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Table 4 Logistic regression models of faecal and total coliform bacteria presence in the assessed water sources of Eastern zone Tigrai, Ethiopia, 2019

From: Bacteriological quality and associated risk factors of drinking water in Eastern zone, Tigrai, Ethiopia, 2019

Variables

COR(95%CI)

p-value

AOR(95%CI)

p-value

Animal excreta around hand- pump

Yes 57(21.6%)

9.60(54.020–532.475

0.001

7.78(6.506–79.810)

0.001*

No 207(78.4%)

  

1

 

Ponding on the concrete floor around the hand- pump

Yes 28(10.6%)

1.17(0.491–2.803)

0.719

  

No 236((89.4%)

  

1

 

Inadequate fencing allowing animal access to hand- pump

Yes 90(34.1%)

8.20(43.268–507.605)

0.007

6.41(8.419–124.372)

0.003*

No174(65.9)

  

1

 

Cracks permit water to enter the hand- pump

Yes 3(1.1%)

5.90(0.527–66.229)

0.150

  

No 261(98.9%)

  

1

 

Concrete floor < 1 m around the hand- pump

Yes 8(3%)

2.37(2.700–185.483)

0.004

1.23(0.095–16.125)

0.872

No 256(97%)

  

1

 

Cover of hand- pump unsanitary

Yes 24(9.1%)

0.38(0.111–1.333)

0.132

  

No 240(90.9%)

  

1

 
  1. Note: *- statistically significant; COR crude odds ratio; AOR adjusted odds ratio; 95%CI 95% confidence intervals; 1- referent