| |
Belted
|
Unbelted
|
Total
| |
|---|
| |
No/Minor injury
|
Severe/Fatal Injury
|
No/Minor injury
|
Severe/Fatal Injury
| | |
|---|
| |
n (%)
|
n (%)
|
n (%)
|
n (%)
|
n (%)
|
Chisq (p-value)a
|
|---|
|
Totalb, c
|
361,170 (91.3)
|
3,924 (1.0)
|
27,918 (7.1)
|
2,492 (0.6)
|
395,504 (100.0)
| |
|
Passenger Characteristics (n=395,504)
|
|
Age
| | | | | |
0.2 (0.95)
|
|
18–24
|
154,228 (42.7)
|
1,659 (42.3)
|
15,302 (54.8)
|
909 (36.5)
|
172,098 (43.5)
| |
|
25–44
|
111,107 (30.8)
|
1,043 (26.6)
|
8,833 (31.6)
|
1,083 (43.5)
|
122,067 (30.8)
| |
|
45–64
|
62,810 (17.4)
|
745 (19.0)
|
2,980 (10.7)
|
426 (17.1)
|
66,960 (16.9)
| |
|
65+
|
33,026 (9.1)
|
477 (12.2)
|
803 (2.9)
|
74 (3.0)
|
34380 (8.7)
| |
|
Gender
| | | | | |
0.006 (0.92)
|
|
Male
|
164,163 (45.6)
|
1,623 (41.5)
|
13,047 (46.7)
|
1,234 (49.5)
|
180,067 (45.6)
| |
|
Seating Position
| | | | | |
0.07 (0.92)
|
|
Left seated
|
143,658 (39.9)
|
1,556 (39.9)
|
11,069 (40.7)
|
914 (38.8)
|
157,197 (39.9)
| |
|
Middle seated
|
25,099 (7.0)
|
118 (3.0)
|
3,515 (12.9)
|
330 (14.0)
|
29,062 (7.4)
| |
|
Right seated
|
191,408 (53.1)
|
2,228 (57.1)
|
12,595 (46.3)
|
1,111 (47.2)
|
207,341 (52.7)
| |
|
Driver Characteristics (n=284,554)
|
|
Age
| | | | | |
0.9 (0.48)
|
|
15–19
|
32,639 (13.6)
|
337 (12.0)
|
2,791 (15.7)
|
225 (11.8)
|
38,041 (13.4)
| |
|
20–44
|
129,185 (53.8)
|
1,339 (48.0)
|
9,699 (54.7)
|
1,274 (67.1)
|
153,703 (54.5)
| |
|
45–64
|
57,849 (24.1)
|
715 (25.6)
|
4,486 (25.3)
|
349 (18.4)
|
68,002 (24.1)
| |
|
65+
|
20,287 (8.5)
|
396 (14.1)
|
731 (4.1)
|
51 (2.6)
|
22,287 (7.9)
| |
|
Gender
| | | | | |
1.5 (0.17)
|
|
Male
|
143,479 (59.8)
|
1,377 (49.1)
|
12,189 (68.1)
|
999 (52.5)
|
170,237 (59.8)
| |
|
Restraint Status
| | | | | |
27.6 (<0.0001)
|
|
Yes
|
237,425 (98.3)
|
2,709 (97.2)
|
14,334 (79.3)
|
1,321 (73.6)
|
20,998 (97.7)
| |
|
Alcohol involved
| | | | | |
26.8 (<0.0001)
|
|
Yes
|
3,461 (1.5)
|
115 (4.5)
|
706 (4.3)
|
393 (23.1)
|
5,795 (2.2)
| |
|
Vehicle Characteristics
|
|
Vehicle model year
| | | | | |
5.9 (0.025)
|
|
<1994
|
9,258 (2.6)
|
60 (1.5)
|
555 (2.0)
|
64 (2.6)
|
9,937 (2.5)
| |
|
1994–1997
|
21,177 (5.9)
|
166 (4.2)
|
1,754 (6.3)
|
110 (4.4)
|
23,207 (5.9)
| |
|
1998–2004
|
138,809 (38.6)
|
2,245 (57.2)
|
14,872 (53.3)
|
1,245 (50.0)
|
157,171 (39.9)
| |
|
2005–2008
|
93,075 (25.9)
|
856 (21.8)
|
5,122 (18.3)
|
483 (19.4)
|
99,536 (25.3)
| |
|
2009–2014
|
97,506 (27.1)
|
596 (15.2)
|
5,616 (20.1)
|
590 (23.7)
|
104,308 (26.5)
| |
|
Vehicle type
| | | | | |
4.8 (0.073)
|
|
Car
|
207,252 (57.4)
|
2,690 (68.5)
|
17,008 (60.9)
|
1,614 (64.8)
|
228,564 (57.8)
| |
|
SUV
|
71,244 (19.7)
|
855 (21.8)
|
5,478 (19.6)
|
439 (17.6)
|
78,016 (19.7)
| |
|
Van
|
37,633 (10.4)
|
240 (6.1)
|
3,207 (11.5)
|
149 (6.0)
|
41,228 (10.4)
| |
|
Pickup
|
45,041 (12.5)
|
140 (3.6)
