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Table 4 Association between practice characteristics and spirometry testing in single-handed practices

From: General practice variation in spirometry testing among patients receiving first-time prescriptions for medication targeting obstructive lung disease in Denmark: a population-based observational study

 

Model 1

Model 2**

Crude OR

Adjusted OR

  

(95% CI)

(95% CI)

Training practice

   
 

No

1

1

 

Yes

1.40 (1.06–1.87)*

1.40 (1.10–1.79)*

Age of doctor (years)

  
 

≤ 45

1

1

 

45–49

1.11 (0.78–1.58)

1.09 (0.73–1.61)

 

50–54

0.99 (0.78–1.58)

0.96 (0.67–1.38)

 

55–59

0.79 (0.73–1.35)

0.71 (0.49–1.03)

 

60–64

0.69 (0.56–1.10)

0.64 (0.43–0.95)*

 

≥65

0.50 (0.28–0.89)*

0.44 (0.28–0.76)*

Number of patients

  
 

<1347

1

1

 

1347–1575

1.29 (0.97–1.71)

1.26 (0.95–1.67)

 

1576–1756

1.30 (0.99–1.72)

1.21 (0.92–1.59)

 

>1756

1.35 (1.02–1.79)*

1.17 (0.90–1.51)

Gender of doctor

  
 

Male

1

1

 

Female

0.98 (0.84–1.15)

0.93 (0.77–1.12)

  1. *P-value< 0.05 **Adjusted for patient factors and practice characteristics.