Onwujekwe, Obinna; Hanson, Kara; Fox-Rushby, Julia - In: Health Economics 15 (2006) 6, pp. 639-644
Socio-economic status (SES) indices are increasingly being used to characterise (in)equity, with the assumption that SES indices are reliable. However, the accuracy of such SES indices is questionable if they are unreliable. We examined the inter-rater and test-retest reliability of a range of...