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Table 1 Bivariate analyses of the association of E. coli resistance to ampicillin, cotrimoxazole and doxycycline among the index persons.

From: Clustering of antibiotic resistance of E. coli in couples: suggestion for a major role of conjugal transmission

  

Index person with ampicillin resistant E. coli

 

Index person with cotrimoxazole resistant E. coli

 

Index person with doxycycline resistant E. coli

 

total

N

%

p-value

total

N

%

p-value

total

N

%

p-value

Spouse with the same type of resistance

            

   No

168

20

11.9

 

186

15

8.1

 

172

20

11.6

 

   Yes

38

19

50.0

<.0001

20

5

25.0

0.02

34

7

20.6

0.2

Antibiotic use within last three months

            

   No

188

34

18.1

 

188

18

9.6

 

188

26

13.8

 

   Yes

18

5

27.8

0.3

18

2

11.1

0.8

18

1

5.6

0.3

Hospital stay within last 12 months

            

   No

194

37

19.1

 

194

20

10.3

 

194

26

13.4

 

   Yes

12

2

16.7

0.8

12

0

0

0.2

12

1

8.3

0.6

Visit of a hospital or nursing home within last 12 months

            

   No

86

20

23.3

 

86

9

10.5

 

86

11

12.8

 

   Yes

120

19

15.8

0.2

120

11

9.2

0.8

120

16

13.3

0.9

Meat consumption

            

   Sometimes/Never

81

19

23.5

 

81

11

13.6

 

81

12

14.8

 

   Daily

125

20

16.0

0.2

125

9

7.2

0.1

125

15

12.0

0.6