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Overview

The Ontario Mental ºìÁì½í¹Ï±¨ Reporting System (OMHRS) analyzes and reports on information submitted to ºìÁì½í¹Ï±¨about all individuals receiving adult mental health services in Ontario, as well as some individuals receiving services in youth inpatient beds and selected facilities in other provinces. OMHRS includes information about mental and physical health, social supports and service use, as well as care planning, outcome measurement, quality improvement and case-mix funding applications.

Find out more about inpatient mental health services, including reports and analyses based on OMHRS data.

Data source

OMHRS comprehensive data is collected using the Resident Assessment Instrument — Mental ºìÁì½í¹Ï±¨ (RAI-MH©) version 2.0, a standardized clinical instrument used to regularly assess those receiving inpatient mental health care. The RAI-MH gathers information on where individuals are admitted from and why, where they are discharged to and why, and, potentially, information at other points in time during a hospital stay.  

The tool was developed by interRAI , Ontario’s Ministry of ºìÁì½í¹Ï±¨ and Long-Term Care and the Ontario Hospital Association. It includes the following:

• The Minimum Data Set for Mental ºìÁì½í¹Ï±¨ (MDS-MH)©, with approximately 300 data elements
• 20 Mental ºìÁì½í¹Ï±¨ Clinical Assessment Protocols (MH CAPs)© for care planning
• 5 Quality Indicators for Mental ºìÁì½í¹Ï±¨ (QIMH)
• 7 outcome measures based on clinical scales
• The System for Classification of In-Patient Psychiatry (SCIPP) case-mix methodology

Assessments are completed

• At admission
• At discharge
• Every 3 months, for patients with extended stays
• Whenever there is a significant, unexpected change in a patient’s clinical status

Data is currently submitted to ºìÁì½í¹Ï±¨from participating hospitals in Ontario, as well as from 3 facilities in Newfoundland and Labrador and 1 facility in Manitoba. Data is available from October 1, 2005, onward

Data availability

OMHRS data is available by fiscal quarter, with a 2-month lag period following each fiscal quarter. OMHRS data is currently available for the following fiscal years:

Provisional data:

Annual updates

• Q1 (April to June), available September 6
• Q2 (July to September), available December 6
• Q3 (October to December), available March 6
• Q4 (January to March), available June 6

Classification

Case-mix methodologies (a form of resource measurement) categorize assessment data into homogenous groups based on the administrative and clinical data collected. This information can be used to understand the different care requirements of clients by comparing health care organization and case-mix resource use. 

OMHRS uses the System for Classification of In-Patient Psychiatry (SCIPP) (PDF) that was developed for the RAI-MH.

Data elements

The OMHRS data elements in the MDS-MH are organized into the following sections:

• Patient identifiers
• Personal items
• Referral items
• Mental health service history
• Assessment information
• Mental state indicators
• Substance use and excessive behaviours
• Harm to self and others
• Behaviour disturbance
• Cognition
• Self-care
• Communication/vision patterns
• ºìÁì½í¹Ï±¨ conditions and possible medication side effects
• Stressors
• Service utilization/treatments
• Control procedures/observation
• Nutrition
• Role functioning and social relations
• Resources for discharge
• Psychiatric diagnostic information
• Service history
• Medications

OMHRS Assessment Types and Data Elements, 2024-2025 (PDF)

Data quality

ºìÁì½í¹Ï±¨ensures that the quality of the information in our data holdings is suited to its intended uses and that data users are provided with accurate information about data quality. Read more about our Data and Information Quality Program.

The following data quality documentation is available:

Key resources

The following resources are available to OMHRS subscribing facilities:

Please log in to Operational Reports to view these resources:

Privacy impact assessment

Privacy impact assessments (PIAs) evaluate and address the privacy impacts of programs and systems. 

Go to the Privacy and security page to view the PIA, which contains further information about the purposes, data elements and data sources for this data holding.

Contact us 

For further information, please email

help@cihi.ca