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Traumatic Brain Injury Among Drivers in Passenger Vehicles in Kentucky, 1997

Traumatic Brain Injury Among Drivers in Passenger Vehicles in Kentucky, 1997. State Injury Prevention Program Kentucky Injury Prevention and Research Center University of Kentucky School of Public Health CODES Technical Assistance Meeting Portland, ME June, 2000.

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Traumatic Brain Injury Among Drivers in Passenger Vehicles in Kentucky, 1997

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  1. Traumatic Brain Injury Among Drivers in Passenger Vehicles in Kentucky, 1997 State Injury Prevention Program Kentucky Injury Prevention and Research Center University of Kentucky School of Public Health CODES Technical Assistance Meeting Portland, ME June, 2000

  2. Creation of TBI Data SetLevel I Trauma Centers that Treat Kentuckians

  3. Creation of TBI Data SetFile Linkages Trauma Registries TBI Data Set UB92 Link and Remove Duplicates Filter TBI’s Death Certificates

  4. Creation of TBI Data SetResults of Trauma-UB92-Death Certificates Linkage Number of TBI’s After Unduplication= 3,244 TBI Rate = 86/100,000

  5. Preparation of Crash Data Set • Passengers were omitted because Kentucky police only collect date of birth for drivers.

  6. Preparation of Crash Data Set • Commercial vehicles and motorcycles were omitted

  7. Crash-TBI Linkage • 580 TBI’s linked to drivers • Of these, 386 were e-coded as MV drivers • 194 were e-coded as MV non-traffic or passengers, or were not e-coded • Validation of the matches indicates possible e-coding issues 225,000 drivers 3,244 TBI’s

  8. Crash-TBI LinkageEstimate of False Negative Rate

  9. Driver gender Driver age Seat belt use Posted speed limit Crash location Vehicle size (VIN) Vehicle body type Type of crash Area of vehicle struck Type of roadway Weather Roadway condition Bivariate Analyses Measuredassociation between TBI/No TBI outcome and: • Number of drivers having TBI is 580 • Number of drivers having no TBI is approximately 225,000

  10. Bivariate Analysis of Gender and TBI • Male drivers were 1.39 times more likely to suffer a TBI as a result of a crash than were female drivers.

  11. Bivariate Analysis of Age and TBI • Drivers 19 years of age or younger were 1.36 times more likely to suffer a TBI as a result of a crash than were drivers 20 years of age or older.

  12. Bivariate Analysis of Seat Belt Use and TBI • Unbelted drivers were 12.7 times more likely to suffer a TBI as a result of a crash than were belted drivers. • “Seat belt” in this test includes “lap belt,” “harness/lap belt,” “harness only,” and “other passenger restraint.” • “No seat belt” includes “installed, not in use” and “not installed”

  13. Other Bivariate Analyses

  14. Variables Still to be Tested • Vehicle size • Vehicle body type • Type of crash • Area of vehicle struck • Type of roadway • Weather • Roadway condition

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