Table 2.

Principal Components Analysis of socioeconomic controls

Variable	PC1	PC2	PC3
% immigrant population	.909	.032	.122
% poverty	.763	.380	.136
% 5-year residential movement	.787	.246	.214
Child to adult ratio	−.705	.−.131	.420
% Latino/Hispanic	.596	.384	.301
% vacant housing units	.576	.202	−.030
% African American	.087	.765	−.049
% single female headed households	.492	.701	.192
% unemployment	.425	.678	.146
% Asian	.599	−.566	.056
% over 65 years of age	.059	−.234	−.846
Male to female ratio	.183	−.066	.742

Note: N=163. These 3 factors explained 68% of the variance in the set of variables.