Table 2.

Person characteristics of bicycle-motor vehicle crashes in Iowa, 2001-2011

			Bicyclist Location
	Total (N=4437)		Intersection (N=2538)		Non-intersection (N=1899)
Age, bicyclist	N	%	N	%	N	%	p-value
<10	668	15.1	293	11.5	375	19.8	<0.01
10-14	1086	24.5	625	24.6	461	24.3
15-19	544	12.3	345	13.6	199	10.5
20-29	650	14.7	392	15.5	258	13.6
30-59	1069	24.1	620	24.4	449	23.6
60+	197	4.4	118	4.7	79	4.2
Unknown	223	5.0	145	5.7	78	4.1
Age, motorist							0.27
14-19	519	11.7	291	11.5	228	12.0
20-29	816	18.4	488	19.2	328	17.3
30-59	1943	43.8	1108	43.7	835	44.0
60+	716	16.1	414	16.3	302	15.9
Unknown	443	10.0	237	9.3	206	10.9
Gender, bicyclist
Female	1098	24.8	651	25.7	447	23.5	0.23
Male	3279	73.9	1851	72.9	1428	75.2
Unknown	60	1.4	36	1.4	24	1.3
Gender, motorist
Female	1865	42.0	1125	44.3	740	39.0	<0.01
Male	2136	48.1	1181	46.5	955	50.3
Unknown	436	9.8	232	9.1	204	10.7
Safety Devices, bicyclist
Helmet	475	10.7	280	11.0	195	10.3	0.10
Reflective clothing	19	0.4	8	0.3	11	0.6
Lighting	34	0.8	15	0.6	19	1.0
None	3190	71.9	1845	72.7	1345	70.8
Other/Unknown	719	16.2	390	15.4	329	17.3