Table 3 Associations between numbers of GP consultations in 2011 among patients diagnosed with COPD or asthma in Norwegian general practice, and patient and GP characteristics

From: GP utilisation by education level among adults with COPD or asthma: a cross-sectional register-based study

 

COPD a 40–59 years

Asthma 40–59 years

COPD a 60 years

Asthma 60 years

 

IRR

95% CI

IRR

95% CI

IRR

95% CI

IRR

95% CI

Education level

 High (reference)

1

 

1

 

1

 

1

 

 Intermediate

1.08**

1.02–1.14

1.13***

1.11–1.15

1.00

0.97–1.04

1.04**

1.01–1.07

 Low

1.12***

1.06–1.18

1.25***

1.22–1.28

1.02

0.99–1.05

1.04**

1.01–1.07

Male patient

0.83***

0.81–0.86

0.77***

0.76–0.79

0.96***

0.95–0.98

0.91***

0.90–0.93

Patient age (years)

0.99***

0.99–0.99

1.00

1.00–1.00

1.01***

1.00–1.01

1.01***

1.01–1.01

Comorbid conditions

 Cardiovascular diseases

1.30***

1.23–1.38

1.37***

1.31–1.42

1.24***

1.22–1.27

1.29***

1.26–1.32

 Hypertension

1.12***

1.08–1.16

1.26***

1.23–1.29

1.06***

1.04–1.08

1.12***

1.10–1.14

 Diabetes

1.37***

1.30–1.45

1.48***

1.43–1.52

1.28***

1.25–1.31

1.34***

1.30–1.37

 Depression or anxiety

1.54***

1.49–1.60

1.59***

1.56–1.63

1.30***

1.27–1.33

1.36***

1.33–1.40

GP characteristics

 GP male

1.09***

1.04–1.14

1.06***

1.03–1.08

1.04**

1.02–1.06

1.03*

1.00–1.06

 GP age

0.996**

0.994–0.999

0.997***

0.995–0.998

0.996***

0.995–0.997

0.997***

0.995–0.998

 GP approved specialist in FM

0.99

0.94–1.04

1.00

0.97–1.03

0.99

0.96–1.03

0.99

0.96–1.02

 GP list size (per 100)

1.00

0.99–1.01

1.00

1.00–1.01

1.00

1.00–1.01

1.004*

1.00–1.01

N

13,286

 

47,012

 

50,651

 

39,096

 
  1. Poisson regression models by diagnosis and age group.
  2. Abbreviations: COPD, chronic obstructive pulmonary disease; CI, confidence interval; FM, familiy medicine; GP, general practitioner; IRR, incident risk ratio.
  3. a Patients with both COPD and asthma diagnoses are included in the COPD group.
  4. *P<0.05, **P<0.01, ***P<0.001.