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. Author manuscript; available in PMC: 2024 Nov 1.
Published in final edited form as: Speech Commun. 2023 Sep 27;155:102990. doi: 10.1016/j.specom.2023.102990

Table 1.

REGARDS participant data

All (n=1400) Controls (n=702) ICI (n=698)
Age (years) 75.00 (8.68) 74.98 (8.61) 75.01 (8.76)
Sex (M:F) 643:757 323:379 320:378
Region (Non-belt:Belt:Buckle) 553:294:553 297:140:265 256:154:288
Education (< HS:HS:SC:CG+) 444:415:166:375 228:211:81:182 216:204:85:193
Race (W:B) 539:861 270:432 269:429
Animal fluency (words) 14.82 (5.10) 15.72 (5.13) 13.91 (4.91)
Letter F fluency (words) 10.05 (4.22) 10.53 (4.19) 9.57 (4.19)

Abbreviations: B, Black; CG+, college graduate or above; F, female; HS, high school; ICI, incident cognitive impairment; M, male; REGARDS, Reasons for Geographic and Racial Differences in Stroke Study; SC, some college; W, White.

Notes: Variables are shown as mean (standard deviation).