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This study aimed to explore the relationship (presence and severity) between chronic breathlessness and sleep problems, independently of diagnoses and health service contact by surveying a large, representative sample of the general population.

Analysis of the 2017 South Australian Health Omnibus Survey, an annual, cross-sectional, face-to-face, multistage, clustered area systematic sampling survey carried out in Spring 2017.

Chronic breathlessness was self-reported using the ordinal modified Medical Research Council (mMRC; scores 0 (none) to 4 (housebound)) where breathlessness has been present for more than 3 of the previous 6 months. ‘Sleep problems—ever’ and ‘sleep problem—current’ were assessed dichotomously. Regression models were adjusted for age; sex and body mass index (BMI).

2900 responses were available (mean age 48.2 years (SD=18.6); 51% were …