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Table 3 Component loadings of socio-economic and demographic factors in the Hamilton, Ontario, Canada (2004)

From: Inequalities in neighbourhood socioeconomic characteristics: potential evidence-base for neighbourhood health planning

Variable Principal component Uniqueness
  1 2 3 4 5  
Persons with <grade 9 education 0.575 0.176 0.659 -0.128 0.292 0.103
New immigrants 0.583 0.164 -0.337 0.539 0.243 0.171
Visible minority 0.643 0.419 -0.236 0.361 0.159 0.200
Aboriginal percentage 0.246 0.333 -0.165 -0.788 0.238 0.123
Median income -0.790 -0.200 -0.125 0.378 -0.203 0.136
Government transfer income 0.847 -0.153 0.372 -0.053 0.017 0.118
Low income 0.941 0.110 0.018 -0.026 -0.144 0.081
Non-official language pop 0.675 0.255 0.197 0.342 0.424 0.143
Unemployment rate 0.721 0.103 0.165 0.036 0.064 0.437
Average dwelling value -0.874 0.044 -0.103 0.042 0.203 0.181
Owner-occupied dwellings -0.867 0.099 0.354 -0.096 0.000 0.104
Population under 20 years old -0.324 0.867 0.089 0.045 -0.228 0.082
Population 65 years or older 0.139 -0.861 0.282 0.014 0.217 0.113
Single-parent families 0.759 0.252 0.160 -0.073 -0.437 0.138
Married percent -0.875 0.148 0.190 0.172 0.251 0.084
Percent living alone 0.711 -0.552 -0.337 -0.075 -0.010 0.071
Percent of internal migrants 0.036 0.112 -0.790 -0.280 0.292 0.198
Population density 0.681 -0.113 -0.225 0.101 -0.325 0.357
Eigenvalue 8.30 2.42 1.92 1.47 1.06 -
Percentage of variation explained 46.10 13.42 10.69 8.14 5.88 -
Cumulative % of variation explained 46.10 59.52 70.35 78.35 84.23 -