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Table 2 Linear Regression analysis for effect of hygienic practices of farms on bacteriological count of the milk

From: Bacteriological milk quality: possible hygienic factors and the role of Staphylococcus aureus in raw bovine milk in and around Gondar, Ethiopia

Hygienic practices   Freq. (No = 60) Percentage p-value 95.0% CI
      Lower Upper
House cleaning interval Twice a week 7 11.70 0.253 −1.153 0.309
> twice a week 53 88.30  
Udder cleaning Yes 45 75.00 0.050 −1.059 0.002
No 15 25.00
Cleaning agent for udder Water 60 100.00 0.050 −1.059 0.002
Water and soap 0 0.00
Towel for drying udder Yes 17 28.30 0.308 −0.791 0.254
No 43 71.70
Hand washing Yes 41 68.30 0.039 −1.010 −0.026
No 19 31.70
Cleaning agent for hand wash Water 35 58.30 0.202 −3.009 0.649
Water and soap 25 41.70
Cleaning agent for milking utensils and collecting tanks (Buckets) Water 1 1.70 0.001 −0.963 −0.250
Water and soap 59 98.30
  1. a N total number of samples, % percentage
  2. b CI confidence interval