Assessing preventable hospitalisation indicators (APHID): protocol for a data-linkage study using cohort study and administrative data

Jorm, L.R., Leyland, A.H. , Blyth, F.M., Elliott, R.F., Douglas, K.M.A. and Redman, S. (2012) Assessing preventable hospitalisation indicators (APHID): protocol for a data-linkage study using cohort study and administrative data. BMJ Open, 2(6), e002344. (doi:10.1136/bmjopen-2012-002344)

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Abstract

Introduction Potentially preventable hospitalisation (PPH) has been adopted widely by international health systems as an indicator of the accessibility and overall effectiveness of primary care. The Assessing Preventable Hospitalisation InDicators (APHID) study will validate PPH as a measure of health system performance in Australia and Scotland. APHID will be the first large-scale study internationally to explore longitudinal relationships between primary care and PPH using detailed person-level information about health risk factors, health status and health service use.

Methods and analysis APHID will create a new longitudinal data resource by linking together data from a large-scale cohort study (the 45 and Up Study) and prospective administrative data relating to use of general practitioner (GP) services, dispensing of pharmaceuticals, emergency department presentations, hospital admissions and deaths. We will use these linked person-level data to explore relationships between frequency, volume, nature and costs of primary care services, hospital admissions for PPH diagnoses, and health outcomes, and factors that confound and mediate these relationships. Using multilevel modelling techniques, we will quantify the contributions of person-level, geographic-level and service-level factors to variation in PPH rates, including socioeconomic status, country of birth, geographic remoteness, physical and mental health status, availability of GP and other services, and hospital characteristics.

Ethics and dissemination Participants have consented to use of their questionnaire data and to data linkage. Ethical approval has been obtained for the study. Dissemination mechanisms include engagement of policy stakeholders through a reference group and policy forum, and production of summary reports for policy audiences in parallel with the scientific papers from the study.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Leyland, Professor Alastair
Authors: Jorm, L.R., Leyland, A.H., Blyth, F.M., Elliott, R.F., Douglas, K.M.A., and Redman, S.
College/School:College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > MRC/CSO SPHSU
Journal Name:BMJ Open
Publisher:BMJ Publishing Group
ISSN:2044-6055
Published Online:12 December 2012
Copyright Holders:Copyright © 2012 The Authors
First Published:First published in BMJ Open 2(6):e002344
Publisher Policy:Reproduced under a Creative Commons License

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