Author
Listed:
- Maude Laberge
- Bile Yacouba Djedou
- Thomas G. Poder
- Anaïs Lacasse
- Catherine Hudon
Abstract
In 2024–2025, public health expenditures in Québec exceeded $60 billion, representing 50% of total public spending. It is well documented that health expenditures are concentrated within a minority of users identified as “high users” of healthcare services. However, the care trajectories of these high users (HUs) remain largely underexplored. Drawing on data from the TorSaDe cohort (The Care Trajectories—Enriched Data ), a longitudinal database representative of the Québec population, the authors identify the socio-economic, demographic, clinical, and behavioral factors that distinguish HUs of healthcare from the general population. The TorSaDe cohort combines administrative health data with responses from Québec participants to the Canadian Community Health Survey (CCHS) over a ten-year period. Among the approximately 100,000 individuals in the sample, nearly 30% were classified as HUs for at least one year. HUs do not constitute a homogeneous group: some are occasional users, others are recurrent, while some are persistent and chronic users. Although they represent a minority, the latter group makes sustained and disproportionate use of the system’s resources, often due to complex comorbidities, severe psychiatric disorders, and multiple social vulnerabilities. This study serves as a highly strategic tool for healthcare planning in Québec. The early identification of high-risk trajectory profiles enables upstream action through targeted interventions before overuse becomes entrenched. En 2024-2025, les dépenses publiques en santé au Québec atteignaient plus de 60 milliards de dollars, soit 50 % des dépenses publiques. Il est bien documenté que les dépenses de santé sont concentrées dans une minorité d’usagers qualifiés de « grands utilisateurs » de soins. Or, les trajectoires de soins de ces grands utilisateurs (GU) sont très peu étudiées. À partir des données de la cohorte TorSaDe (Trajectoires Santé—Données Enrichies), une base de données longitudinale représentative de la population québécoise, les auteurs identifient les facteurs socio-économiques, démographiques, cliniques et comportementaux qui différencient les GU de soins de la population générale. La cohorte TorSaDe combine des données administratives de santé et les réponses des participants du Québec à l’Enquête sur la santé des collectivités canadiennes (ESCC) sur une période de dix ans. Sur les quelque 100 000 individus de l’échantillon, près de 30 % ont été des GU au moins une année. Les GU ne forment pas un groupe homogène : certains sont occasionnels, d’autres récurrents et d’autres persistants et chroniques. Bien que minoritaires, ces derniers mobilisent de manière soutenue et disproportionnée les ressources du système, souvent en raison de comorbidités complexes, de troubles psychiatriques sévères et de vulnérabilités sociales multiples. Cette étude est un outil hautement stratégique pour la planification des soins au Québec. L’identification précoce des profils de trajectoires à risque permet d’agir en amont, en proposant des interventions ciblées avant que la surutilisation ne s’installe.
Suggested Citation
Maude Laberge & Bile Yacouba Djedou & Thomas G. Poder & Anaïs Lacasse & Catherine Hudon, 2025.
"Trajectoires des grands utilisateurs de soins de santé au Québec,"
CIRANO Project Reports
2025rp-18, CIRANO.
Handle:
RePEc:cir:cirpro:2025rp-18
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