. Author manuscript; available in PMC: 2010 Jul 1.

Published in final edited form as: Schizophr Res. 2009 May 1;112(1-3):136–142. doi: 10.1016/j.schres.2009.04.007

Table 4.

Table shows the results of the within family regression analyses. Proband PAS scores in childhood and late adolescence significantly predicted those of their unaffected siblings. This effect approached significance in the Early Adolescence and General subscales. Effect sizes were small for these results.

Sibling Scores Predicted by their Related Probands¹

PAS Subscale	n	Beta	p-value	R²	Simple R²	Simple Correlation
Childhood	294	0.203	0.0004	0.059	0.041	0.205
Early Adolescence	288	0.129	0.029	0.028	0.017	0.129
Late Adolescence	257	0.222	0.0003	0.07	0.049	0.223
Adulthood	200	-0.034	0.632	0.02	0.001	-0.034
General	293	0.128	0.029	0.037	0.016	0.128

Age, Gender, and Family SES controlled for