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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: J Am Geriatr Soc. 2021 Apr 26;69(8):2185–2194. doi: 10.1111/jgs.17188

Table 1.

Incident Dementia and MCI Sample Characteristics at Study Baseline

Incident Dementia Sample (n=1572) Incident MCI Sample (n=1163)
Age in years, mean (SD) 77.4 (7.32) 76.7 (7.23)
Female Sex, n (%) 974 (62.0%) 743 (63.9%)
Education, n (%)
 <High School 200 (12.7%) 124 (10.7%)
 High School 703 (44.7%) 530 (45.6%)
 >High School 669 (42.6%) 509 (43.8%)
Ever Smoker, n (%) 825 (52.5%) 589 (50.6%)
Baseline CDR category, n (%)
 0 1163 (74.0%) 1163 (100%)
 0.5 409 (26.0%) 0 (0%)
Annual household income, n(%) (n*=1284) (n*=976)
 <$40,000 1000 (78.4%) 748 (76.6%)
 >=$40,000 284 (21.6%) 228 (23.4%)

Note. MCI = Mild Cognitive Impairment; CDR = Clinical Dementia Rating.