Table 1

Demographic and crash characteristics of helmeted (n=1720) and non-helmeted (n=6653) injured cyclists, Rhône road trauma registry, 1998–2008

	Helmeted injured cyclists		Non-helmeted injured cyclists		χ² Test
	N	col. %	N	col. %	χ² Test
Gender
Female	257	14.9	1693	25.4	p<0.0001
Male	1463	85.1	4960	74.6	p<0.0001
Age, y
0–9	175	10.2	1223	18.3	p<0.0001
10–14	190	11.0	1402	21.1
15–24	271	15.7	1556	23.4
25–34	295	17.2	879	13.2
35–44	299	17.4	632	9.5
45–54	253	14.7	453	6.8
55–64	149	8.7	283	4.3
65+	88	5.1	225	3.3
ISS
1–3	1039	60.4	4354	65.4	p<0.0001
4–8	545	31.7	1803	27.1
9–15	116	6.7	390	5.9
16–75	20	1.2	106	1.6
ISS without head, face, or neck
0	207	12.0	1166	17.5	p<0.001
1–3	951	55.3	3689	55.4
4–8	455	26.5	1430	21.5
9–15	96	5.6	338	5.1
16–75	11	0.6	30	0.5
Crash opponent
None	1067	62.4	4394	66.6	p<0.0001
Human, animal	118	6.9	277	4.2
Stationary obstacle	153	8.9	525	8.0
Motor vehicle	373	21.8	1406	21.3
Crash setting
Urban	933	54.2	4374	65.7	p<0.0001
Rural	570	33.1	1054	15.8
Unknown	217	12.6	1225	18.4
Road type
Major road	171	12.3	220	4.4	p<0.0001
Local road	845	60.7	3795	76.0
Unknown type of road	88	6.3	310	6.2
Off road	289	20.7	667	13.4