Impact of helmets on injuries to riders of all-terrain vehicles

S M Bowman; M E Aitken; J C Helmkamp; S A Maham; C J Graham

doi:10.1136/ip.2008.019372

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Original Article

Impact of helmets on injuries to riders of all-terrain vehicles

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	Abstract	Full	Pdf
Feb 2009	144	22	42
Mar 2009	119	19	28
Apr 2009	32	14	21
May 2009	9	5	9
Jun 2009	16	7	11
Jul 2009	26	6	10
Aug 2009	10	7	13
Sep 2009	14	3	6
Oct 2009	16	6	12
Nov 2009	23	2	10
Dec 2009	9	2	8
Jan 2010	13	8	8
Feb 2010	14	5	10
Mar 2010	19	8	5
Apr 2010	8	3	6
May 2010	13	8	10
Jun 2010	12	6	16
Jul 2010	17	2	5
Aug 2010	21	0	2
Sep 2010	13	7	8
Oct 2010	43	8	7
Nov 2010	44	2	6
Dec 2010	26	3	4
Jan 2011	12	3	5
Feb 2011	22	10	10
Mar 2011	33	24	30
Apr 2011	29	0	7
May 2011	26	5	6
Jun 2011	26	4	5
Jul 2011	22	2	5
Aug 2011	19	3	3
Sep 2011	15	4	6
Oct 2011	30	5	8
Nov 2011	27	2	9
Dec 2011	22	3	4
Jan 2012	40	24	17
Feb 2012	22	20	17
Mar 2012	40	5	5
Apr 2012	41	2	7
May 2012	42	1	5
Jun 2012	33	0	2
Jul 2012	27	3	5
Aug 2012	18	2	2
Sep 2012	37	2	5
Oct 2012	34	2	7
Nov 2012	33	2	5
Dec 2012	20	4	6
Jan 2013	52	2	5
Feb 2013	34	1	2
Mar 2013	38	8	12
Apr 2013	34	2	6
May 2013	21	0	1
Jun 2013	14	1	0
Jul 2013	19	1	3
Aug 2013	22	1	1
Sep 2013	19	4	4
Oct 2013	33	5	11
Nov 2013	22	3	5
Dec 2013	13	3	3
Jan 2014	19	2	4
Feb 2014	16	3	5
Mar 2014	23	0	4
Apr 2014	13	2	2
May 2014	19	0	0
Jun 2014	27	1	1
Jul 2014	18	0	4
Aug 2014	25	1	1
Sep 2014	19	1	1
Oct 2014	25	6	9
Nov 2014	37	2	2
Dec 2014	19	1	3
Jan 2015	21	8	7
Feb 2015	20	1	2
Mar 2015	24	5	4
Apr 2015	28	2	3
May 2015	22	1	7
Jun 2015	30	2	4
Jul 2015	27	0	2
Aug 2015	13	1	4
Sep 2015	32	1	3
Oct 2015	17	3	4
Nov 2015	18	3	4
Dec 2015	27	2	1
Jan 2016	35	1	3
Feb 2016	20	0	0
Mar 2016	26	1	3
Apr 2016	12	1	2
May 2016	18	1	1
Jun 2016	20	0	2
Jul 2016	11	1	2
Aug 2016	23	2	6
Sep 2016	22	2	3
Oct 2016	31	0	0
Nov 2016	55	2	3
Dec 2016	33	0	7
Jan 2017	9	0	1
Feb 2017	20	0	2
Mar 2017	14	1	2
Apr 2017	19	1	1
May 2017	10	0	1
Jun 2017	19	5	3
Jul 2017	31	2	3
Aug 2017	48	1	0
Sep 2017	106	4	2
Oct 2017	74	3	4
Nov 2017	45	5	3
Dec 2017	38	2	0
Jan 2018	52	2	2
Feb 2018	52	0	0
Mar 2018	42	1	0
Apr 2018	55	2	1
May 2018	36	1	1
Jun 2018	28	3	2
Jul 2018	25	1	2
Aug 2018	47	1	1
Sep 2018	69	1	4
Oct 2018	63	1	0
Nov 2018	67	3	2
Dec 2018	65	1	0
Jan 2019	58	1	2
Feb 2019	41	0	0
Mar 2019	34	2	2
Apr 2019	55	1	0
May 2019	21	0	2
Jun 2019	22	2	2
Jul 2019	25	1	2
Aug 2019	43	2	3
Sep 2019	53	6	3
Oct 2019	53	4	1
Nov 2019	35	2	1
Dec 2019	44	3	3
Jan 2020	10	0	0
Feb 2020	16	2	0
Mar 2020	24	1	3
Apr 2020	17	1	0
May 2020	45	3	3
Jun 2020	30	0	0
Jul 2020	101	4	1
Aug 2020	91	2	3
Sep 2020	129	6	5
Oct 2020	102	1	0
Nov 2020	104	3	0
Dec 2020	72	2	2
Jan 2021	89	3	0
Feb 2021	75	0	3
Mar 2021	62	11	1
Apr 2021	40	4	1
May 2021	24	8	2
Jun 2021	1	1	1
Jul 2021	6	4	0
Aug 2021	2	2	0
Sep 2021	7	5	2
Oct 2021	46	5	3
Nov 2021	61	3	4
Dec 2021	49	2	0
Jan 2022	42	2	1
Feb 2022	54	4	1
Mar 2022	51	3	1
Apr 2022	68	5	0
May 2022	103	6	2
Jun 2022	87	2	1
Jul 2022	59	4	0
Aug 2022	87	8	2
Sep 2022	91	7	0
Oct 2022	122	6	1
Nov 2022	57	8	1
Dec 2022	66	5	0
Jan 2023	75	6	0
Feb 2023	96	4	2
Mar 2023	32	2	2
Apr 2023	31	2	1
May 2023	123	2	1
Jun 2023	44	1	0
Jul 2023	58	4	0
Aug 2023	56	6	1
Sep 2023	36	8	1
Oct 2023	63	11	0
Nov 2023	86	8	0
Dec 2023	106	12	0
Jan 2024	46	2	1
Feb 2024	68	6	4
Mar 2024	128	24	5
Total	7153	671	724

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