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Keith Vodden Dr. Douglas Smith - Transports Canada

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Appendix A—Detail on Calculations of the Ontario Model<br />

almost identical distribution, this time based on estimates by police of the average amount<br />

devoted to each severity type of collision.)<br />

Exhibit A-13 Health Care Professionals use by Injury and Collision<br />

Severity—Number of Visits (2004)<br />

Collision Severity<br />

Fatal Injury PDO TOTAL<br />

Primary MD:<br />

- Major 4,723 73,804 78,527<br />

- Minor 4,666 175,365 180,031<br />

- Minimal 1,214 72,573 73,787<br />

Specialist:<br />

- Major 1,761 27,526 29,287<br />

- Minor 1,740 65,404 67,144<br />

- Minimal 453 27,067 27,519<br />

Nurse:<br />

- Major 1,014 15,842 16,856<br />

- Minor 1,002 37,642 38,643<br />

- Minimal 261 15,578 15,838<br />

Physiotherapist:<br />

- Major 4,820 75,322 80,142<br />

- Minor 4,762 178,973 183,735<br />

- Minimal 1,239 74,066 75,305<br />

Chiropractor:<br />

- Major 2,878 44,974 47,852<br />

- Minor 2,843 106,863 109,706<br />

- Minimal 740 44,224 44,964<br />

Other (*):<br />

- Major 1,448 22,628 24,076<br />

- Minor 1,431 53,766 55,197<br />

- Minimal 372 22,251 22,623<br />

* Other is a category that is the sum of visits to dentists, optometrists, pharmacists psychologists, social workers and<br />

other health professional not identified.<br />

Collisions handled by the OPP represent 64% of fatal, 29% of injury and 33% of<br />

PDO collisions in Ontario. We used the proportion of collisions handled by OPP officers<br />

and the allocated amounts by collision severity (approximately 49,000, 147,000 and<br />

130,000 hours for fatal, injury and PDO collisions respectively) to extrapolate OPP police<br />

officer time to all collisions and police forces. This method may under-estimate police<br />

involvement; if for example, more than one police force (OPP and a municipal police<br />

force) attended a collision. The result of this analysis of the time spent by police related<br />

to collisions is noted in Exhibit A-14. Note that the model allocates police time using the<br />

unadjusted collision severities (i.e. from police reports) to reflect information available to<br />

the police when deciding how much time to allocate to collisions.<br />

TNS Canadian Facts, Social and Policy Research 135

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