Table 6.

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

Baseline Variable	Adjusted Models
	Class 1 Versus Class 3			Class 2 Versus Class 3
	RRR	95% CI	p Value	RRR	95% CI	p Value
Memory composite	0.87	0.76–0.99	.03	0.78	0.69–0.87	.000
Reasoning composite	1.08	0.95–1.25	.23	1.09	0.96–1.24	.17
Speed of processing composite	0.87	0.78–0.98	.02	0.96	0.86–1.06	.39
Age categories (years)
65–74 (reference)	1.00	—	—	1.00	—	—
75–84	1.83	1.07–3.15	.03	1.26	0.78–2.02	.35
85+	0.44	0.09–2.19	.31	0.47	0.15–1.46	.19
Educational attainment
No high school degree (reference)	1.00	—	—	1.00	—	—
High school degree	1.34	0.47–3.95	.57	1.93	0.87–4.27	.11
College degree	2.70	0.98–7.44	.05	2.36	1.09–5.13	.03
Graduate degree	3.34	1.06–10.46	.04	2.84	1.12–7.24	.03

Notes: RRR = relative risk ratio; CI = confidence interval. Class 1 is the “HVLT” class, Class 2 the “AVLT” class, and Class 3 the “low-level response” class. Models adjusted for all other variables in the table, plus gender, race, and baseline Mini-Mental State Examination score.