. Author manuscript; available in PMC: 2016 Dec 1.

Published in final edited form as: Am J Geriatr Psychiatry. 2015 Jul 30;23(12):1225–1233. doi: 10.1016/j.jagp.2015.07.008

TABLE 3.

Regression Coefficients in the Race-Specific Mixed Effects Regression Model with Cognitive Activity

Time	Variables	Blacks			Whites
		df	b	SE	df	b	95% CI
Baseline	Cognitive Activity (CA)	4969	0.255	0.013	2759	0.278	0.018

Follow-up	Annual Cog. Dec. (CD)	11750	0.072	0.004	6323	0.096	0.008
	Decrease in CD (1 point CA)	11750	0.006	0.002	6323	0.013	0.003

Notes: Adjusted for main effects of age, education, sex, body mass index, number of chronic health conditions, and interaction of time with age, education, and sex