Table 1. Demographic Information for ROS/MAP Samples Used in RNA Sequencing of the Dorsolateral Prefrontal Cortex .

Characteristic	ROS (n = 278)	MAP (n = 230)	ROS/MAP (N = 508)
Age, mean (SEM), y
At enrollment	78.9 (7.1)	84.3 (5.8)	81.3 (7.0)
At death	87.6 (7.2)	89.3 (5.8)	88.4 (6.6)
Education, mean (SEM), y	18.0 (3.2)	14.7 (2.7)	16.5 (3.5)
Female, No. (%)	172 (61.8)	143 (62.2)	315 (62.0)
Male, No. (%)	106 (38.1)	87 (37.8)	193 (38.0)
Clinical diagnosis of AD at death, No. (%)	107 (38.5)	90 (39.1)	197 (38.8)
Pathological diagnosis of AD, No. (%)	162 (58.2)	134 (58.2)	296 (58.2)

Abbreviations: AD, Alzheimer disease; MAP, Rush Memory and Aging Project; ROS, Religious Orders Study.