Table 4.

ANOVA predicting FSIQ scores

Source	SS	df	F	Partial η2	p-Value
Covariate
Site	423.90	4	0.917	0.016	0.46
Age	24.52	1	0.212	0.001	0.65
Sex	343.42	1	2.972	0.013	0.09
Years of education	267.65	1	2.316	0.010	0.13
SES	1,442.20	1	12.481	0.051	<0.001
Age*site	485.77	4	1.051	0.018	0.38
Sex*site	380.53	4	0.823	0.014	0.51
Education*site	1,578.24	4	3.415	0.056	0.01
SES*site	282.03	4	0.610	0.011	0.66
Error	26,575	230
Total	2,956,596	255

Abbreviations: df, degrees of freedom; SES, socioeconomic status from the WAMI; SS, type III sum of squares.

Adjusted R ² = 0.23.