Table 1

Demographic characteristics of participants

ID	Age band	Gender	Ethnicity White British=WB	Education No Formal (NF)	Living situation	ONS Score*	Asthma or COPD	Smoking status	Post-code IMD decile*
P1	65–74	F	WB	GCSE/O level	Spouse	9	Asthma	Ex-smoker	2
P2	65–74	F	WB	NF	Alone	Housewife	COPD	Smoker	5
P3	55–64	M	WB	GCSE/O level	Alone/ carer in day	2 retired	Asthma	Smoker	2
P4	45–54	M	WB	NF	Alone	Unemployed longterm (l-t) incapacity	COPD	Smoker	2
P5	65–74	F	WB	NF	Alone	5 retired	Asthma	Non-smoker	2
P6	55–64	F	WB	NF	Spouse	9 unemployed l-t	Asthma	Ex-smoker	1
P7	65–75	F	WB	NF	Alone	7 retired	COPD	Ex-smoker
P8	55–64	F	WB	NF	Alone	5 unemployed- l-t	COPD	Smoker	2
P9	55–64	M	WB	NF	Alone	8 unemployed- l-t	Asthma	Smoker	1
P10	45–54	F	WB	NF	Alone with carer in day	5 unemployed- l-t	Asthma	Ex-smoker	3
P11	45–54	M	WB	NF	Lives with parents and sibling	unemployed- l-t incapacity	Asthma	Non-smoker	1
P12	55–64	M	WB	NF	Alone	unemployed- l-t incapacity	Asthma	Non-smoker	2
P13	65–74	F	WB	NF	Spouse	8 retired	Both	Ex-smoker	1
P14	55–64	F	South African	GCSE†/O level	With parents	4 employed f-t	Asthma	Non-smoker	4
P15	55–64	F	WB	NF	Spouse	unemployed- l-t incapacity	Asthma	Ex-smoker	1
P16	55–64	M	WB	NF	Alone	9 unemployed- l-t incapacity	COPD	Smoker

*https://onsdigital.github.io/dp-classification-tools/standard-occupational-classification/ONS_SOC_occupation_coding_tool.html.
†General Certificate of School Education
COPD, chronic obstructive pulmonary disease; IMD, index of multiple deprivation.