Table 3 Details of the personnel studied

Human subjects [n]

1

11

10

13

34

Age [years]

45

45 ± 11

41 ± 13

32 ± 14

38 ± 13

Sex [M: F]

1:0

9:2

3:7

7:6

19:15

Time from recruitment [years]

18

12 ± 11

5 ± 4

11 ± 9

10 ± 9

Any disease [n]

0

1

1

2

4

Antimicrobial treatments in the last 2 months [n]

0

0

2

3

5

Antimicrobial treatment rate in the last 2 months [treatment/person-months]

0

0

0.10

0.11

0.07

Time spent at the barn daily [h

4

8 ± 2

12 ± 6

8 ± 4

9 ± 4

Time spent at the barn manipulating horses [h]

1

5 ± 2

7 ± 4

5 ± 3

6 ± 3

Hand washing daily frequency [n]

20

7 ± 6

12 ± 9

5 ± 5

7 ± 7