Feedback to Improve Rational Strategies of Antibiotic Initiation and Duration in Long Term Care (FIRST AID -LTC) - Phase 2

To Identify an LTC Resident Inclusion Criteria: An individual having a minimum of 2 records on separate days within the quarter meeting any combination of the following criteria: * a record for a non-emergency long-term care inpatient service OR * an Ontario Drug Benefits record administered in long-term care Index date = The analysis will be anchored on the most recent of either of the records above with a given quarter or their date of death (whichever date is earliest) Exclusion Criteria: * Non-Ontario resident at index date * Invalid age (age\<19 or age\>115) at index date * Missing or invalid sex or date of birth at index date * Death date is \>7 days before index date * If the individual does not live in a nursing home or home for the aged * Cannot be linked to a Most Responsible Physician (MRP) (see methodology below) To identify the Most Responsible Physician (MRP) Using Virtual Rostering For each patient in the above resident cohort, the study team will retrieve all records from health care providers in the 6 month period preceding the index date (180 days), keeping only records from physicians who have a specialty of 1) general practice, 2) community medicine or 3) geriatrics. Steps for MRP assignment: Step 1) The study team will first select physicians with highest count of OHIP records for the monthly management of a nursing home or home for the aged. This is completed for as many residents as possible. Step 2) If there were no monthly management fee re…