Intentional injury among the indigenous and total populations in British Columbia, Canada: trends over time and ecological analyses of risk

George, M. Anne; Jin, Andrew; Brussoni, Mariana; Lalonde, Christopher E.; McCormick, Rod

doi:10.1186/s12939-017-0629-4

International Journal for Equity in Health

Table 4 Ecologic analysis of risk of hospitalization due to intentional injury among Health Service Delivery Area population groups in British Columbia, 1999-2008^a. Regression^b statistics from models with one independent (X) variable

From: Intentional injury among the indigenous and total populations in British Columbia, Canada: trends over time and ecological analyses of risk

X Variable	min	max	mean^c	SD^c	N	R²	B^d	SE^e	p^f	SRR change per SD^g	L95CL^h	U95CLⁱ
Census	2001	2006	2003.5	2.5	92	0.000	0.000	0.036	0.999	0.000	−0.181	0.181
Income Per Capita 1000	7.7	36.0	17.1	6.4	92	0.296	−0.111	0.018	0.000	−0.706	−0.934	−0.478
Income Score	45.1	96.5	69.5	12.4	92	0.421	−0.090	0.011	0.000	−1.110	−1.383	−0.837
High School	0.315	0.907	0.650	0.132	92	0.277	−5.558	0.946	0.000	−0.736	−0.985	−0.487
University Degree	0.000	0.364	0.084	0.076	92	0.211	−4.539	0.926	0.000	−0.344	−0.483	−0.204
Population Per Room	0.403	0.812	0.549	0.097	92	0.058	4.035	1.709	0.020	0.392	0.062	0.722
Need Major Repairs	0.050	0.478	0.186	0.116	92	0.616	16.377	1.364	0.000	1.901	1.586	2.216
Labour Force	0.515	0.771	0.664	0.053	92	0.001	−0.841	2.363	0.723	−0.045	−0.295	0.205
Employed	0.380	0.734	0.572	0.083	92	0.209	−9.191	1.888	0.000	−0.765	−1.077	−0.453
Occupation Risk	0.805	1.446	1.111	0.146	92	0.175	2.481	0.568	0.000	0.363	0.198	0.529
Industry Risk	0.687	1.258	1.064	0.108	92	0.134	2.911	0.780	0.000	0.315	0.147	0.482
Occupation Risk Employed	0.350	0.934	0.635	0.126	92	0.029	1.598	0.976	0.105	0.201	−0.043	0.444
Industry Risk Employed	0.299	0.826	0.609	0.113	92	0.003	0.610	1.256	0.628	0.069	−0.212	0.350
Occupation Risk Labour Force	0.510	1.055	0.739	0.124	92	0.144	3.145	0.809	0.000	0.389	0.190	0.588
Industry Risk Labour Force	0.448	0.900	0.708	0.102	92	0.098	3.324	1.062	0.002	0.339	0.124	0.553
Urban	0.000	1.000	0.386	0.416	92	0.189	−0.949	0.207	0.000	−0.394	−0.566	−0.223
Rural	0.000	0.446	0.228	0.153	92	0.191	2.642	0.574	0.000	0.404	0.230	0.578
Indigenous	0.007	1.010	0.676	0.447	92	0.832	4.521	0.214	0.000	2.022	1.832	2.213
North American Indian	0.004	0.992	0.501	0.377	92	0.810	5.655	0.289	0.000	2.132	1.916	2.348

^aThree population groups (total, Indigenous on-reserve and Indigenous off-reserve) divided by 16 HSDAs and 2 time periods (1998–2003 and 2004–2008)
^bThe dependent (Y) variable is SRR of hospitalization due to intentional injury, and regression is weighted by person-years
^cUnweighted mean and standard deviation (SD) of the independent (X) variable
^dB = regression coefficient
^eSE = standard error of the regression coefficient
^fp = probability that B = 0
^gSRR change per SD = BxSD. One SD change in the independent variable is associated with absolute change in the Standardized Relative Risk of injury by this amount. E.g., one SD change in Income Per Capita ($6400) is associated with change in SRR of −0.706 (decrease of 0.706)
^hLower limit of the 95% confidence interval for the SRR change per SD
ⁱUpper limit of the 95% confidence interval for the SRR change per SD

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ISSN: 1475-9276

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