Table 5.

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

	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

*45 cases excluded due to missing responses in questionnaire or insufficient FEV1 or FVC results

^# See Introduction, paragraph 2

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.