Cough

Table 1 Prevalence (%) of all cough within baseline categories of demographic characteristics and mental health status in subjects without identifiable respiratory disease (n = 3355).

From: Associations of physical and mental health problems with chronic cough in a representative population cohort

		Cough +/- sputum
All subjects (n = 3960)		20.5
No respiratory disease (n = 3355)		18.2
Sex	Male	18.5
	Female	16.0
Smoking status	Current	29.6
	Former	15.6
	Never	11.8
Age (years)	< 40	20.0
	40-54	12.2
	55 and over	18.7
GHQ 28
Mental health condition	Yes	26.9
	No	14.2
Somatic symptoms	Yes	27.6
	No	14.0
Anxiety and insomnia	Yes	23.6
	No	15.4
Social dysfunction	Yes	28.3
	No	15.2
Severe depression	Yes	34.4
	No	15.7

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