Table 2.

Comparison of the correlation coefficients of two HOUSES indices with other SES measures

	Olmsted County, MN			Jackson County, MO
	Original HOUSES	Modified HOUSES	p Values*	Original HOUSES	Modified HOUSES	p Values*
Parents’ education	0.23	0.26	0.16	0.39	0.42	0.07
Family annual income	0.43	0.49	<0.001	0.52	0.55	0.06
Hollingshead index	0.19	0.22	0.17	0.36	0.38	0.24
Nakao-Treas index	0.24	0.26	0.39	0.39	0.40	0.56

*Each p value represents statistical significance for the difference between the two Spearman correlation coefficients (r1 and r2): (r1: the correlation coefficient between the original HOUSES index and each individual SES measure) and (r2: the correlation coefficient between the modified HOUSES index and each individual SES measure). Lack of statistical significant difference (p>0.05) means no difference between r1 and r2.

MN, Minnesota; MO, Missouri; SES, socioeconomic status.