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Risk adjustment for hospital use using social security data: cross sectional small area analysis

Carr-Hill, R.A., Jamison, J.Q., O'Reilly, D., Stevenson, M.R., Reid, J. and Merriman, B. (2002) Risk adjustment for hospital use using social security data: cross sectional small area analysis. British medical journal. pp. 390-392. ISSN 0959-535X

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Abstract

OBJECTIVES: To identify demographic and socioeconomic determinants of need for acute hospital treatment at small area level. To establish whether there is a relation between poverty and use of inpatient services. To devise a risk adjustment formula for distributing public funds for hospital services using, as far as possible, variables that can be updated between censuses. DESIGN: Cross sectional analysis. Spatial interactive modelling was used to quantify the proximity of the population to health service facilities. Two stage weighted least squares regression was used to model use against supply of hospital and community services and a wide range of potential needs drivers including health, socioeconomic census variables, uptake of income support and family credit, and religious denomination. SETTING: Northern Ireland. MAIN OUTCOME MEASURE: Intensity of use of inpatient services. RESULTS: After endogeneity of supply and use was taken into account, a statistical model was produced that predicted use based on five variables: income support, family credit, elderly people living alone, all ages standardised mortality ratio, and low birth weight. The main effect of the formula produced is to move resources from urban to rural areas. CONCLUSIONS: This work has produced a population risk adjustment formula for acute hospital treatment in which four of the five variables can be updated annually rather than relying on census derived data. Inclusion of the social security data makes a substantial difference to the model and to the results produced by the formula.

Item Type: Article
Copyright, Publisher and Additional Information: © 2002 BMJ Publishing Group Ltd
Keywords: ALLOCATING RESOURCES, HEALTH AUTHORITIES, INPATIENT SERVICES, CARE, COMPETITION, REFORMS
Academic Units: The University of York > Centre for Health Economics (York)
Depositing User: Repository Officer
Date Deposited: 27 Sep 2004
Last Modified: 17 Oct 2013 14:33
Published Version: http://dx.doi.org/10.1136/bmj.324.7334.390
Status: Published
Refereed: Yes
Related URLs:
URI: http://eprints.whiterose.ac.uk/id/eprint/132

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