529) 0.024
Lettuce 23 10 (43.5) 0.933 (0.361, 2.416) 0.887 0.981 (0.369, 2.605) 0.969
Cabbage 96 69 (71.9) 0.261 (0.134, 0.508) 0.000 0.265 (0.133, 0.529) 0.000
Carrot 62 35 (56.5) 0.514 (0.254, 1.042) 0.065 0.542 (0.262, 1.121) 0.098
Green pepper 66 26 (39.4) 1    
Washed before display Yes 49 27 (55.1) 1    
No 298 142 (47.7) 1.348 (0.735, 2.474) 0.335   
Market Sikela 230 109 (47.4) 0.555 (0.265, 1.163) 0.119 0.436 (0.192, 0.991) 0.047
Yetnebersh 24 12 (50.0) 0.500 (0.173, 1.441) 0.199 0.574 (0.174, 1.898) 0.363
Shecha 57 36 (63.2) 0.292 (0.121, 0.701 0.006 0.143 (0.052, 0.394) 0.000
Konso sefer 36 12 (33.3) 1    
Means of display On the floor 338 166 (49.1) 0.518 (0.127, 2.106) 0.358   
On table/shelf 9 3 (33.3) 1    
Handled by vendor who has No formal edu 36 15 (41.7) 1.050 (0.353, 3.120) 0.930   
Primary school 290 145 (50.0) 0.750 (0.307, 1.834) 0.528   
Secondary/above 21 9 (42.9) 1    
Source of vegetables Farmers 260 120 (46.2) 1    
Large scale vendors 87 49 (56.3) 0.665 (0.408, 1.084) 0.102 0.383 (0.196, 1.745) 0.105
  1. AOR, adjusted odd ratio; CI, confidence interval; COR, crude odd ratio