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Table 1 Rate of ETB contamination with E. coli among studied risk variables of food handlers

From: Contamination of Ethiopian paper currency notes from various food handlers with E. coli

Variables No. of examined Positive no. (%) P value
Location
 HU and surrounding 240 177 (73.8) P > 0.05
 Haramaya town 144 111 (77.1)
Source–food type handled
 Butcher—meat handlers 92 68 (73.9) P > 0.05
 Open market— milk sellers 58 39 (67.2)
 Dairy station—milk sellers 39 34 (87.2)
 Cafeteria—Bread and relate handlers 92 70 (76.1)
 Supermarket—Fruit and vegetables handlers 103 77 (74.8)
Currency notes
 Birr 1 82 68 (82.9) P > 0.05
 Birr 5 81 61 (75.3)
 Birr 10 77 60 (77.9)
 Birr 50 73 53 (72.6)
 Birr 100 71 46 (64.8)
Handlers age in years
 11–20 123 95 (77.2) P > 0.05
 21–30 167 127 (76.1)
 31–40 94 66 (70.2)
Handlers sex
 Female 192 143 (74.5) P > 0.05
 Male 192 145 (75.5)
Total 384 288 (75.0)