Table 1.

Census variables used to create Carstairs score and the new score.

Carstairs score			New measure
Variable	Description		Variable	Description
Male unemployment	Economically active males aged 16–74 seeking or waiting to start work, as a proportion of all economically active males 16–74		Unemployment	Economically active persons aged 16–74 in households seeking or waiting to start work, as a proportion of all economically active people (16–74) in households
Low social class	Persons living in households with the HRP (aged 16–74) in social class IV or V, as a proportion of all people in households with an economically active HRP (16–74)		NS-SeC 6–7	Persons living in households with the HRP (aged 16–74) in NS-SeC 6–7, as a proportion of all people in households with an economically active HRP (16–74)
Overcrowding	Persons living in households at a density of more than one person per room, as a proportion of all people in households		Social renting	Persons in households renting from social landlord, as a proportion of all people in households
No car ownership	Persons living in households with no car, as a proportion of all people in private households
			No qualifications	Persons with no school level educational qualifications aged 16–74, as a proportion of all people (16–74), age and gender standardised