Research Article

Occurrence and Antimicrobial Susceptibility Profile of Salmonella Isolates from Animal Origin Food Items in Selected Areas of Arsi Zone, Southeastern Ethiopia, 2018/19

Table 3

A Chi-square analysis of association of the putative risk factors associated with Salmonella spp. prevalence in the animal origin food items in the selected study settings.

Variables categoryNumber testedN (%)χ2 (p value)

Sample type9.563 (0.096)
 Kitfo324 (12.5)
 Kurt323 (9.4)
 Dulet327 (21.9)
 Egg sandwich321 (3.1)
 Raw milk322 (6.3)
 Cream cake321 (3.1)

Catering establishments10.469 (0.016)
 Hotel144 (28.6)
 Restaurant8210 (12.2)
 Cafeteria873 (3.45)
 Retail shop91 (11.1)

Protective clothing8.288 (0.004)
 Used9815 (15.3)
 Not used943 (3.2)

Source of contamination6.539 (0.032)
 Unclean cutting board#224 (18.2)
 Dirty knife#123 (25)
 Handling with unclean equipment and hands15811 (6.9)

Manner of hand washing13.834 (0.000)
 Rinsing with water only4110 (24.4)
 Using detergents and water1518 (5.3)

Money handling8.019 (0.020)
 Butcher with bare hand144 (28.6)
 Cashier112 (18.2)
 Service woman/man16712 (7.2)

Cutting table (board) available6.320 (0.053)
 Single for minced meat8512 (14.1)
 Separate for minced meat112 (18.2)
 Not available964 (4.2)

Origin of the sample7.261 (0.117)
 Dera364 (11.1)
 Iteya310
 Asella627 (11.3)
 Bekoji372 (5.4)
 Gobessa265 (19.2)

#, for minced meat; N, number of isolates; , statistically significant; , statistically highly significant.