Table 3. Principal component analysis of 11 socioeconomic status indicator variables from 2006 Census Profile data only for the census metropolitan area of Guelph.

Principal Component Eigenvalues
Component	Eigenvalue	Difference	Proportion		Cumulative			PCw (%)
PC1	5.334090	3.535230	0.4849		0.4849			61.74
PC2	1.798860	0.292350	0.1635		0.6484			20.82
PC3	1.506500	0.488332	0.1370		0.7854			17.44
C4	1.018170	0.463475	0.0926		0.8780			──
C5	0.554698	0.224526	0.0504		0.9284			──
C6	0.330171	0.156520	0.0300		0.9584			──
C7	0.173651	0.057958	0.0158		0.9742			──
C8	0.115693	0.025609	0.0105		0.9847			──
C9	0.090084	0.034112	0.0082		0.9929			──
C10	0.055972	0.033863	0.0051		0.9980			──
C11	0.022109	──	0.0020		1			──
Indicator Variable Loadings (Eigenvector Correlations)
Variable				PC1		PC2	PC3		Factor Score
Median Family Income ($)				*-0.3639		0.0882	0.2965		-0.1546
Median Single Person Income ($)				**-0.2535		-0.2387	0.5290		-0.1139
Low Income Families, After-tax (%)				0.3690		0.0991	0.0647		0.2597
Low Income Unattached, After-tax (%)				0.1784		0.6239	-0.1382		0.2159
Lone Parent Families (%)				0.4017		0.1023	0.1536		0.2961
Single Mothers (%)				0.3307		0.0151	0.4462		0.2851
Unemployment Rate, 15 years and over (%)				0.2139		0.3373	0.3641		0.2658
Low Education, 15 years and over (%)				0.2076		-0.5391	-0.0063		0.0148
Average Home Value ($)				-0.372		0.2437	0.1220		-0.1577
Average Monthly Rent ($)				0.0005		0.0060	0.4885		0.0868
Managerial Occupation (%)				-0.3706		0.2481	-0.0055		-0.1781