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Crash Medical Outcomes Data
The Linked Crash-Medical Data come from the California Crash Medical Outcomes Data (CMOD) project, modeled on the National Highway Traffic Safety Administration (NHTSA)
Crash Outcome Data Evaluation System (CODES). CMOD links data from police traffic crash records (i.e., scene investigations) to medical data (from emergency departments,
hospitals, and, in a future update, death files). To learn more about CMOD data linkage, go to Help.
For 2007, 56% of crash records linked to a medical record and 44% did not. There are valid reasons why some records do not link. Some crash victims are never treated in a
hospital or emergency department. In other cases, records do not have enough information for a positive match. The value of a linked data set is that it can be used to show
how a victim's medical outcome depends on the characteristics of the person (such as age) and the circumstances of the crash (such as the type of collision). Because linked
data do not include all cases, they cannot be used to describe all crashes or all injuries. For describing all injuries, use EpiCenter’s other queries. For describing all crashes on
California roadways, use the California Highway Patrol (CHP) SWITRS Reports CHP-SWITRS.
The CMOD project and this query were funded by a NHTSA State Traffic Safety Information System Improvement grant through the California Office of Traffic Safety.
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