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Table 5 Segmentation of study cohort for selected chronic diseases – asthma, COPD and diabetes

From: The North West Adelaide Health Study: detailed methods and baseline segmentation of a cohort for selected chronic diseases

 

n

%

(95% CI)

Not at risk of chronic disease

234

5.8

(5.1 – 6.6)

At risk of chronic disease

2871

71.5

(70.1 – 72.9)

Undiagnosed chronic disease

156

3.9

(3.3 – 4.5)

Diagnosed chronic disease

755

18.8

(17.6 – 20.0)

Total

4015*

100.0

 
  1. *45 cases excluded due to missing responses in questionnaire or insufficient FEV1 or FVC results
  2. # See Introduction, paragraph 2
  3. NB: Chronic diseases – asthma, COPD, diabetes. Details of categories are to be found in "Classification of continuum". Where overlap occurred between categories, participant included in more serious category, ie person with undiagnosed asthma and self-reported diabetes considered to be in "Diagnosed chronic disease" category.