. Author manuscript; available in PMC: 2019 May 1.

Published in final edited form as: Neuropsychol Dev Cogn B Aging Neuropsychol Cogn. 2017 Mar 23;25(3):378–389. doi: 10.1080/13825585.2017.1306020

Table 5.

Change in perceptual speed in Black and White persons

Racial subgroup	Model Term	Survived		Died
Racial subgroup	Model Term	Coefficient	95% CI	Coefficient	95% CI
Black persons	Intercept	0.391	0.356, 0.426	0.147	0.092, 0.201
	Preterminal time	0.037	0.034, 0.041	0.030	0.027, 0.032
	Change point			4.46	4.19, 4.74
	Terminal Time			0.184	0.171, 0.199
White Persons	Intercept	1.170	1.128, 1.211	0.800	0.709, 0.890
	Preterminal Time	0.037	0.032, 0.041	0.040	0.037, 0.043
	Change point			5.00	4.69, 5.30
	Terminal time			0.292	0.273, 0.311

Note. From mixed-effects change point models adjusted for age and education. CI, credible interval.