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Open Access Study protocol

At the interface of community and healthcare systems: a longitudinal cohort study on evolving health and the impact of primary healthcare from the patient's perspectiv

Jeannie Haggerty1, Martin Fortin2*, Marie-Dominique Beaulieu3, Catherine Hudon2, Christine Loignon45, Michel Préville45 and Danièle Roberge45

Author Affiliations

1 Faculty of medicine, McGill University, Montreal, Canada

2 Department of Family Medicine, Université de Sherbrooke, Sherbrooke, Canada

3 Centre de recherche du Centre hospitalier de l'Université de Montréal, Montréal, Canada

4 Faculty of Medicine, Université de Sherbrooke, Sherbrooke, Canada

5 Centre de recherche de l'Hôpital Charles LeMoyne, Longueuil, Canada

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BMC Health Services Research 2010, 10:258  doi:10.1186/1472-6963-10-258

Published: 3 September 2010

Abstract

Background

Massive efforts in Canada have been made to renew primary healthcare. However, although early evaluations of initiatives and research on certain aspects of the reform are promising, none have examined the link between patient assessments of care and health outcomes or the impacts at a population level. The goal of this project is to examine the effect of patient-centred and effective primary healthcare on the evolution of chronic illness burden and health functioning in a population, and in particularly vulnerable groups: the multi-morbid and the poor.

Methods/Design

A randomly selected cohort of 2000 adults aged 25 to 75 years will be recruited within the geographic boundaries of four local healthcare networks in Quebec. At recruitment, cohort members will report on socio-demographic information, functional health and healthcare use. Two weeks, 12 months and 24 months after recruitment, cohort participants will complete a self-administered questionnaire on current health and health behaviours in order to evaluate primary healthcare received in the previous year.

The dependent variables are calculated as change over time of functional health status, chronic illness burden, and health behaviours. Dimensions of patient-centred care and clinical processes are measured using sub-scales of validated instruments. We will use Poisson regression modelling to estimate the incidence rate of chronic illness burden scores and structural equation modelling to explore relationships between variables and to examine the impact of dimensions of patient-centred care and effective primary healthcare.

Discussion

Results will provide valuable information for primary healthcare clinicians on the course of chronic illness over time and the impact on health outcomes of accessible, patient-centred and effective care. A demonstration of impact will contribute to the promotion of continuous quality improvement activities at a clinical level. While considerable advances have been made in the management of specific chronic illnesses, this will make a unique contribution to effective care for persons with multiple morbidities. Furthermore, the cohort and data architecture will serve as a research platform for future projects.