Table 3 Multiple regression analysis of the proportion of levofloxacin-resistant Escherichia coli in Japan, 2015–2016

Intercept constant

−23.8

29.8

−0.80

0.43

−14.8

32.9

−0.45

0.66

Fluoroquinolone consumption (DID)

19.3

11.1

1.75

0.09

17.1

12.0

1.43

0.16

Number of physicians per 100,000 individuals

0.2

0.1

1.71

0.10

0.2

0.1

1.14

0.26

Number of nurses per 100,000 individuals

−0.1<

< 0.1

−0.39

0.70

− 0.1<

< 0.1

− 0.37

0.71

Number of hospitals per 100,000 individuals

1.5

4.2

0.36

0.72

2.0

4.8

0.41

0.69

Number of clinics per 100,000 individuals

< 0.1

0.1

0.06

0.96

< 0.1

0.1

0.35

0.73

Dummy variable (fluoroquinolone consumption [DID] × the number of physicians)

−0.1

< 0.1

−1.49

0.14

−0.1

< 0.1

−1.08

0.29