Skip to main content

Table 1 Baseline characteristics according to the incidence of dementia in all participants

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

  Overall
n = 4,298
Participants without dementia incidence
n = 4205
Participants with dementia incidence
n = 93
P-value*
Age (years) 71.9 ± 5.4 71.8 ± 5.3 76.9 ± 6.1 < 0.001
Sex (female, %) 2139 (49.8) 2082 (49.5) 57 (61.3) 0.025
Education (years) 11.4 ± 2.5 11.4 ± 2.5 10.5 ± 2.7 < 0.001
Hypertension (n, %) 2000 (46.5) 1956 (46.5) 44 (47.3) 0.879
Heart disease (n, %) 723 (16.8) 700 (16.6) 23 (24.7) 0.039
Diabetes mellitus (n, %) 582 (13.5) 568 (13.5) 14 (15.1) 0.666
Hyperlipidemia (n, %) 1769 (41.2) 1736 (41.3) 33 (35.5) 0.261
Drinking habit (n, %) 2003 (46.6) 1966 (46.8) 37 (39.8) 0.183
Smoking habit (n, %) 429 (10.0) 419 (10.0) 10 (10.8) 0.802
Slow gait speed (n, %) 398 (9.3) 373 (8.9) 25 (26.9) < 0.001
Living alone (n, %) 400 (9.3) 388 (9.2) 12 (12.9) 0.228
Physical inactivity (n, %) 1246 (29.0) 1,213 (28.8) 33 (35.5) 0.163
MMSE (score) 26.5 ± 2.4 26.5 ± 2.4 24.9 ± 2.4 < 0.001
  1. The data are expressed as the mean ± standard deviation or numbers (%)
  2. MMSE mini-mental state examination
  3. *Based on Student’s t-test for continuous variables and χ2 tests for categorical variables