|
2,225 (8.0)
|
290 (11.6)
|
47,686 (12.1)
| |
|
Crash Rating
|
|
Side crash rating
| | | | | |
8.9 (0.018)
|
|
Unrated
|
288,448 (79.9)
|
3,200 (81.6)
|
22,465 (80.5)
|
1,662 (66.7)
|
315,775 (79.8)
| |
|
Poor
|
20,289 (5.6)
|
230 (5.9)
|
2,530 (9.1)
|
89 (3.6)
|
23137 (5.9)
| |
|
Marginal
|
6,450 (1.8)
|
54 (1.4)
|
729 (2.6)
|
160 (6.4)
|
7,393 (1.9)
| |
|
Acceptable
|
6,717 (1.9)
|
210 (5.4)
|
411 (1.5)
|
209 (8.4)
|
7,548 (1.9)
| |
|
Good
|
39,266 (10.9)
|
230 (5.9)
|
1,784 (6.4)
|
372 (14.9)
|
41,651 (10.5)
| |
|
Crash Characteristics
|
|
Time of crash
| | | | | |
0.02 (0.88)
|
|
Day
|
216,322 (60.0)
|
2,592 (66.1)
|
12,681 (45.4)
|
1,291 (51.8)
|
232,886 (59.0)
| |
|
Night
|
144,285 (40.0)
|
1,332 (33.9)
|
15,237 (54.6)
|
1,201 (48.2)
|
162,054 (41.0)
| |
|
Week of Day
| | | | | |
0.04 (0.78)
|
|
Weekday
|
228,083 (63.2)
|
2,443 (62.3)
|
17,709 (63.4)
|
1,526 (61.3)
|
249,761 (63.2)
| |
|
Weekend
|
133,087 (36.8)
|
1,481 (37.7)
|
10,209 (36.6)
|
966 (38.7)
|
145,743 (36.9)
| |
|
Crash Side
| | | | | |
4.2 (0.010)
|
|
Same side
|
169,036 (46.9)
|
2,272 (58.2)
|
11,455 (42.1)
|
1,374 (58.4)
|
184,137(46.8)
| |
|
Middle seated
|
25,099 (7.0)
|
118 (3.0)
|
3,515 (12.9)
|
330 (14.0)
|
29,062 (7.4)
| |
|
Opposite side
|
166,030 (46.1)
|
1,512 (38.7)
|
12,209 (44.9)
|
650 (27.6)
|
180,402 (45.8)
| |
|
Crash Type
| | | | | |
23.9 (<0.0001)
|
|
Single vehicle
|
44,837 (13.0)
|
726 (18.6)
|
5,063 (18.9)
|
1,017 (40.8)
|
51,643 (13.6)
| |
|
Angle
|
156,095 (45.2)
|
2,630 (67.4)
|
13,297 (49.5)
|
962 (38.6)
|
172,984 (45.6)
| |
|
Sideswipe-same direction
|
129,184 (37.4)
|
498 (12.8)
|
6,815 (25.4)
|
485 (19.4)
|
136,982 (36.1)
| |
|
Sideswipe-opposite direction
|
15,605 (4.5)
|
47 (1.2)
|
1,681 (6.3)
|
28 (1.1)
|
17,361 (4.6)
| |
|
Striking vehicle
| | | | | |
17.7 (<0.0001)
|
|
No striking vehicle
|
37,264 (10.7)
|
579 (15.9)
|
4,674 (17.7)
|
998 (40.3)
|
43,515 (11.4)
| |
|
Multiple vehicle
|
21,133 (6.1)
|
252 (6.9)
|
708 (2.7)
|
247 (10.0)
|
22,341 (5.9)
| |
|
Smaller/similar
|
201,727 (57.8)
|
1,832 (50.3)
|
13,552 (51.3)
|
569 (23.0)
|
217,680 (57.1)
| |
|
Larger
|
88,706 (25.4)
|
982 (26.9)
|
7,494 (28.4)
|
661 (26.7)
|
97,843 (25.7)
| |
|
Rollover
| | | | | |
52.6 (<0.0001)
|
|
Yes
|
6,315 (1.7)
|
369 (9.4)
|
1,994 (7.1)
|
640 (25.7)
|
9,318 (2.4)
| |
|
Ejection
| | | | | |
269.7 (<0.0001)
|
|
Yes
|
52 (0.0)
|
84 (2.3)
|
405 (1.6)
|
596 (24.4)
|
1,137 (0.3)
| |
|
Speed related
| | | | | |
27.1 (<0.0001)
|
|
Yes
|
15,780 (4.4)
|
345 (8.9)
|
1,358 (5.0)
|
759 (30.8)
|
18,242 (4.7)
| |
-
aChi-square and p value expressed are for the relationship between the left-side variable and severe/fatal injury
-
bPercentage for Total are row percentages; all the other are column percentages
-
CTotal in each stratum are different due to missing values
