Occupant-to-occupant contact injury in motor vehicle crashes

Figures & data

Table 1. Incidence of AIS 1 and AIS 3+ injuries with subgroups of occupant-to-occupant contact (NASS-CDS 1994–2013 weighted data).

	Crash type
Age
(yr)	Front	Side	Rear	Rollover	Total w/other & unk
	Occupants (MAIS 0+F)
All	19,511,109	8,857,015	2,996,601	3,478,830	45,579,040
15+	17,289,117	7,753,158	2,527,409	3,050,301	40,011,274
9–14	701,181	402,637	150,057	184,876	1,760,509
<9	1,246,646	593,256	273,572	232,386	2,979,900
	AIS 1 injuries
All	20,386,588	8,884,304	2,489,438	6,381,034	43,669,494
15+	19,222,195	8,382,116	2,323,797	6,024,231	41,195,355
9–14	538,731	265,706	88,078	190,659	1,209,636
<9	614,807	233,037	77,516	165,982	1,247,832
	AIS 3+ injuries
All	792,856	613,811	35,708	534,949	2,261,166
15+	758,999	595,174	30,968	511,315	2,162,868
9–14	14,211	10,716	1,766	8,481	41,753
<9	19,646	7,921	2,974	15,153	56,532
	AIS 1 injuries w/occupant contact
All	47,047	105,249	9,674	67,735	244,376
15+	26,287	89,987	7,839	59,929	196,623
9–14	4,210	8,703	1,634	4,099	19,147
<9	16,550	6,559	201	3,707	28,607
	AIS 3+ injuries w/occupant contact
All	964	11,404	235	3,743	18,957
15+	552	10,649	197	3,614	16,940
9–14	214	228	—	—	498
<9	198	527	37	129	1,519

Table 2. Risk and incidence of AIS 3+ injuries with subgroups of occupant-to-occupant contact (NASS-CDS 1994–2013 weighted data).

	Crash type
Age
(yr)	Front	Side	Rear	Rollover	Total w/other & unk
	Risk AIS 3+ injury per MAIS 0 + F
All	4.1%	6.9%	1.2%	15.4%	5.0%
15+	4.4%	7.7%	1.2%	16.8%	5.4%
9–14	2.0%	2.7%	1.2%	4.6%	2.4%
<9	1.6%	1.3%	1.1%	6.5%	1.9%
	Risk AIS 3+ injury w/occupant contact
All	0.0049%	0.129%	0.0078%	0.108%	0.042%
15+	0.0032%	0.137%	0.0078%	0.118%	0.042%
9–14	0.0032%	0.057%	—	—	0.028%
<9	0.0158%	0.089%	0.014%	0.056%	0.051%
					w/o other & unk
	% Incidence AIS 3+ injury
All	40.1%	31.0%	1.8%	27.1%	100%
15+	40.0%	31.4%	1.6%	27.0%	100%
9–14	40.4%	30.5%	5.0%	24.1%	100%
<9	43.0%	17.3%	6.5%	33.2%	100%
	% Incidence AIS 3+ occ-to-occ contact injury
All	5.9%	69.8%	1.4%	22.9%	100%
15+	3.7%	70.9%	1.3%	24.1%	100%
9–14	48.5%	51.5%	—	—	100%
<9	22.2%	59.2%	4.2%	14.5%	100%

Table 3. NASS-CDS cases with AIS 3+ occupant-to-occupant contact injuries in rear crashes.

NASS ID			Crash type			Injured occupant						AIS 3+ Contact			Striking occupant
Year	PSU	Caseid	Case vehicle	# impacts	Max Crash severity	Seating location	Restraint	Age (yr)	Gender	Height (in)	Weight (lb)	# AIS 3+ occ contacts	Occupant contact injury location	AIS	Seating location	Age (yr)	Gender	Height (in)	Weight (lb)
15+ yo
1997	75	85J	1994 Chev.Geo Metro	3	40	RF	auto belt	38	M	76	220	3	Head Lungs	43	D	38	M	74	201
						D	auto belt	38	M	74	201	1	Shdr	3	RF	38	M	76	220
2007	42	60B	1996 Honda Accord	3	Sev	LR^*	None	20	F	65	179	1	Liver	4	RR	36	F	66	146
2007	41	205B	1999 Toyota Tacoma	2	Mod	RF	L-S	65	F	62	104	1	Ribs	4	D	74	M	68	201
2010	41	31B	2001 Honda Prelude	1	Sev	D	Unk	21	F	67	130	1	Brain	4	RR	55	M	69	192
<9 yo
2003	11	193B	1995 Saturn SC	1	44	LR	L-S CRS	5 yo	F	36	35	1	Brain	3	RR	1.5	F	26	26

D: Driver, RF: Right-front, LR: Left-rear, RR: Right-rear; Shdr: Shoulder

^* compl ejection through right rear glazing