A Brief Report on the Factor Structure of the Cognitive Measures in the HRS/AHEAD Studies

Table 4

Standardized loadings from confirmatory factor analyses.

	Memory		Mental status^a
	IR	DR	S7	BC	DA	NA
One-factor model
Loading	0.78	0.84	0.49	0.20	0.72	0.62
Uniqueness	0.40	0.30	0.76	0.96	0.49	0.62
Two-factor model
Loading	0.90	0.90	0.57	0.28	0.86	0.72
Uniqueness	0.19	0.19	0.67	0.91	0.27	0.48

aUniqueness parameters estimated from thresholds.