Table 5.

Unadjusted Polytomous Logistic Regression Models for Class Membership of Responsiveness to Memory Training

Baseline Variable	Unadjusted Models
	Class 1 Versus Class 3			Class 2 Versus Class 3
	RRR	95% CI	p Value	RRR	95% CI	p Value
Memory composite	1.05	0.96–1.15	.29	0.88	0.81–0.96	.002
Reasoning composite	1.17	1.08–1.27	.000	1.01	0.94–1.08	.82
Speed of processing composite	0.89	0.82–0.97	.01	1.01	0.94–1.08	.83
Age categories (years)
65–74 (reference)	1.00	—	—	1.00	—	—
75–84	1.41	0.89–2.20	.14	1.17	0.79–1.72	.44
85+	0.53	0.15–1.89	.33	0.87	0.37–2.09	.76
Gender, female	1.03	0.62–1.75	.89	0.78	0.51–1.19	.26
Race, Caucasian	2.25	1.29–3.92	.004	1.16	0.77–1.74	.47
Educational attainment
No high school degree (reference)	1.00	—	—	1.00	—	—
High school degree	1.92	0.72–5.14	.19	1.68	0.89–3.15	.11
College degree	4.20	1.69–10.39	.002	1.84	1.01–3.34	.05
Graduate degree	5.69	2.15–15.11	.000	1.87	0.93–3.78	.08
MMSE score	1.18	1.06–1.32	.004	0.98	0.89–1.07	.65

Notes: RRR = relative risk ratio; CI = confidence interval; MMSE = Mini-Mental State Examination. Class 1 is the “HVLT” class, Class 2 the “AVLT” class, and Class 3 the “low-level response” class.