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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