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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Addiction. 2012 Aug 20;108(1):104–114. doi: 10.1111/j.1360-0443.2012.03993.x

Table 1.

Characteristics of Fatally Injured Drivers who Died within One Hour of the Crash by Toxicological Testing Status, Selected States, United States, 2005–2009

Toxicological testing
complete (n=20,150)
Toxicological testing
incomplete (n=2,499)

Characteristic No. of
Drivers
% No. of
Drivers
%
Age (in years)a,b
 <16 60 0.3 26 1.0
 16-20 2327 11.6 257 10.3
 21-24 2590 12.9 279 11.2
 25-34 4217 20.9 446 17.9
 35-44 3554 17.6 395 15.8
 45-54 3273 16.2 389 15.6
 55-64 2138 10.6 318 12.7
 ≥ 65 1985 9.9 388 15.5
Sexa,b
 Female 4418 21.9 615 24.6
 Male 15731 78.1 1884 75.4
Racea,c
 White 14819 73.5 1748 69.9
 Black 1410 7.0 114 4.6
 Asian 497 2.5 435 1.8
 Native American 209 1.0 95 1.5
 Other 128 0.6 17 0.7
 Unknown 3087 15.3 538 21.5
Ethnicitya,c
 Hispanic 2313 11.5 203 8.1
 Non-Hispanic 14432 71.6 1723 68.9
 Unknown 3405 16.9 573 22.9
Driver Type
 Motor carrier 398 2.0 53 2.1
 Non-motor carrier 19752 98.0 2446 97.9
Number of Vehicles Involved
 1 15122 75.0 1884 75.4
 ≥ 2 5028 25.0 615 24.6
DWI conviction within the Prior 3 years b
 No 18885 95.6 2333 95.6
 Yes 876 4.4 107 4.4
Crash within the Prior 3 yearsa,b
 No 15450 83.6 1951 85.5
 Yes 3041 16.4 332 14.5
Blood Alcohol Concentration (in g/dL)a,b,c
 0.00 11977 59.7 571 51.1
 0.01-0.07 1079 5.4 61 5.5
 ≥ 0.08 7015 35.0 485 43.4
Day of Crash
 Friday-Sunday 10126 50.3 1252 50.1
 Monday-Thursday 10024 49.7 1247 49.9
Time of Crasha,b
 Day (7:00 am and 6:59 pm) 9755 49.2 1346 54.6
 Night (7:00 pm and 6:59 am) 10091 50.8 1117 45.4
Year of Crasha,c
 2005 4133 20.5 735 29.4
 2006 4368 21.7 553 22.1
 2007 4337 21.5 416 16.6
 2008 3960 19.7 366 14.6
 2009 3352 16.6 429 17.2
Time until Driver Death c
 Instantly 9968 49.5 1200 48.0
 1-59 minutes 10182 50.5 1299 52.0
Death Location b
 At scene 16180 80.3 2007 80.3
 En route 163 0.8 20 0.8
 Other 3801 18.9 472 18.9
a

Group with complete drug assessments differs significantly from group with incomplete assessment, two-sided P<0.05.

b

Totals vary due to missing data.

c

Due to rounding some percentage totals may not add to 100.

Note: The overall testing rate for this group of drivers is 89%.