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Table 2 Overall prevalence of Salmonella in raw milk by region and within value chain

From: Prevalence and associated risk factors for Salmonella enterica contamination of cow milk and cottage cheese in Ethiopia

Variable

Observation

Sample size

Salmonella positive (n)

Salmonella positive (%)

χ2 a

P value

Region

Amhara

78

11

14.1

1.9

0.391

Oromia

192

41

21.4

  

SNNPs

96

19

19.8

  

Total

366

71

19.4

  

Value chain

Producer

183

33

18.0

0.4

0.509

Collector

183

38

20.8

  

Total

366

71

19.4

  
  1. aχ2, chi-square