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Table 1 Administrative database sources used for the Cardiovascular Health Awareness Program (CHAP) evaluation

From: Reducing the confusion and controversies around pragmatic trials: using the Cardiovascular Health Awareness Program (CHAP) trial as an illustrative example

Database

Description of contents

The Census data

Contains the sociodemographic profile and a measure of deprivation associated with different regions (small regions called dissemination areas).

The Client Agency Enrolment Program

Tracks patient enrollment to individual family physicians.

The Corporate Provider Database

Captures physician demographic and training information, and tracks their enrolment in practices and the primary care service organizations.

The Discharge Abstract Database

Provides information on all acute care hospitalizations.

The National Ambulatory Care Reporting System (NACRS)

Provides information on all emergency department encounters and same day surgeries.

The Ontario Drug Benefit Program Database

Tracks all provincially reimbursed prescription drug products dispensed to Ontarians aged 65 years and older or receiving social assistance.

The Ontario Health Insurance Plan Claims History Database

Captures information regarding in-and-out patient physician services and outpatient diagnostic and laboratory services.

The Ontario Physician Human Resources Database

Identifies area of specializations for physicians and allows primary care providers who are generalists to be identified.

The Registered Person’s Database

Captures demographic information and vital status (alive/deceased) for all Ontarians insured under the Ontario Health Insurance Plan

The Statistics Canada’s Postal Code Conversion File

Allows patients to be attributed to a census dissemination area based on postal code.