Ecological analyses of the associations between injury risk and socioeconomic status, geography and Aboriginal ethnicity in British Columbia, Canada

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Table 4 Disparities of injury risk predicted by the best-fitting multivariable regression model

Variable	Total population	Off-reserve Aboriginal					On-reserve Aboriginal
Variable	Mean*	Mean*	Difference^†	SRR change^‡	L95CL^‡	U95CL^‡	Mean*	Difference^†	SRR change^‡	L95CL^‡	U95CL^‡
Need major repairs	0.078	0.153	0.075	0.133	0.05	0.22	0.367	0.289	0.511	0.19	0.83
Rural	0.143	0.232	0.089	0.084	0.06	0.11	0.291	0.148	0.141	0.10	0.19
Occupation risk	0.996	1.178	0.181	0.065	0.01	0.12	1.135	0.139	0.050	0.01	0.09
Aboriginal	0.046	1.000	0.954	1.115	0.87	1.36	1.000	0.954	1.115	0.87	1.36
Total disparity (sum)				1.396					1.817

* Population-weighted mean of the x-variable, 2001 and 2006 Census, for the specified population group
^†Difference between mean of the specified population group and mean of the total population
^‡Predicted absolute change in standardized relative risk of injury (calculated as B x difference), where B is the regression coefficient in the best-fitting multivariable model