Table 1 Characteristics of healthcare centers

Private healthcare center^a

0.41

(0.49)

0.40

(0.49)

No. of visits at center

5501

(2708)

5578

(2481)

6354

(2596)

6263

(2362)

4260

(2380)

4553

(2308)

<0.001

<0.001

No. of listed patients

8215

(3908)

8239

(3725)

9363

(3883)

9173

(3704)

6546

(3316)

7070

(3408)

<0.001

<0.001

No. of antibiotic prescriptions per 100 visits

9.55

(3.46)

6.54

(1.67)

8.25

(1.78)

6.12

(1.32)

11.44

(4.34)

7.17

(1.94)

<0.001

0.001

No. of respiratory tract infection related antibiotics prescriptions per 100 visits

5.76

(2.76)

3.17

(1.11)

4.68

(1.30)

2.88

(0.82)

7.34

(3.48)

3.61

(1.33)

<0.001

<0.001

No. of antibiotic prescriptions per 100 listed patients

6.39

(2.37)

4.41

(1.22)

5.72

(1.47)

4.31

(1.16)

7.39

(3.01)

4.57

(1.28)

<0.001

0.048

No. of respiratory tract infection related antibiotics prescriptions per 100 listed patients

3.85

(1.86)

2.13

(0.73)

3.23

(0.97)

2.02

(0.64)

4.75

(2.42)

2.29

(0.83)

<0.001

0.018

Share infection visits as percentage of total visits

0.24

(0.05)

0.19

(0.05)

0.22

(0.04)

0.18

(0.04)

0.26

(0.06)

0.20

(0.05)

<0.001

0.001

Care need index (CNI)^b

2.35

(0.72)

2.30

(0.77)

2.37

(0.65)

2.30

(0.68)

2.33

(0.81)

2.29

(0.89)

0.923

0.503

Adjusted clinical groups^c

1.01

(0.14)

1.01

(0.13)

1.02

(0.13)

1.03

(0.01)

0.98

(0.17)

0.98

(0.14)

0.063

0.184

Share younger patients (<19 years) as percentage

13.1

(3.89)

13.4

(3.79)

14.1

(2.80)

14.2

(2.87)

11.7

(4.74)

12.0

(4.55)

<0.001

<0.001