Table 1.

Distribution of BIS-Brief Scores and Model Fit Statistics

	Control Group n = 356	FH+ Group n = 302	Patient Group n = 322
Mean	14.87	16.35	21.29
Standard Deviation	3.55	4.27	4.42
95% CI of the mean	14.80 to 15.23	15.87 to 16.84	20.80 to 21.34
Skewness	.33	.33	-.15
Kurtosis	.04	-.12	-.31
p-value*	0.05	0.06	0.24
M2* (4)	10.66	5.75	6.04
M2* (4) p-value	0.03	0.20	0.20
RMSEA	0.07	0.04	0.04
90% CI of RMSEA	0.02 to 0.12	0.0 to 0.1	0.0 to 0.1
Tucker-Lewis Index	0.87	0.93	0.88
Comparative Fit Index	0.96	0.98	0.96

Note. RMSEA = root mean square error of approximation.

^*p-value computed using the skewness and kurtosis test for normality (Royston, 1991).