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Case-control study assesses injury rates in children, suggesting effective prevention methods for pedestrian hazards.
In Reply.— I agree with Chang and Griffith that there is a need to include exposure to potential pedestrian hazards when evaluating injury rates of child pedestrians. Such data are, unfortunately, not available for children in this country. The collection of such information is a laudable goal and could most efficiently be done in a case-control study design. The position taken in our paper concerning effective prevention strategies arises from the past success of changes in vehicles and environments in reducing injuries and the relative lack of success of educational approaches.
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FREDERICK P. RIVARA (1987) studied this question.
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