Keith Vodden Dr. Douglas Smith - Transports Canada

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Ontario Model 2.99; specialist—1.11; nurse—0.64, physiotherapist—3.05, chiropractor—1.82; other 1 — 0.92. The Chipman re-analysis does not present visits by severity of injury. If we assumed an equal number of visits across individuals with different injury severities, total visits would be divided according to the proportions by injury severity in the Chipman analysis—7% major, 45% minor, and 48% minimal. Instead we assume that the injury severity categories account for 35%, 45%, and 20% of visits for major, minor, and minimal injuries respectively based on a weighting of the number and severity of injuries within severity categories. The resulting distribution by injury and collision severity in our model is provided in Exhibit III-4. Exhibit III-4 Health Care Professionals use by Injury and Collision Severity—Number of Visits (2004) Collision Severity Fatal Injury PDO TOTAL Primary MD: - Major 4,723 73,804 78,527 - Minor 4,666 175,365 180,031 - Minimal 1,214 72,573 73,787 Specialist: - Major 1,761 27,526 29,287 - Minor 1,740 65,404 67,144 - Minimal 453 27,067 27,519 Nurse: - Major 1,014 15,842 16,856 - Minor 1,002 37,642 38,643 - Minimal 261 15,578 15,838 Physiotherapist: - Major 4,820 75,322 80,142 - Minor 4,762 178,973 183,735 - Minimal 1,239 74,066 75,305 Chiropractor: - Major 2,878 44,974 47,852 - Minor 2,843 106,863 109,706 - Minimal 740 44,224 44,964 Other (*): - Major 1,448 22,628 24,076 - Minor 1,431 53,766 55,197 - Minimal 372 22,251 22,623 * Other is a category that is the sum of visits to dentists, optometrists, pharmacists psychologists, social workers and other health professional not identified. 1 Other is a category that is the sum of visits to dentists, optometrists, pharmacists, psychologists, social workers and other health professional not identified. TNS Canadian Facts, Social and Policy Research 27
Analysis and Estimation of the Social Cost of Motor Vehicle Collisions in Ontario 3. Police response The Ontario Provincial Police (OPP) provided hours expended by all staff, by all levels, related to motor vehicle collisions they attended in 2004. Data are available related to the following groupings of activities: initial collision; assistance provided to the initial officer on the scene; court; follow-up; reporting; administration; SOCO 1 and collisionrelated activities not otherwise specified). In 2004, the OPP investigated 73,683 motor vehicle collisions and expended 325,641 staff-hours for these investigations. Although fatal, injury and PDO collisions represent 1%, 19% and 80% respectively of the collisions investigated by the OPP this is unlikely to represent the distribution of hours spent by police officers across these collision severities. Instead we have assigned 15%, 45%, and 40% of OPP staff time respectively by collision severity. This assumed allocation reflects both the degree of difficulty per collision and volume of collisions by collision severity. On average this distribution suggests 107, 10 and 2 hours are spent per fatal, injury and PDO collision respectively. These become the factors used in 2004 and later years to assign hours by police staff to all collisions including those not investigated by the OPP. Collisions handled by the OPP represent 64% of fatal, 29% of injury and 33% of PDO collisions in Ontario. We used the proportion of collisions handled by OPP officers and the allocated amounts by collision severity (approximately 49,000, 147,000 and 130,000 hours for fatal, injury and PDO collisions respectively) to extrapolate OPP police officer time to all collisions and police forces. This method may under-estimate police involvement; if for example, more than one police force (OPP and a municipal police force) attended a collision. The model allocates 990,000 hours of police time using the unadjusted collision severities (i.e. from police reports) to reflect information available to the police when deciding how much time to allocate to collisions. 4. Fire department response We obtained data from The Office of the Fire Marshal related to responses by fire departments in 2004. Fire departments responded to 33,082 motor vehicle “accidents” and 2,618 vehicle extrications, not included in the previous number. In addition there were 116 and 14 responses attributed to a vehicle “accident” and listed as fires with loss and without loss respectively. Although detail on the location of the fire response is not available from the data, most of these “accidents” are likely HTA reportable collisions. As a result, we assign 35,830 responses by fire departments to motor vehicle collisions. We assume that fire departments will respond to all fatal collisions with the remainder of calls going to injury collisions. 1 Scenes of Crime Officer—officers who ensure any evidentiary material at the "crime scene" is secured and properly documented. 28 TNS Canadian Facts, Social and Policy Research
Page 1 and 2: TP 14800F Analysis and Estimation o
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APPENDIX E: REFERENCES Audrey, J. a
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