Abstract
Several difficulties in the descriptive epidemiology of school accidents which have been found through a study on accidents of primary school children have been discussed.1. It is generally not easy to know the relative frequency of accidents in a given group of accidents or in a given situation of school life. This is because of lack of information available to determine the reference population (person-hours) in every group of children or in every situation of school life. Careful investigation of the school life of children will be necessary to get this information.2. When accidents are classified into several groups according to a given factor to see the effects of the factor on characteristics of accidents, it must be kept in mind that these groups of accidents are not only different in respect to the given factor, but also different in respect to many other factors. The same consideration will be necessary in the comparison of the relative frequency of accidents among several groups of reference population classified according to one factor. These groups of reference population are not only different in the concerning factor, but also may be different in respect to many other factors. Some of the multivariate statistical methods may be useful to detect the effects of a given factor in such situations. Their proper application should be studied in the future.3. The great variety in school accidents makes us suspect that various essentially different events are to be found mixed in school accidents. If such be the case, it might be unreasonable or at least unwise to study school accidents regarding them as a single group of events, thus trying to find the principle of accident causation common to all school accidents. It is recommended that the object of study be restricted to accidents in a specific group of children and in a specific situation of school life. When information obtained from these separately performed studies is accumulated step by step, the principle of accident causation common to all school accidents can finally be detected, if it is in existence.
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Schedule a callMore From: Nihon eiseigaku zasshi. Japanese journal of hygiene
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