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Table 5 Final model showing relative risk of diarrhoeal disease associated with intervention and key possible confounders

From: Impact on diarrhoeal illness of a community educational intervention to improve drinking water quality in rural communities in Puerto Rico

Predictor variable

 

RR

Lower 95% CI

Upper 95%CI

P

Intervention system

N

1

   
 

Y

0.318

0.137

0.739

0.008

Number of occupied houses attached to system

 

1.006

1.001

1.010

0.014

Reported problems with sewage system

N

    
 

Y

2.973

1.539

5.744

0.001

Owns dogs

N

    
 

Y

0.597

0.145

0.962

0.034