Worker compensation injuries among the Aboriginal population of British Columbia, Canada: incidence, annual trends, and ecological analysis of risk markers, 1987–2010

Table 4 Worker compensation injuries [1], British Columbia, 1987–2010 [2], by Age and Gender

Gender	Age	P-years [3]	Obs [4]	Exp [5]	Rate [6]	95% CI for Rate			SRR [7]	95% CI for SRR
F	15-19	3,091,296	18,913	18,913	61	60	to	62	1.00	0.99	to	1.01
F	20-24	3,215,407	39,379	39,379	122	121	to	124	1.00	0.99	to	1.01
F	25-29	3,478,049	42,537	42,537	122	121	to	123	1.00	0.99	to	1.01
F	30-34	3,702,923	45,675	45,675	123	122	to	124	1.00	0.99	to	1.01
F	35-39	3,861,158	50,660	50,660	131	130	to	132	1.00	0.99	to	1.01
F	40-44	3,830,469	53,141	53,141	139	138	to	140	1.00	0.99	to	1.01
F	45-49	3,525,752	50,340	50,340	143	142	to	144	1.00	0.99	to	1.01
F	50-54	3,024,714	40,801	40,801	135	134	to	136	1.00	0.99	to	1.01
F	55-59	2,558,851	26,963	26,963	105	104	to	107	1.00	0.99	to	1.01
F	60-64	2,186,965	11,050	11,050	51	50	to	51	1.00	0.98	to	1.02
F	65-69	1,912,893	1,279	1,279	7	6	to	7	1.00	0.95	to	1.06
F	70-74	1,670,886	225	225	1	1	to	2	1.00	0.88	to	1.14
M	15-19	3,256,059	51,250	51,250	157	156	to	159	1.00	0.99	to	1.01
M	20-24	3,186,968	137,742	137,742	432	430	to	434	1.00	0.99	to	1.01
M	25-29	3,377,301	154,893	154,893	459	456	to	461	1.00	1.00	to	1.00
M	30-34	3,611,964	155,457	155,457	430	428	to	432	1.00	1.00	to	1.00
M	35-39	3,797,595	142,295	142,295	375	373	to	377	1.00	0.99	to	1.01
M	40-44	3,806,541	122,056	122,056	321	319	to	322	1.00	0.99	to	1.01
M	45-49	3,542,795	97,188	97,188	274	273	to	276	1.00	0.99	to	1.01
M	50-54	3,056,634	73,977	73,977	242	240	to	244	1.00	0.99	to	1.01
M	55-59	2,591,967	51,784	51,784	200	198	to	201	1.00	0.99	to	1.01
M	60-64	2,179,698	25,923	25,923	119	117	to	120	1.00	0.99	to	1.01
M	65-69	1,821,029	4,182	4,182	23	22	to	24	1.00	0.97	to	1.03
M	70-74	1,479,753	1,024	1,024	7	7	to	7	1.00	0.94	to	1.06

Notes:
1. “Injury” defined as any diagnosis in the range ICD9:800–999.
2. Injuries occurring during the observation period 1987-Jan-01 to 2010-Dec-31.
3. Person-years is the sum of annual population counts during the observation period.
4. Observed number of injuries.
5. Expected number, indirectly standardized, based on age, gender and HSDA-specific rates in total population of BC.
6. Crude Rate per 10,000 person-years.
7. Standardized Relative Risk (compared to the total population of BC) = Observed/Expected.

ISSN: 1471-2458