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Table 2 Comparison of STAD assessment results according to dementia incidence in all participants

From: Development and validation of new screening tool for predicting dementia risk in community-dwelling older Japanese adults

  Overall
n = 4298
Participants without dementia incidence
n = 4205
Participants with dementia incidence
n = 93
P-values*
STAD items
 (1) Do you forget where you have left things more than you used to? (yes, %) 2463 (57.5) 2392 (56.9) 71 (76.3) < 0.001
 (2) Do other people find you forgetful? (yes, %) 840 (19.5) 808 (19.2) 32 (34.4) < 0.001
 (3) Do you find yourself not knowing today’s date? (yes, %) 1038 (24.2) 997 (23.7) 41 (44.1) < 0.001
 (4) Have you dropped many of your activities and interests? (yes, %) 1022 (23.8) 987 (23.5) 35 (37.6) 0.002
 (5) Do you often get bored? (yes, %) 620 (14.4) 599 (14.2) 21 (22.6) 0.024
 (6) Do you feel helpless? (yes, %) 1207 (28.1) 1163 (27.7) 44 (47.3) < 0.001
 (7) Do you prefer to stay at home, rather than going out and doing new things? (yes, %) 1420 (33.0) 1381 (32.8) 39 (41.9) 0.065
 (8) In the last 2 weeks have you felt tired without a reason? (yes, %) 541 (12.6) 517 (12.3) 24 (25.8) < 0.001
 (9) Do you go out less frequently compared to last year? (yes, %) 606 (14.1) 583 (13.9) 23 (24.7) 0.003
 (10) Do you engage in low levels of physical exercise aimed at health at least five times a week? (no, %) 2707 (63.0) 2640 (62.8) 67 (72.0) 0.067
 (11) Do you use maps to go to unfamiliar places? (no, %) 1575 (36.6) 1521 (36.2) 54 (58.1) < 0.001
 (12) Do you engage in cognitive stimulation such as board games and learning? (no, %) 2163 (50.3) 2105 (50.1) 58 (62.4) 0.019
 STAD total score (points) 3.8 ± 2.2 3.7 ± 2.2 5.5 ± 2.3 < 0.001
  1. The data are expressed as the mean ± standard deviation or numbers (%)
  2. STAD simplified telephone assessment for dementia risk
  3. *Based on Student’s t-test for continuous variables and χ2 tests for categorical variables