✍ Scribed by D.L. Mohr; D.I. Clemmer
No coin nor oath required. For personal study only.
A study of workers in a heavy industry shows that the proportion of workers with excessive injuries in two successive time periods did not exceed that expected by chance. While accident repeaters may exist, they were not a stable component of this workforce. Removing individuals with excessive injuries in a given time would not appreciably reduce the number of injuries in succeeding periods. Unlike earlier studies, this analysis was based on medically attended injuries only and controlled for job hazards, exposure, age, and changes in job and location.
📜 SIMILAR VOLUMES
Al~traet--Two-way tabulation of data when a third interacting variable is present can lead to false inferences. In this paper it is shown that the probability of an occupant fatality given a crash in a single-vehicle accident is independent of vehicle size in an aggregate data set. When the data set