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JUNE 2003 - Alberta Centre for Injury Control & Research

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Table 2<br />

Haddon matrix <strong>for</strong> unintentional injuries involving motor vehicle collisions<br />

Pre-event<br />

Human Factors Agent or Vehicle Factors Physical Environment Socio-cultural Environment<br />

• Alcohol intoxication • Brakes, tires<br />

• Visibility of hazards<br />

• Attitudes about alcohol<br />

• Fatigue<br />

• Center of gravity<br />

• Road curvature and gradient<br />

• Laws related to impaired driving<br />

• Experience<br />

• Jackknife tendency<br />

• Divided highways<br />

• Speed limits<br />

• Driver vision<br />

• Ease of control<br />

• Intersections, access control<br />

• Support <strong>for</strong> injury prevention ef<strong>for</strong>ts<br />

• Amount of travel<br />

• Load weight<br />

• Signals<br />

• Speed capability<br />

Event<br />

• Seat belt use<br />

• Speed at impact<br />

• Recovery areas<br />

• Attitudes about safety belt use<br />

• Age<br />

• Vehicle size<br />

• Guard rails<br />

• Laws about safety belt use<br />

• Sex<br />

• Osteoporosis<br />

• Hardness and sharpness<br />

of contact surfaces<br />

• Load containment<br />

• Characteristics of fixed<br />

objects<br />

• Median barriers<br />

• En<strong>for</strong>cement of child passenger<br />

restraint laws<br />

• Roadside embankments<br />

Postevent<br />

• Age<br />

• Physical condition<br />

• Fuel system integrity • Emergency communications<br />

systems<br />

• Distance to and quality of<br />

emergency medical services<br />

• Support <strong>for</strong> trauma care systems<br />

• Training of emergency medical service<br />

personnel<br />

• Rehabilitation programs<br />

Source: Francescutti. (<strong>2003</strong>). Adapted from: National Committee <strong>for</strong> <strong>Injury</strong> Prevention and <strong>Control</strong>. (1998). <strong>Injury</strong> Prevention: Meeting the Challenge. New York:Ox<strong>for</strong>d University Press.<br />

Making <strong>Alberta</strong> the Safest Place to Live<br />

20

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